forked from Minki/linux
b6eb7102ad
180 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Stefan Tatschner
|
2e419aec3b |
iio:pressure:bmp280: Read calibration data in probe
This patch affects BME280 and BMP280. The readout of the calibration data is moved to the probe function. Each sensor data access triggered reading the full calibration data before this patch. According to the datasheet, Section 4.4.2., the calibration data is stored in non-volatile memory. Since the calibration data does not change, and cannot be changed by the user, we can reduce bus traffic by reading the calibration data once. Additionally, proper organization of the data types enables removing some odd casts in the compensation formulas. Signed-off-by: Stefan Tatschner <stefan.tatschner@gmail.com> Tested-by: Andreas Klinger <ak@it-klinger.de> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
||
Linus Torvalds
|
449fcf3ab0 |
Staging/IIO patches for 4.15-rc1
Here is the "big" staging and IIO driver update for 4.15-rc1. Lots and lots of little changes, almost all minor code cleanups as the Outreachy application process happened during this development cycle. Also happened was a lot of IIO driver activity, and the typec USB code moving out of staging to drivers/usb (same commits are in the USB tree on a persistent branch to not cause merge issues.) Overall, it's a wash, I think we added a few hundred more lines than removed, but really only a few thousand were modified at all. All of these have been in linux-next for a while. There might be a merge issue with Al's vfs tree in the pi433 driver (take his changes, they are always better), and the media tree with some of the odd atomisp cleanups (take the media tree's version). Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCWgnFrg8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ymxbwCgtNlBkqD2JJYpLRKvI/C4w1vzZsEAnA2THRkt g3ioPBqmqC/2DSbldr2o =/ebw -----END PGP SIGNATURE----- Merge tag 'staging-4.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging Pull staging and IIO updates from Greg KH: "Here is the "big" staging and IIO driver update for 4.15-rc1. Lots and lots of little changes, almost all minor code cleanups as the Outreachy application process happened during this development cycle. Also happened was a lot of IIO driver activity, and the typec USB code moving out of staging to drivers/usb (same commits are in the USB tree on a persistent branch to not cause merge issues.) Overall, it's a wash, I think we added a few hundred more lines than removed, but really only a few thousand were modified at all. All of these have been in linux-next for a while. There might be a merge issue with Al's vfs tree in the pi433 driver (take his changes, they are always better), and the media tree with some of the odd atomisp cleanups (take the media tree's version)" * tag 'staging-4.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (507 commits) staging: lustre: add SPDX identifiers to all lustre files staging: greybus: Remove redundant license text staging: greybus: add SPDX identifiers to all greybus driver files staging: ccree: simplify ioread/iowrite staging: ccree: simplify registers access staging: ccree: simplify error handling logic staging: ccree: remove dead code staging: ccree: handle limiting of DMA masks staging: ccree: copy IV to DMAable memory staging: fbtft: remove redundant initialization of buf staging: sm750fb: Fix parameter mistake in poke32 staging: wilc1000: Fix bssid buffer offset in Txq staging: fbtft: fb_ssd1331: fix mirrored display staging: android: Fix checkpatch.pl error staging: greybus: loopback: convert loopback to use generic async operations staging: greybus: operation: add private data with get/set accessors staging: greybus: loopback: Fix iteration count on async path staging: greybus: loopback: Hold per-connection mutex across operations staging: greybus/loopback: use ktime_get() for time intervals staging: fsl-dpaa2/eth: Extra headroom in RX buffers ... |
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Greg Kroah-Hartman
|
b24413180f |
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
Many source files in the tree are missing licensing information, which makes it harder for compliance tools to determine the correct license. By default all files without license information are under the default license of the kernel, which is GPL version 2. Update the files which contain no license information with the 'GPL-2.0' SPDX license identifier. The SPDX identifier is a legally binding shorthand, which can be used instead of the full boiler plate text. This patch is based on work done by Thomas Gleixner and Kate Stewart and Philippe Ombredanne. How this work was done: Patches were generated and checked against linux-4.14-rc6 for a subset of the use cases: - file had no licensing information it it. - file was a */uapi/* one with no licensing information in it, - file was a */uapi/* one with existing licensing information, Further patches will be generated in subsequent months to fix up cases where non-standard license headers were used, and references to license had to be inferred by heuristics based on keywords. The analysis to determine which SPDX License Identifier to be applied to a file was done in a spreadsheet of side by side results from of the output of two independent scanners (ScanCode & Windriver) producing SPDX tag:value files created by Philippe Ombredanne. Philippe prepared the base worksheet, and did an initial spot review of a few 1000 files. The 4.13 kernel was the starting point of the analysis with 60,537 files assessed. Kate Stewart did a file by file comparison of the scanner results in the spreadsheet to determine which SPDX license identifier(s) to be applied to the file. She confirmed any determination that was not immediately clear with lawyers working with the Linux Foundation. Criteria used to select files for SPDX license identifier tagging was: - Files considered eligible had to be source code files. - Make and config files were included as candidates if they contained >5 lines of source - File already had some variant of a license header in it (even if <5 lines). All documentation files were explicitly excluded. The following heuristics were used to determine which SPDX license identifiers to apply. - when both scanners couldn't find any license traces, file was considered to have no license information in it, and the top level COPYING file license applied. For non */uapi/* files that summary was: SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 11139 and resulted in the first patch in this series. If that file was a */uapi/* path one, it was "GPL-2.0 WITH Linux-syscall-note" otherwise it was "GPL-2.0". Results of that was: SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 WITH Linux-syscall-note 930 and resulted in the second patch in this series. - if a file had some form of licensing information in it, and was one of the */uapi/* ones, it was denoted with the Linux-syscall-note if any GPL family license was found in the file or had no licensing in it (per prior point). Results summary: SPDX license identifier # files ---------------------------------------------------|------ GPL-2.0 WITH Linux-syscall-note 270 GPL-2.0+ WITH Linux-syscall-note 169 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) 21 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) 17 LGPL-2.1+ WITH Linux-syscall-note 15 GPL-1.0+ WITH Linux-syscall-note 14 ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) 5 LGPL-2.0+ WITH Linux-syscall-note 4 LGPL-2.1 WITH Linux-syscall-note 3 ((GPL-2.0 WITH Linux-syscall-note) OR MIT) 3 ((GPL-2.0 WITH Linux-syscall-note) AND MIT) 1 and that resulted in the third patch in this series. - when the two scanners agreed on the detected license(s), that became the concluded license(s). - when there was disagreement between the two scanners (one detected a license but the other didn't, or they both detected different licenses) a manual inspection of the file occurred. - In most cases a manual inspection of the information in the file resulted in a clear resolution of the license that should apply (and which scanner probably needed to revisit its heuristics). - When it was not immediately clear, the license identifier was confirmed with lawyers working with the Linux Foundation. - If there was any question as to the appropriate license identifier, the file was flagged for further research and to be revisited later in time. In total, over 70 hours of logged manual review was done on the spreadsheet to determine the SPDX license identifiers to apply to the source files by Kate, Philippe, Thomas and, in some cases, confirmation by lawyers working with the Linux Foundation. Kate also obtained a third independent scan of the 4.13 code base from FOSSology, and compared selected files where the other two scanners disagreed against that SPDX file, to see if there was new insights. The Windriver scanner is based on an older version of FOSSology in part, so they are related. Thomas did random spot checks in about 500 files from the spreadsheets for the uapi headers and agreed with SPDX license identifier in the files he inspected. For the non-uapi files Thomas did random spot checks in about 15000 files. In initial set of patches against 4.14-rc6, 3 files were found to have copy/paste license identifier errors, and have been fixed to reflect the correct identifier. Additionally Philippe spent 10 hours this week doing a detailed manual inspection and review of the 12,461 patched files from the initial patch version early this week with: - a full scancode scan run, collecting the matched texts, detected license ids and scores - reviewing anything where there was a license detected (about 500+ files) to ensure that the applied SPDX license was correct - reviewing anything where there was no detection but the patch license was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied SPDX license was correct This produced a worksheet with 20 files needing minor correction. This worksheet was then exported into 3 different .csv files for the different types of files to be modified. These .csv files were then reviewed by Greg. Thomas wrote a script to parse the csv files and add the proper SPDX tag to the file, in the format that the file expected. This script was further refined by Greg based on the output to detect more types of files automatically and to distinguish between header and source .c files (which need different comment types.) Finally Greg ran the script using the .csv files to generate the patches. Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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|
Greg Kroah-Hartman
|
7706abf5a0 |
Merge 4.14-rc6 into staging-next
We want the IIO and staging driver fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Lorenzo Bianconi
|
a542f9a04d |
iio: st_sensors: split open-drain parameters for irq1 and irq2
Define st_sensor_int_drdy structure in st_sensor_data_ready_irq in order to contain irq line parameters of the device. Moreover separate data-ready open-drain configuration parameters for INT1 and INT2 pins in st_sensor_data_ready_irq data structure. That change will be used to properly support LIS3DHH accel sensor. Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@st.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
|
Lorenzo Bianconi
|
6f66700461 |
iio: pressure: st_pressure: add SPI-3wire support to st_pressure framework
Add SPI Serial Interface Mode (SIM) register information to STM pressure framework Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@st.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
|
Lorenzo Bianconi
|
75d4c6d2e1 |
iio: st_sensors: decouple irq1 configuration parameters from the irq2 ones
Separate data-ready configuration parameters for INT1 and INT2 pins in st_sensor_data_ready_irq data structure. That change will be use to properly support LIS2DW12 accel sensor. Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@st.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
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|
Lorenzo Bianconi
|
e72a060151 |
iio: st_sensors: add register mask for status register
Introduce register mask for data-ready status register since
pressure sensors (e.g. LPS22HB) export just two channels
(BIT(0) and BIT(1)) and BIT(2) is marked reserved while in
st_sensors_new_samples_available() value read from status register
is masked using 0x7.
Moreover do not mask status register using active_scan_mask since
now status value is properly masked and if the result is not zero the
interrupt has to be consumed by the driver. This fix an issue on LPS25H
and LPS331AP where channel definition is swapped respect to status
register.
Furthermore that change allows to properly support new devices
(e.g LIS2DW12) that report just ZYXDA (data-ready) field in status register
to figure out if the interrupt has been generated by the device.
Fixes:
|
||
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Greg Kroah-Hartman
|
1236d6bb6e |
Merge 4.14-rc4 into staging-next
We want the staging/iio fixes in here as well to handle merge issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
||
Geert Uytterhoeven
|
f61dfff2f5 |
iio: pressure: zpa2326: Remove always-true check which confuses gcc
With gcc 4.1.2:
drivers/iio/pressure/zpa2326.c: In function ‘zpa2326_wait_oneshot_completion’:
drivers/iio/pressure/zpa2326.c:868: warning: ‘ret’ may be used uninitialized in this function
When testing for "timeout < 0", timeout is already guaranteed to be
strict negative, so the branch is always taken, and ret is thus always
initialized. But (some version of) gcc is not smart enough to notice.
Remove the check to fix this.
As there is no other code in between assigning the error codes and
returning them, the error codes can be returned immediately, and the
intermediate variable can be dropped.
Drop the "else" to please checkpatch.
Fixes:
|
||
|
Greg Kroah-Hartman
|
069f0e0c06 |
Round one of new device support, features and cleanup for IIO in the 4.15 cycle.
Note there is a misc driver drop in here given we have support
in IIO and the feeling is no one will care.
A large part of this series is a boiler plate removal series avoiding
the need to explicitly provide THIS_MODULE in various locations.
It's very dull but touches all drivers.
New device support
* ad5446
- add ids to support compatible parts DAC081S101, DAC101S101,
DAC121S101.
- add the dac7512 id and drop the misc driver as feeling is no
one is using it (was introduced for a board that is long obsolete)
* mt6577
- add bindings for mt2712 which is fully compatible with other
supported parts.
* st_pressure
- add support for LPS33HW and LPS35HW with bindings (ids mostly).
New features
* ccs811
- Add support for the data ready trigger.
* mma8452
- remove artifical restriction on supporting multiple event types
at the same time.
* tcs3472
- support out of threshold events
Core and tree wide cleanup
* Use macro magic to remove the need to provide THIS_MODULE as part of
struct iio_info or struct iio_trigger_ops. This is similar to
work done in a number of other subsystems (e.g. i2c, spi).
All drivers are fixed and then the fields in these structures are
removed.
This will cause build failures for out of tree drivers and any
new drivers that cross with this work going into the kernel.
Note mostly done with a coccinelle patch, included in the series
on the mailing list but not merged as the fields no longer exist
in the structures so the any hold outs will cause a build failure.
Cleanups
* ads1015
- avoid writing config register when it doesn't change.
- add 10% to conversion wait time as it seems it is sometimes
a little small.
* ade7753
- replace use of core mlock with a local lock. This is part of a
long term effort to make the use of mlock opaque and single
purpose.
* ade7759
- expand the use of buf_lock to cover previous mlock cases. This
is a slightly nicer solution to the same issue as in ade7753.
* cros_ec
- drop an unused variable
* inv_mpu6050
- add a missing break in a switch for consistency - not actual
bug,
- make some local arrays static to save on object code size.
* max5481
- drop manual setting of the spi module owner as handled by the
spi core.
* max5487
- drop manual setting of the spi module owner as handled by the
spi core.
* max9611
- drop explicit setting of the i2c module owner as handled by
the i2c core.
* mcp320x
- speed up reads on single channel devices,
- drop unused of_device_id data elements,
- document the struct mcp320x,
- improve binding docs to reflect restrictions on spi setup and
to make it explicit that the reference regulator is needed.
* mma8452
- symbolic to octal permissions,
- unsigned to unsigned int.
* st_lsm6dsx
- avoid setting odr values multiple times,
- drop config of LIR as it is only ever set to the existing
defaults,
- drop rounding configuration as it only ever matches the defaults.
* ti-ads8688
- drop manual setting of the spi module owner as handled by the
spi core.
* tsl2x7x
- constify the i2c_device_id,
- cleanup limit checks to avoid static checker warnings (and generally
have nicer code).
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Merge tag 'iio-for-4.15a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Jonathan writes:
Round one of new device support, features and cleanup for IIO in the 4.15 cycle.
Note there is a misc driver drop in here given we have support
in IIO and the feeling is no one will care.
A large part of this series is a boiler plate removal series avoiding
the need to explicitly provide THIS_MODULE in various locations.
It's very dull but touches all drivers.
New device support
* ad5446
- add ids to support compatible parts DAC081S101, DAC101S101,
DAC121S101.
- add the dac7512 id and drop the misc driver as feeling is no
one is using it (was introduced for a board that is long obsolete)
* mt6577
- add bindings for mt2712 which is fully compatible with other
supported parts.
* st_pressure
- add support for LPS33HW and LPS35HW with bindings (ids mostly).
New features
* ccs811
- Add support for the data ready trigger.
* mma8452
- remove artifical restriction on supporting multiple event types
at the same time.
* tcs3472
- support out of threshold events
Core and tree wide cleanup
* Use macro magic to remove the need to provide THIS_MODULE as part of
struct iio_info or struct iio_trigger_ops. This is similar to
work done in a number of other subsystems (e.g. i2c, spi).
All drivers are fixed and then the fields in these structures are
removed.
This will cause build failures for out of tree drivers and any
new drivers that cross with this work going into the kernel.
Note mostly done with a coccinelle patch, included in the series
on the mailing list but not merged as the fields no longer exist
in the structures so the any hold outs will cause a build failure.
Cleanups
* ads1015
- avoid writing config register when it doesn't change.
- add 10% to conversion wait time as it seems it is sometimes
a little small.
* ade7753
- replace use of core mlock with a local lock. This is part of a
long term effort to make the use of mlock opaque and single
purpose.
* ade7759
- expand the use of buf_lock to cover previous mlock cases. This
is a slightly nicer solution to the same issue as in ade7753.
* cros_ec
- drop an unused variable
* inv_mpu6050
- add a missing break in a switch for consistency - not actual
bug,
- make some local arrays static to save on object code size.
* max5481
- drop manual setting of the spi module owner as handled by the
spi core.
* max5487
- drop manual setting of the spi module owner as handled by the
spi core.
* max9611
- drop explicit setting of the i2c module owner as handled by
the i2c core.
* mcp320x
- speed up reads on single channel devices,
- drop unused of_device_id data elements,
- document the struct mcp320x,
- improve binding docs to reflect restrictions on spi setup and
to make it explicit that the reference regulator is needed.
* mma8452
- symbolic to octal permissions,
- unsigned to unsigned int.
* st_lsm6dsx
- avoid setting odr values multiple times,
- drop config of LIR as it is only ever set to the existing
defaults,
- drop rounding configuration as it only ever matches the defaults.
* ti-ads8688
- drop manual setting of the spi module owner as handled by the
spi core.
* tsl2x7x
- constify the i2c_device_id,
- cleanup limit checks to avoid static checker warnings (and generally
have nicer code).
|
||
|
Greg Kroah-Hartman
|
b2e312061c |
First round of IIO fixes for the 4.14 cycle
Note this includes fixes from recent merge window. As such the tree
is based on top of a prior staging/staging-next tree.
* iio core
- return and error for a failed read_reg debugfs call rather than
eating the error.
* ad7192
- Use the dedicated reset function in the ad_sigma_delta library
instead of an spi transfer with the data on the stack which
could cause problems with DMA.
* ad7793
- Implement a dedicate reset function in the ad_sigma_delta library
and use it to correctly reset this part.
* bme280
- ctrl_reg write must occur after any register writes
for updates to take effect.
* mcp320x
- negative voltage readout was broken.
- Fix an oops on module unload due to spi_set_drvdata not being called
in probe.
* st_magn
- Fix the data ready line configuration for the lis3mdl. It is not
configurable so the st_magn core was assuming it didn't exist
and so wasn't consuming interrupts resulting in an unhandled
interrupt.
* stm32-adc
- off by one error on max channels checking.
* stm32-timer
- preset should not be buffered - reorganising register writes avoids
this.
- fix a corner case in which write preset goes wrong when a timer is
used first as a trigger then as a counter with preset. Odd case but
you never know.
* ti-ads1015
- Fix setting of comparator polarity by fixing bitfield definition.
* twl4030
- Error path handling fix to cleanup in event of regulator
registration failure.
- Disable the vusb3v1 regulator correctly in error handling
- Don't paper over a regulator enable failure.
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Merge tag 'iio-fixes-for-4.14a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus
Jonathan writes:
First round of IIO fixes for the 4.14 cycle
Note this includes fixes from recent merge window. As such the tree
is based on top of a prior staging/staging-next tree.
* iio core
- return and error for a failed read_reg debugfs call rather than
eating the error.
* ad7192
- Use the dedicated reset function in the ad_sigma_delta library
instead of an spi transfer with the data on the stack which
could cause problems with DMA.
* ad7793
- Implement a dedicate reset function in the ad_sigma_delta library
and use it to correctly reset this part.
* bme280
- ctrl_reg write must occur after any register writes
for updates to take effect.
* mcp320x
- negative voltage readout was broken.
- Fix an oops on module unload due to spi_set_drvdata not being called
in probe.
* st_magn
- Fix the data ready line configuration for the lis3mdl. It is not
configurable so the st_magn core was assuming it didn't exist
and so wasn't consuming interrupts resulting in an unhandled
interrupt.
* stm32-adc
- off by one error on max channels checking.
* stm32-timer
- preset should not be buffered - reorganising register writes avoids
this.
- fix a corner case in which write preset goes wrong when a timer is
used first as a trigger then as a counter with preset. Odd case but
you never know.
* ti-ads1015
- Fix setting of comparator polarity by fixing bitfield definition.
* twl4030
- Error path handling fix to cleanup in event of regulator
registration failure.
- Disable the vusb3v1 regulator correctly in error handling
- Don't paper over a regulator enable failure.
|
||
Colin Parker
|
4b1f0c31f9 |
IIO: BME280: Updates to Humidity readings need ctrl_reg write!
The ctrl_reg register needs to be written after any write to the humidity registers. The value written to the ctrl_reg register does not necessarily need to change, but a write operation must occur. The regmap_update_bits functions will not write to a register if the register value matches the value to be written. This saves unnecessary bus operations. The change in this patch forces a bus write during the chip_config operation by switching to regmap_write_bits. This will fix issues where the Humidity Sensor Oversampling bits are not updated after initialization. Signed-off-by: Colin Parker <colin.parker@aclima.io> Acked-by: Andreas Klinger <ak@it-klinger.de> Cc: <Stable@vger.kernel.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
Paolo Cretaro
|
11d36e6a8e |
iio: cros_ec: Remove unused variable
Fix gcc warning: cros_ec_baro.c:130:25: warning: variable ‘ec_device’ set but not used Signed-off-by: Paolo Cretaro <paolocretaro@gmail.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
|
Lorenzo Bianconi
|
b954d77aa9 |
iio: pressure: add support to LPS33HW and LPS35HW
add support to STMicroelectronics LPS33HW and LPS35HW pressure sensors to st_pressure framework http://www.st.com/resource/en/datasheet/lps33hw.pdf http://www.st.com/resource/en/datasheet/lps35hw.pdf Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@st.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
|
Greg Kroah-Hartman
|
8439a69e72 |
Merge 4.13-rc7 into staging-next
We want the staging and iio fixes in here to handle the merge issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
||
Jonathan Cameron
|
6a15fef2cb |
iio:pressure: drop assign iio_info.driver_module and iio_trigger_ops.owner
The equivalent of both of these are now done via macro magic when the relevant register calls are made. The actual structure elements will shortly go away. Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Reviewed-by: Lars-Peter Clausen <lars@metafoo.de> |
||
|
Greg Kroah-Hartman
|
5e47adb906 |
Second set of IIO new device support, features and cleanup for the 4.14 cycle.
New device support:
* ak8974
- support the AMI306.
* st_magnetometer
- add support for the LIS2MDL with bindings.
* rockchip-saradc
- add binding for rv1108 SoC (no driver change).
* srf08
- add srf02 (i2c only) and srf10 support.
* stm32-timer
- support for the STM32H7 to existing driver.
Features:
* tools
- move over to the tools buildsystem rather than hand rolling.
- add an install section to the build.
* ak8974
- use serial number to add device randomness.
- add AMI306 calibration data output.
* ccs811
- triggered buffer support.
* srf08
- add a device tree table as the old style i2c probing is going away,
- add triggered buffer support
* st32-adc
- add optional st,min-sample-time-nsecs binding to allow control of
sampling against analog circuitry.
* stm32-timer
- add output compare triggers.
* ti-ads1015
- add threshold event support.
* ti-ads7950
- Allow use on ACPI platforms including providing a default reference
voltage as there is no way to obtain this on ACPI currently.
Cleanup and fixes:
* ad7606
- fix an error return code in probe.
* ads1015
- fix incorrect data rate setting update when capture in progress,
- fix wrong scale information for the ADS1115,
- make conversions work when CONFIG_PM is not set,
- make sure we don't get a stale result after a runtime resume by
ensuring we wait long enough,
- avoid returning a false error form the buffer setup callbacks,
- add enough wait time to get the correct conversion,
- remove an unnecessary config register update,
- add a helper to set conversion mode reducing repeated boilerplate,
- use devm_iio_triggered_buffer_setup to simplify error and remove
paths,
- use iio_device_claim_direct_mode instead of opencoding the same.
* ak8974
- mark the INT_CLEAR register as precious to prevent debugfs access.
* apds9300
- constify the i2c_device_id.
* at91-sama5 adc
- add missing Kconfig dependency.
* bma180 accel
- constify the i2c_device_id.
* rockchip_saradc
- explicitly request exclusive reset control as part of the reset rework
on going throughout the kernel.
* st_accel
- fix drdy configuration for a load of accelerometers that only have
the int1 line. Fix is unimportant as presumably no deviec tree actually
used the non existent hardware line.
* st_pressure
- fix drdy configuration for LPS22HB and LPS25H by dropping int2 support
as they don't have this. Fix is unimportant as presumably no device tree
actually used the non existent hardware line.
* stm32-dac
- explicitly request exclusive reset control (part of reset being reworked).
* tsl2583
- constify the i2c_device_id.
* xadc
- coding style fixes.
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Merge tag 'iio-for-4.14b' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Jonathan writes:
Second set of IIO new device support, features and cleanup for the 4.14 cycle.
New device support:
* ak8974
- support the AMI306.
* st_magnetometer
- add support for the LIS2MDL with bindings.
* rockchip-saradc
- add binding for rv1108 SoC (no driver change).
* srf08
- add srf02 (i2c only) and srf10 support.
* stm32-timer
- support for the STM32H7 to existing driver.
Features:
* tools
- move over to the tools buildsystem rather than hand rolling.
- add an install section to the build.
* ak8974
- use serial number to add device randomness.
- add AMI306 calibration data output.
* ccs811
- triggered buffer support.
* srf08
- add a device tree table as the old style i2c probing is going away,
- add triggered buffer support
* st32-adc
- add optional st,min-sample-time-nsecs binding to allow control of
sampling against analog circuitry.
* stm32-timer
- add output compare triggers.
* ti-ads1015
- add threshold event support.
* ti-ads7950
- Allow use on ACPI platforms including providing a default reference
voltage as there is no way to obtain this on ACPI currently.
Cleanup and fixes:
* ad7606
- fix an error return code in probe.
* ads1015
- fix incorrect data rate setting update when capture in progress,
- fix wrong scale information for the ADS1115,
- make conversions work when CONFIG_PM is not set,
- make sure we don't get a stale result after a runtime resume by
ensuring we wait long enough,
- avoid returning a false error form the buffer setup callbacks,
- add enough wait time to get the correct conversion,
- remove an unnecessary config register update,
- add a helper to set conversion mode reducing repeated boilerplate,
- use devm_iio_triggered_buffer_setup to simplify error and remove
paths,
- use iio_device_claim_direct_mode instead of opencoding the same.
* ak8974
- mark the INT_CLEAR register as precious to prevent debugfs access.
* apds9300
- constify the i2c_device_id.
* at91-sama5 adc
- add missing Kconfig dependency.
* bma180 accel
- constify the i2c_device_id.
* rockchip_saradc
- explicitly request exclusive reset control as part of the reset rework
on going throughout the kernel.
* st_accel
- fix drdy configuration for a load of accelerometers that only have
the int1 line. Fix is unimportant as presumably no deviec tree actually
used the non existent hardware line.
* st_pressure
- fix drdy configuration for LPS22HB and LPS25H by dropping int2 support
as they don't have this. Fix is unimportant as presumably no device tree
actually used the non existent hardware line.
* stm32-dac
- explicitly request exclusive reset control (part of reset being reworked).
* tsl2583
- constify the i2c_device_id.
* xadc
- coding style fixes.
|
||
|
Greg Kroah-Hartman
|
8652892ed4 |
Merge 4.13-rc5 into staging-next
We need it here for iio fixes. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
||
|
Lorenzo Bianconi
|
ef0bc2e839 |
iio: pressure: st_pressure: fix drdy configuration for LPS22HB and LPS25H
Remove int2 configuration parameter for LPS22HB and LPS25H since these devices export just int1 as data-ready line Fixes: |
||
Andreas Klinger
|
eb92b4183d |
iio: bmp280: properly initialize device for humidity reading
If the device is not initialized at least once it happens that the humidity reading is skipped, which means the special value 0x8000 is delivered. For omitting this case the oversampling of the humidity must be set before the oversampling of the temperature und pressure is set as written in the datasheet of the BME280. Furthermore proper error detection is added in case a skipped value is read from the device. This is done also for pressure and temperature reading. Especially it don't make sense to compensate this value and treat it as regular value. Signed-off-by: Andreas Klinger <ak@it-klinger.de> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
|
Greg Kroah-Hartman
|
055655a9f0 |
First set of IIO fixes for the 4.13 cycle.
* ad2s1210 - Fix negative angular velocity reads (identified by a gcc 7 warning) * aspeed-adc - Wait for initialization sequence to finish before enabling channels. Without it no channels work. * axp288 - Revert a patch that dropped some bogus register mods. No one is entirely sure why but it breaks charging on some devices. - Fix GPADC pin read returning 0. Turns out a small sleep is needed. * bmc150 - Make sure device is restored to normal state after suspend / resume cycle. Otherwise, simple sysfs reads are broken. * tsl2563 - fix wrong event code. * st-accel - add spi 3-wire support. Needed to fix the lsm303agr accelerometer which only had 3 wires in all cases. Side effect is to enable optional 3-wire support for other devices. * st-pressure - disable multiread by default for LPS22HB (only effects SPI) * sun4i-gpadc-iio - fix unbalanced irq enable / disable * vf610 - Fix VALT slection for REFSEL bits - ensures we are using the right reference pins. -----BEGIN PGP SIGNATURE----- iQJFBAABCAAvFiEEbilms4eEBlKRJoGxVIU0mcT0FogFAll0lYgRHGppYzIzQGtl cm5lbC5vcmcACgkQVIU0mcT0FoipzRAAk7wO9hvfl8UwgS6FTLVwQQHjP6MQSZ51 USP2YN0hkBgDLKPQ2PbTt6t5jwboYPhOsd1n6iHWuAkje+W6Ie4JlXJBux/Gp9Wb GuZLLdFG+3Z1ZYcdDWRKs3u95vdku/5hFg63bxloPcpwkLzb82ykyQ4i9BjbGfv8 jrig+l3eghkGp1kl1ChGdeegTcHAVIS/lPm8Ls0BwpWM30tW2Ip4XSkkm+T6IHvT 8gPr1JMEJ5WaKEpDWKmitZQAr8jLAZ0dp9iLGh9qa2o0+OtX8gMYIas0bMHRR+UG 3EM0wWaaeSaOuqYs8ZnqUQE2RcqP6plZWRmLR98rFLrAXPATX/HGMtZ+JQpKwEKm 1H3XZAovwcppJ8X+XI7z6dZnpTCmQwwILYBpWvM/WWQCk2HZLZkFPOlkQyWCI4al 3OhV+6o3XIl/M8aHepcRh3tpwYFDToNhLpo85EC6H7YtwaReY8tfXqNtlO8MMIKm 1ZNVcA6NT8sdFwvyGtqg4yRIcQbx4Uarp11GgW5SSq13EgJ1LHEYC3lFrfn36pes D0oa01pA8hT6e7dPgqmFg6+J2XdWn8R1NVLRn+z+hjimr/BJlsxaZtk1JEJyS/ul qJS8UIEiwELUuze31uuz4QJJQHnPxuHlvM8EIf2c6vxg+l1CeMthXv7Hc9ht1vKg W/xgABUp/EY= =BApO -----END PGP SIGNATURE----- Merge tag 'iio-fixes-for-4.13a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus Jonathan writes: First set of IIO fixes for the 4.13 cycle. * ad2s1210 - Fix negative angular velocity reads (identified by a gcc 7 warning) * aspeed-adc - Wait for initialization sequence to finish before enabling channels. Without it no channels work. * axp288 - Revert a patch that dropped some bogus register mods. No one is entirely sure why but it breaks charging on some devices. - Fix GPADC pin read returning 0. Turns out a small sleep is needed. * bmc150 - Make sure device is restored to normal state after suspend / resume cycle. Otherwise, simple sysfs reads are broken. * tsl2563 - fix wrong event code. * st-accel - add spi 3-wire support. Needed to fix the lsm303agr accelerometer which only had 3 wires in all cases. Side effect is to enable optional 3-wire support for other devices. * st-pressure - disable multiread by default for LPS22HB (only effects SPI) * sun4i-gpadc-iio - fix unbalanced irq enable / disable * vf610 - Fix VALT slection for REFSEL bits - ensures we are using the right reference pins. |
||
Joe Perches
|
eed3089fb2 |
iio: pressure: zpa2326: Add newlines to logging macros
Add newlines to the macro definitions and use a more common style. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org> |
||
|
Lorenzo Bianconi
|
2ff59bf39b |
iio: pressure: st_pressure_spi: add OF capability to st_pressure_spi
Add device tree support for LPS22HB, LPS25H, LPS331AP, LPS001WP pressure sensors Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@st.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org> |
||
Manivannan Sadhasivam
|
1813c71317 |
iio: pressure: ms5637: Add OF match table
Add of_match_table for Measurement-Specialties MS5637, MS5805, MS5837 and MS8607 pressure & temperature sensor Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org> |
||
|
Lorenzo Bianconi
|
250bbbdbed |
iio: common: st_sensors: move st_sensors_of_i2c_probe() in common code
Move st_sensors_of_i2c_probe() in st_sensors_core and rename it in st_sensors_of_name_probe(). That change is necessary to add device-tree support in spi code otherwise the rest of the autodetection will fail since spi->modalias (and indio_dev->name) will be set using compatible string value that differs from standard sensor name Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@st.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org> |
||
|
Lorenzo Bianconi
|
add6e6ab3e |
iio: pressure: st_pressure_core: disable multiread by default for LPS22HB
Set multiread variable to false for LPS22HB pressure sensor since
it is already enabled in CTRL_REG2. Previous configuration does not
cause any issue in I2C communication since SUB Msb has no meaning
whereas it breaks register address in SPI communication
Fixes:
|
||
Nicholas Mc Guire
|
e7215fe4d5 |
iio: pressure: zpa2326: report interrupted case as failure
If the timeout-case prints a warning message then probably the interrupted
case should also. Further, wait_for_completion_interruptible_timeout()
returns long not int.
Fixes: commit
|
||
Shrirang Bagul
|
7383d44b84 |
iio: st_pressure: st_accel: Initialise sensor platform data properly
This patch fixes the sensor platform data initialisation for st_pressure and st_accel device drivers. Without this patch, the driver fails to register the sensors when the user removes and re-loads the driver. 1. Unload the kernel modules for st_pressure $ sudo rmmod st_pressure_i2c $ sudo rmmod st_pressure 2. Re-load the driver $ sudo insmod st_pressure $ sudo insmod st_pressure_i2c Signed-off-by: Jonathan Cameron <jic23@kernel.org> Acked-by: Linus Walleij <linus.walleij@linaro.org> |
||
Peter Meerwald-Stadler
|
9a043b0bf2 |
iio: pressure: Fix name of BME280 part in Kconfig
Bosch BME280 is a combined pressure and humidity sensor Signed-off-by: Peter Meerwald-Stadler <pmeerw@pmeerw.net> Signed-off-by: Jonathan Cameron <jic23@kernel.org> |
||
|
Greg Kroah-Hartman
|
df47c0a638 |
Fifth set of IIO fixes for the 4.11 cycle.
As these are rather late in the cycle, they may sneak over into 4.12. There is a fix for a regression caused by another fix (hid sensors hardware seems to vary a lot in how various corner cases are handled). * ad7303 - fix channel description. Numeric values were being passed as characters presumably leading to garbage from the userspace interface. * as3935 - the write data macro was wrong so fix it. * bmp280 - incorrect handling of negative values as being unsigned broke humidity calculation. * hid-sensor - Restore the poll and hysteresis values after resume as some hardware doesn't do it. * stm32-trigger - buglet in reading the sampling frequency -----BEGIN PGP SIGNATURE----- iQJFBAABCAAvFiEEbilms4eEBlKRJoGxVIU0mcT0FogFAljw8ScRHGppYzIzQGtl cm5lbC5vcmcACgkQVIU0mcT0FojZvBAAh8K9e+3ObpS6/0wj26/XsakiFn4v2ah0 xKUnafxAVVxU3AU01IJ3CtNdIMyqMwpnB+PvnpgDzZw749QrYKPsBIzheK64eabe fzA34X5MWGLwUdOXpfEB0xvsylWjJrqsf1rahgZjiUKkPeZe9EwzPM/fP1sEl5gu p+vfSMckboFaKheoQwnWMUTBp0HK+nbFpcSBzljX68u+epiXpDGrjuZC8NJ3JuBn Bloz9AhDliIn477H7mIUTXBbt3ixLIDiJ7haQuTNlagosPoUtCBpwY2O9mZ7VRVs wM62h7/F170077ReQJRjlfck+7uHoIgDeS46w5UYTzA1HJLxs+veO5xv3VOtHIUg BZ+mibQyIUBrFeyYDVbeUpBTffiU6rA+yiM4WFwUFabl7t7rlG0NhLEx7OIQcFMm l8u/5JUoJcoykaO8c9Jx5XtrgkXq+rCWVAmhjHqUDAlvsMa6pJWEyqgaVcQeIbdw ns9ppJRlOmEst7lMab9TI7BJp3oCIH6uRmctbme42Rw8XgDFdltxqkxmjB8d+cDC Q0INhNJN1jRgz6rT6lkxVhAYKtaP5T8qZeliT4MO1E59ggOVSSf8zuhjrEMUK397 Tu/k7fmATtiKSG+blwYZVRC3+ixh/oKZsvfwZ4O+mFJyhQ616nKMYAywoaZcM8WT Z1ABipUDwsE= =H5KS -----END PGP SIGNATURE----- Merge tag 'iio-fixes-for-4.11e' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next Jonathan writes: Fifth set of IIO fixes for the 4.11 cycle. As these are rather late in the cycle, they may sneak over into 4.12. There is a fix for a regression caused by another fix (hid sensors hardware seems to vary a lot in how various corner cases are handled). * ad7303 - fix channel description. Numeric values were being passed as characters presumably leading to garbage from the userspace interface. * as3935 - the write data macro was wrong so fix it. * bmp280 - incorrect handling of negative values as being unsigned broke humidity calculation. * hid-sensor - Restore the poll and hysteresis values after resume as some hardware doesn't do it. * stm32-trigger - buglet in reading the sampling frequency |
||
|
Andreas Klinger
|
ed3730c435 |
IIO: bmp280-core.c: fix error in humidity calculation
While calculating the compensation of the humidity there are negative values interpreted as unsigned because of unsigned variables used. These values as well as the constants need to be casted to signed as indicated by the documentation of the sensor. Signed-off-by: Andreas Klinger <ak@it-klinger.de> Acked-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Matt Ranostay <matt.ranostay@konsulko.com> Cc: <Stable@vger.kernel.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org> |
||
|
Greg Kroah-Hartman
|
f78a8236c6 |
Merge 4.11-rc6 into staging-next
We want the staging and iio fixes in here to handle merging easier. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
||
|
Shrirang Bagul
|
51f528a163 |
iio: st_pressure: initialize lps22hb bootime
This patch initializes the bootime in struct st_sensor_settings for lps22hb sensor. Without this, sensor channels read from sysfs always report stale values. Signed-off-by: Shrirang Bagul <shrirang.bagul@canonical.com> Cc: <Stable@vger.kernel.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org> |
||
simran singhal
|
af873b0d8f |
iio: pressure: zpa2326: Remove unnecessary cast on void pointer
The following Coccinelle script was used to detect this: @r@ expression x; void* e; type T; identifier f; @@ ( *((T *)e) | ((T *)x)[...] | ((T*)x)->f | - (T*) e ) Signed-off-by: simran singhal <singhalsimran0@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org> |
||
Javier Martinez Canillas
|
77496c078c |
iio: pressure: mpl3115: Add OF device ID table
The driver doesn't have a struct of_device_id table but supported devices are registered via Device Trees. This is working on the assumption that a I2C device registered via OF will always match a legacy I2C device ID and that the MODALIAS reported will always be of the form i2c:<device>. But this could change in the future so the correct approach is to have an OF device ID table if the devices are registered via OF. Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org> |
||
|
Javier Martinez Canillas
|
72fc0270a9 |
iio: pressure: hp03: Add OF device ID table
The driver doesn't have a struct of_device_id table but supported devices are registered via Device Trees. This is working on the assumption that a I2C device registered via OF will always match a legacy I2C device ID and that the MODALIAS reported will always be of the form i2c:<device>. But this could change in the future so the correct approach is to have an OF device ID table if the devices are registered via OF. Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org> |
||
|
Greg Kroah-Hartman
|
b96dea60bc |
First set of IIO fixes for the 4.11 cycle. Regression fixes from 4.10.
These are fixes that came in just to late for the 4.10 cycle. Two drivers made an accidental assumption of structure arrangement for struct iio_dev that are no longer true. It was a typo in the first place that happened to work until some elements were added to the structure. * mpl3115 - don't rely on structure field ordering * mpl115 - don't rely on structure field ordering. -----BEGIN PGP SIGNATURE----- iQJFBAABCAAvFiEEbilms4eEBlKRJoGxVIU0mcT0FogFAlie07IRHGppYzIzQGtl cm5lbC5vcmcACgkQVIU0mcT0Fohcpg//XXnNnUq4K90bM7krxcM0+0iQze5ZJOUJ BqXV8IfFicbeeo0a463g0wcYAJ1kmzNJV3eqMhCUC7seYoqQ6ji1FCPN0qw/TSv1 Mc9pE15i3GJ3vjsWKWMr0Bc0Gg+Ccah0aO/P3eatuwtvakZfPeUpvZakWBdkr1mP 97OlBm0BdOBF8tXJ9KAEe3rB/pJDLc2JNpIIlRi8hitw+GRpnhdZzLpwbZKG6Ytf ozT3IUC7LpnolCfpnzvCkSpHZnAr22MVPXkHLK7a4Vb/C3mTjJVsKjTdXN60luh3 C0hcN3IWyb/KAwLPSK9dqbkQBvoDSOtG8EGBeZoXdc1lHtia90Qp3hTeINDwRvPl un37OUYdEOtZ4JPG7FGHvgdc8bhkUJv2ZHITZWaIdZJAVj8DOWfQcydtxjHP/t8k mtgcg+OMCkgihN97kLqYS1dJnZIy3PwxoooDOJ0KB8/S8N3SbaWOFfuGWYaQikVL IIRA7CyWI3yEjioqfWc/ujXUgjhFNc7XC9M44huEg+ysExW5OamsoVtbEoqCOVIm s7NwoyRbjaDHzaLiulX/eCzb1C02PV0wof3NrPMv4T3Ao4L4cG34Pe5zOcKAPWr4 WefoZATobg6AmMEuK4CYtP3l0mInVw7vSGPfW9+D+3PppA8QRLCWgFbO0CENnMVM K4oBg9E7Sd0= =DW22 -----END PGP SIGNATURE----- Merge tag 'iio-fixes-for-4.11a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next Jonathan writes: First set of IIO fixes for the 4.11 cycle. Regression fixes from 4.10. These are fixes that came in just to late for the 4.10 cycle. Two drivers made an accidental assumption of structure arrangement for struct iio_dev that are no longer true. It was a typo in the first place that happened to work until some elements were added to the structure. * mpl3115 - don't rely on structure field ordering * mpl115 - don't rely on structure field ordering. |
||
Peter Rosin
|
6a6e1d56a0 |
iio: pressure: mpl115: do not rely on structure field ordering
Fixes a regression triggered by a change in the layout of struct iio_chan_spec, but the real bug is in the driver which assumed a specific structure layout in the first place. Hint: the three bits were not OR:ed together as implied by the indentation prior to this patch, there was a comma between the first two, which accidentally moved the ..._SCALE and ..._OFFSET bits to the next structure field. That field was .info_mask_shared_by_type before the _available attributes was added by commit |
||
|
Peter Rosin
|
9cf6cdba58 |
iio: pressure: mpl3115: do not rely on structure field ordering
Fixes a regression triggered by a change in the layout of struct iio_chan_spec, but the real bug is in the driver which assumed a specific structure layout in the first place. Hint: the two bits were not OR:ed together as implied by the indentation prior to this patch, there was a comma between them, which accidentally moved the ..._SCALE bit to the next structure field. That field was .info_mask_shared_by_type before the _available attributes was added by commit |
||
Gwendal Grignou
|
d732248fdb |
iio: cros_ec: Add cros_ec barometer driver
Handle the barometer sensor presented by the ChromeOS EC Sensor hub. Signed-off-by: Gwendal Grignou <gwendal@chromium.org> Signed-off-by: Enric Balletbo Serra <enric.balletbo@collabora.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org> |
||
Alison Schofield
|
3bc1abcddb |
iio: pressure: ms5611: claim direct mode during oversampling changes
Driver was checking for direct mode before changing oversampling ratios, but was not locking it. Use the claim/release helper functions to guarantee the device stays in direct mode while the oversampling ratios are being updated. Continue to use the drivers private state lock to protect against conflicting direct mode access of the state data. Signed-off-by: Alison Schofield <amsfield22@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org> |
||
Marcin Niestroj
|
7f0d874036 |
iio: st_pressure: Export sampling frequency for lps25h and lps331ap
Both devices are using the same iio_chan_spec to define which settings are exported with sysfs. Both are properly configured to set/get sampling frequency for pressure and temperature. They also properly export available sampling frequencies. The only missing thing is sampling_frequency sysfs file, which allows to set/get this property from userspace. Add sampling frequency to iio channel info mask, so sampling_frequency file is properly exported using sysfs. Signed-off-by: Marcin Niestroj <m.niestroj@grinn-global.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org> |
||
|
Marcin Niestroj
|
1b211d48ab |
iio: st_pressure: Fix data sign
Datasheet of each device (lps331ap, lps25h, lps001wp, lps22hb) says that the pressure and temperature data is a 2's complement. I'm sending this the slow way, as negative pressures on these are pretty unusual and the nature of the fixing of multiple device introduction patches will make it hard to apply to older kernels - Jonathan. Fixes: |
||
Aniroop Mathur
|
071cf24943 |
IIO: Change msleep to usleep_range for small msecs
msleep(1~20) may not do what the caller intends, and will often sleep longer. (~20 ms actual sleep for any value given in the 1~20ms range) This is not the desired behaviour for many cases like device resume time, device suspend time, device enable time, data reading time, etc. Thus, change msleep to usleep_range for precise wakeups. Signed-off-by: Aniroop Mathur <a.mathur@samsung.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org> |
||
|
Shrirang Bagul
|
9d317724cf |
iio: st_pressure: Support i2c probe using acpi
Compatible strings are not available on ACPI based systems. This patch adds support to use DSDT information read from platform BIOS instead for probing st pressure sensors. Signed-off-by: Shrirang Bagul <shrirang.bagul@canonical.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org> |
||
Linus Walleij
|
91a86a3b89 |
iio: pressure: st_pressure: inline per-sensor data
We have #defines for all the individual sensor registers and value/mask pairs #defined at the top of the file and used at exactly one spot. This is usually good if the #defines give a meaning to the opaque magic numbers. However in this case, the semantic meaning is inherent in the name of the C99-addressable fields, and that means duplication of information, and only makes the code hard to maintain since you every time have to add a new #define AND update the site where it is to be used. Get rid of the #defines and just open code the values into the appropriate struct elements. Make sure to explicitly address the .hz and .value fields in the st_sensor_odr_avl struct so that the meaning of all values is clear. This patch is purely syntactic should have no semantic effect. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org> |
||
|
Greg Kroah-Hartman
|
c7c88e998a |
First round of IIO new device support, features and cleanups for the 4.10 cycle.
Fair number of outreachy related patches in here. Some of these may well
have already been picked up by Greg but git will sort that out for us.
Also some good staging cleanup work from other sources. Thanks Brian and Lars
in particular for this.
New device support
* ACCES 104-quad-8
- New driver for this 8 channel encoder input board. Lots of new ABI with
this one.
* AD7766
- New driver supporting AD7766, AD7766-1, AD7766-2, AD7767, AD7767-1 and
AD7767-2 24 bit ADCs.
* dmard 10
- New driver for this 3 axis accelerometer.
* Honeywell ABP pressure sensors.
- New driver covering 56 parts in this series (too many to list here!)
* HTS221
- New driver to support this relative humidiy and temperature device.
* LMP91000
- New driver for this potentiostat (form of chemical sensor). Nice example
of use of the buffered consumer interfaces and the use of a consumer
provided trigger.
* MiraMEMS DA311
- New driver for this 3 axis accelerometer.
* MiraMEMS DA280
- New driver for this 3 axis accelerometer. Follow up caught up with
vendor prefixes for these.
Staging graduations
* isl29018 light sensor
- Fixes and cleanups listed below (thanks for your hard work on this Brian!)
* sca3000
- Fixes and cleanups listed below. This was one of the small set of drivers
that went into staging when IIO was first added. Turns out it had a few
bugs and needed to be brought into the modern era! Not clear if I am
the only person who actually has one of these still wired to a board.
New features (Core)
- Add an iio_trigger_validate_own_device helper which relies on the device
and trigger having the same parent. Convenient to have this for some
of the more complex trigger / device interactions. Was hand rolled in
a few drivers already so good to bring it into the core.
- Add an iio_read_channel_offset in kernel access helper (similar to
the existing one for scale).
- IIO_ATTR_{RO, WO, RW} and IIO_DEVICE_ATTR_{RO, WO, RW} macros. These
lead some rather contrived function naming, but there is no denying they
do reduced boilerplate. I'm going to resist their introduction in
drivers 'unless' they form part of a larger set of cleanups.
- Counter channel type and index type.
New features (Drivers)
* hdc100x
- Triggered buffer support.
* mcp4725
- Device tree bindings and support.
- Voltage reference selection.
* ti-adc0832
- Triggered buffer support.
* ti-adc161s626
- Add regulator support allowing _scale and _offset values to be established
and exported.
New features (Tools)
* iio_generic_buffer
- -A option to force enable all channels rather than faulting if some are
already enabled (like -a does). Followup patches tidied this support up.
Cleanups (Core)
- Use kmalloc_array in iio_scan_mask_set.
- Take event_attrs field of iio_info structure constant
- Staging todo list updates. Most of it was long done.
- MAINTAINERS had a wrong directory listing.
Cleanups (Drivers)
* Missing i2c trivial devices entries.
* ad5592r
- Fix an endian type related sparse warnings.
* ad7150
- Constify the event attribute_group structures.
* ad7152
- Add some blank lines to improve readability.
- Sampling frequency control via chan-info element rather than hand rolled
attributes.
- add a new lock to avoid use of mlock for non state change related locking.
* ad7280
- Constify atrribute_group structure (second patch covers the event ones)
* ad7606 (Lars is driving most of the cleanup on this with some additions from
Eva)
- Fix improper setting of oversampling pins. This has been broken a very
long time in this staging driver, so not going to push this back to stable.
- Implement oversampling configuration via the chan_info mask element.
- Remove an unused int_vref_mv field.
- Remove a reundant name field from ad7606_chip_info.
- Remove default device configuration from platform_data in favour of
whatever the power on defaults are.
- Remove out of band error reporting in the kernel log as not providing
much information.
- Fix oversampling ratio by having 1 be the value for no oversampling.
- Avoid allocating buffer for each data capture.
- Factor out common code between periodic and one-shot capture.
- Move set_drvdat into common code.
- Let the common probe function return int rather than jumping through
an ERR_PTR.
- Pass struct device * into common remove to simplify code.
- Always run trigger handler only once per event (no one can remember why
it was being possibly done twice).
- Move over to the GPIO descriptor API to shorten and clarify code.
- Move the buffer code into the main file as it's not optional and is
now rather short in this driver.
- Fix the naming of the supply regulator.
- Rework regulator handling to handle errors including deferred probing.
- Tidy up a ptr_err or 0 return.
* ad7746
- Sampling frequency control via info_mask element rather than hand rolled
* ad7758
- Sampling frequency control via info_mask element rather than hand rolled
attributes.
* ad7816
- Constify the event attribute_group structure.
* adt7316
- Constify the event attribute group structures.
* ak8974
- Cleanup some sparse warnings about endian types.
* ak8975
- Cleanup some sparse warnings about endian types.
* bmi160
- Spare endian warning cleanups.
* isl29018 (towards staging graduation)
- Remove unusedvariables and defines.
- Improve consistency of error handling.
- Signed / unsigned comparison fixes.
- Use the IIO_DEVICE_ATTR_{RO, RW} macros
- Fix a race in in_illuminance_scale_available_show.
- Cleanup exit points of _read_raw
- Sanity check if in suspended state during a write_raw call as was already
done for read_raw.
- Document device tree bidnings.
- Document infrared supression controls.
- Add some newlines to improve readability and drop one that shouldn't be
there.
- Fix a poorly named functions name.
- Fix multiline coment syntax.
- Tidy up a pair or return statements by unifying them.
- Rename description in Kconfig for consistency with similar drivers.
* lidar
- cleanup power management by dropping unnecessary call.
* ltr501
- Use the claim_direct_mode helpers. Fix a race condition along the way.
* max1027
- Fix a dubious x | !y sparse warning.
- Use the new iio_trigger_validate_own_device helper.
* max440000
- Clean up some sparse warnings about endian types.
* mcp4725
- Use the regulator framework to establish the reference voltage rather than
getting it from platform data.
- Tidy up a comment typo.
- Fix a wrong PTR_ERR query (wrong regulator).
* mma7660
- Take a mma7660_nscale static.
* mma8452
- Use the new iio_trigger_validate_own_device helper.
- Use claim_direct_mode helpers - fix a race condition along the way.
* mpl3115
- Use claim_direct_mode helpers - fix a race condition along the way.
* ms65611
- Tidy up regulator error handling and clean out a static warning in the mix.
* sca3000
- Avoid a potential unitialized variable if a hardware read returns a value
that isn't actually supported (mostly warning supression).
- Fix a use before setting of the indio_dev->buffer pointer. Broken for
a very long time so not going to rush this into stable.
- Merge buffer file with core file. We used to always split these.
Sometimes it's just not worth the hassle. In this case the device's main
feature is it's hardware fifos so unlikely anyone would want to run it
without.
- Drop the sca3000_register_ring_funcs function as it's a pointless wrapper
once we have only one file.
- Fix cleaning of flag + setting of size of scan. Without this you can't
start the buffer twice and expect sensible (or any) results. Again,
broken for a long time so not heading for stable.
- Drop the custom watershed setting ABI - for now we'll just support one
value.
- Move to a hybrid hard / soft buffer design (how we've been doing it
for similar devices for a while now!)
- Cleanup some unusued variables.
- Use a fake channel to support core handling of freefall event registration.
- Cleanup the register defines.
- Fix an off by one error in axis due to IIO_NO_MOD taking up the 0 value.
Been broken since first admission of IIO to the staging tree.
- Add readback of the 3db low pass filter frequency and later writing
allowing droppign of custom measurement mode attributes as they can
be represented by the filter choices that is their main characteristic.
- Drop non standard revision attr and replace with dev_info on probe.
- Avoid a race in probe.
- Various formatting fixes.
- Kernel-docify docs that were very nearly in the write format.
* tsl2583
- Constify attribute_group structure.
* zpa2326
- Drop a redundant DEBUG ifdef.
Cleanups (Tools)
* iio_generic_buffer
- Fix the ? arguement. Previously it sort of worked as you got the help
message as a result of it not recognising the arguement.
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Merge tag 'iio-for-4.10a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Jonathan writes:
First round of IIO new device support, features and cleanups for the 4.10 cycle.
Fair number of outreachy related patches in here. Some of these may well
have already been picked up by Greg but git will sort that out for us.
Also some good staging cleanup work from other sources. Thanks Brian and Lars
in particular for this.
New device support
* ACCES 104-quad-8
- New driver for this 8 channel encoder input board. Lots of new ABI with
this one.
* AD7766
- New driver supporting AD7766, AD7766-1, AD7766-2, AD7767, AD7767-1 and
AD7767-2 24 bit ADCs.
* dmard 10
- New driver for this 3 axis accelerometer.
* Honeywell ABP pressure sensors.
- New driver covering 56 parts in this series (too many to list here!)
* HTS221
- New driver to support this relative humidiy and temperature device.
* LMP91000
- New driver for this potentiostat (form of chemical sensor). Nice example
of use of the buffered consumer interfaces and the use of a consumer
provided trigger.
* MiraMEMS DA311
- New driver for this 3 axis accelerometer.
* MiraMEMS DA280
- New driver for this 3 axis accelerometer. Follow up caught up with
vendor prefixes for these.
Staging graduations
* isl29018 light sensor
- Fixes and cleanups listed below (thanks for your hard work on this Brian!)
* sca3000
- Fixes and cleanups listed below. This was one of the small set of drivers
that went into staging when IIO was first added. Turns out it had a few
bugs and needed to be brought into the modern era! Not clear if I am
the only person who actually has one of these still wired to a board.
New features (Core)
- Add an iio_trigger_validate_own_device helper which relies on the device
and trigger having the same parent. Convenient to have this for some
of the more complex trigger / device interactions. Was hand rolled in
a few drivers already so good to bring it into the core.
- Add an iio_read_channel_offset in kernel access helper (similar to
the existing one for scale).
- IIO_ATTR_{RO, WO, RW} and IIO_DEVICE_ATTR_{RO, WO, RW} macros. These
lead some rather contrived function naming, but there is no denying they
do reduced boilerplate. I'm going to resist their introduction in
drivers 'unless' they form part of a larger set of cleanups.
- Counter channel type and index type.
New features (Drivers)
* hdc100x
- Triggered buffer support.
* mcp4725
- Device tree bindings and support.
- Voltage reference selection.
* ti-adc0832
- Triggered buffer support.
* ti-adc161s626
- Add regulator support allowing _scale and _offset values to be established
and exported.
New features (Tools)
* iio_generic_buffer
- -A option to force enable all channels rather than faulting if some are
already enabled (like -a does). Followup patches tidied this support up.
Cleanups (Core)
- Use kmalloc_array in iio_scan_mask_set.
- Take event_attrs field of iio_info structure constant
- Staging todo list updates. Most of it was long done.
- MAINTAINERS had a wrong directory listing.
Cleanups (Drivers)
* Missing i2c trivial devices entries.
* ad5592r
- Fix an endian type related sparse warnings.
* ad7150
- Constify the event attribute_group structures.
* ad7152
- Add some blank lines to improve readability.
- Sampling frequency control via chan-info element rather than hand rolled
attributes.
- add a new lock to avoid use of mlock for non state change related locking.
* ad7280
- Constify atrribute_group structure (second patch covers the event ones)
* ad7606 (Lars is driving most of the cleanup on this with some additions from
Eva)
- Fix improper setting of oversampling pins. This has been broken a very
long time in this staging driver, so not going to push this back to stable.
- Implement oversampling configuration via the chan_info mask element.
- Remove an unused int_vref_mv field.
- Remove a reundant name field from ad7606_chip_info.
- Remove default device configuration from platform_data in favour of
whatever the power on defaults are.
- Remove out of band error reporting in the kernel log as not providing
much information.
- Fix oversampling ratio by having 1 be the value for no oversampling.
- Avoid allocating buffer for each data capture.
- Factor out common code between periodic and one-shot capture.
- Move set_drvdat into common code.
- Let the common probe function return int rather than jumping through
an ERR_PTR.
- Pass struct device * into common remove to simplify code.
- Always run trigger handler only once per event (no one can remember why
it was being possibly done twice).
- Move over to the GPIO descriptor API to shorten and clarify code.
- Move the buffer code into the main file as it's not optional and is
now rather short in this driver.
- Fix the naming of the supply regulator.
- Rework regulator handling to handle errors including deferred probing.
- Tidy up a ptr_err or 0 return.
* ad7746
- Sampling frequency control via info_mask element rather than hand rolled
* ad7758
- Sampling frequency control via info_mask element rather than hand rolled
attributes.
* ad7816
- Constify the event attribute_group structure.
* adt7316
- Constify the event attribute group structures.
* ak8974
- Cleanup some sparse warnings about endian types.
* ak8975
- Cleanup some sparse warnings about endian types.
* bmi160
- Spare endian warning cleanups.
* isl29018 (towards staging graduation)
- Remove unusedvariables and defines.
- Improve consistency of error handling.
- Signed / unsigned comparison fixes.
- Use the IIO_DEVICE_ATTR_{RO, RW} macros
- Fix a race in in_illuminance_scale_available_show.
- Cleanup exit points of _read_raw
- Sanity check if in suspended state during a write_raw call as was already
done for read_raw.
- Document device tree bidnings.
- Document infrared supression controls.
- Add some newlines to improve readability and drop one that shouldn't be
there.
- Fix a poorly named functions name.
- Fix multiline coment syntax.
- Tidy up a pair or return statements by unifying them.
- Rename description in Kconfig for consistency with similar drivers.
* lidar
- cleanup power management by dropping unnecessary call.
* ltr501
- Use the claim_direct_mode helpers. Fix a race condition along the way.
* max1027
- Fix a dubious x | !y sparse warning.
- Use the new iio_trigger_validate_own_device helper.
* max440000
- Clean up some sparse warnings about endian types.
* mcp4725
- Use the regulator framework to establish the reference voltage rather than
getting it from platform data.
- Tidy up a comment typo.
- Fix a wrong PTR_ERR query (wrong regulator).
* mma7660
- Take a mma7660_nscale static.
* mma8452
- Use the new iio_trigger_validate_own_device helper.
- Use claim_direct_mode helpers - fix a race condition along the way.
* mpl3115
- Use claim_direct_mode helpers - fix a race condition along the way.
* ms65611
- Tidy up regulator error handling and clean out a static warning in the mix.
* sca3000
- Avoid a potential unitialized variable if a hardware read returns a value
that isn't actually supported (mostly warning supression).
- Fix a use before setting of the indio_dev->buffer pointer. Broken for
a very long time so not going to rush this into stable.
- Merge buffer file with core file. We used to always split these.
Sometimes it's just not worth the hassle. In this case the device's main
feature is it's hardware fifos so unlikely anyone would want to run it
without.
- Drop the sca3000_register_ring_funcs function as it's a pointless wrapper
once we have only one file.
- Fix cleaning of flag + setting of size of scan. Without this you can't
start the buffer twice and expect sensible (or any) results. Again,
broken for a long time so not heading for stable.
- Drop the custom watershed setting ABI - for now we'll just support one
value.
- Move to a hybrid hard / soft buffer design (how we've been doing it
for similar devices for a while now!)
- Cleanup some unusued variables.
- Use a fake channel to support core handling of freefall event registration.
- Cleanup the register defines.
- Fix an off by one error in axis due to IIO_NO_MOD taking up the 0 value.
Been broken since first admission of IIO to the staging tree.
- Add readback of the 3db low pass filter frequency and later writing
allowing droppign of custom measurement mode attributes as they can
be represented by the filter choices that is their main characteristic.
- Drop non standard revision attr and replace with dev_info on probe.
- Avoid a race in probe.
- Various formatting fixes.
- Kernel-docify docs that were very nearly in the write format.
* tsl2583
- Constify attribute_group structure.
* zpa2326
- Drop a redundant DEBUG ifdef.
Cleanups (Tools)
* iio_generic_buffer
- Fix the ? arguement. Previously it sort of worked as you got the help
message as a result of it not recognising the arguement.
|
||
|
Alison Schofield
|
ac13980584 |
iio: pressure: mpl3115: claim direct mode during raw reads
Driver was checking for direct mode but not locking it. Use claim/release helper functions to guarantee the device stays in direct mode during raw reads. Signed-off-by: Alison Schofield <amsfield22@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org> |
||
Crt Mori
|
3f5def652f |
iio: ms65611_core: Fixes dereferencing regulator pointer
Change in handling of the regulator description means that static checkers correctly assume we could be using dereferenced pointer to the regulator. In reality we will never get the -ENODEV error, as current behavior flow does not predict it, because: If the device tree or board file does not define suitable regulators for the component, it will be substituted by a dummy regulator, or, if regulators are disabled altogether, by stubs. Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Suggested-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Crt Mori <cmo@melexis.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org> |