Commit Graph

78 Commits

Author SHA1 Message Date
Lars-Peter Clausen
4f2c188597 iio:ad5380: Report scale as fractional value
Move the complexity of calculating the fixed point scale to the core.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-10-01 16:19:09 +01:00
Lars-Peter Clausen
ca3bc8b626 iio:ad5360: Report scale as fractional value
Move the complexity of calculating the fixed point scale to the core.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-10-01 16:19:08 +01:00
Lars-Peter Clausen
25682ae5e4 iio:ad5064: Report scale as fractional value
Move the complexity of calculating the fixed point scale to the core.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-10-01 16:19:08 +01:00
Greg Kroah-Hartman
b4e8459947 Second set of new functionality for IIO in the 3.13 cycle - with bug fixes for first set.
This is a small, mainly to get a couple of compile bug related fixes into
 the tree ASAP.
 
 New device support:
 1) Add ad5446 dac support to the ad5641 driver.
 
 New functionality and cleanups:
 1) Optional power supply regulators for the st pressure sensors drivers using
    the new optional regulator interface.
 2) Bit of tidying up of naming in the sysfs trigger.
 
 Bug fixes from the previous series:
 1) Missing select IIO_BUFFER for ti_am335x_adc
 2) Drop a bonus bracket in iio-trig-bfin-timmer
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Merge tag 'iio-for-3.13b' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next

Jonathan writes:

Second set of new functionality for IIO in the 3.13 cycle - with bug fixes for first set.

This is a small, mainly to get a couple of compile bug related fixes into
the tree ASAP.

New device support:
1) Add ad5446 dac support to the ad5641 driver.

New functionality and cleanups:
1) Optional power supply regulators for the st pressure sensors drivers using
   the new optional regulator interface.
2) Bit of tidying up of naming in the sysfs trigger.

Bug fixes from the previous series:
1) Missing select IIO_BUFFER for ti_am335x_adc
2) Drop a bonus bracket in iio-trig-bfin-timmer
2013-09-29 13:12:23 -07:00
Greg Kroah-Hartman
e2aad1d571 Merge 3.12-rc2 into staging-next.
This resolves the merge problem with two iio drivers that Stephen
Rothwell pointed out.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-09-25 08:59:04 -07:00
Aida Mynzhasova
4fa2a9e468 iio: dac: ad5446: Add support for AD5641
This patch adds support for the AD5641 single channel,
14-bit, buffered voltage output DAC.

Signed-off-by: Aida Mynzhasova <aida.mynzhasova@skitlab.ru>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-23 20:20:47 +01:00
Peter Meerwald
a97dd06948 iio: Fix mcp4725 dev-to-indio_dev conversion in suspend/resume
dev_to_iio_dev() is a false friend

Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-21 12:04:48 +01:00
Jonathan Cameron
3704432fb1 iio: refactor info mask and ext_info attribute creation.
Introduce an enum to specify whether the attribute is separate or
shared.

Factor out the bitmap handling for loop into a separate function.

Tidy up error handling and add a NULL assignment to squish a false
positive warning from GCC.

Change ext_info shared type from boolean to enum and update in all
drivers.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
2013-09-15 17:43:20 +01:00
Sachin Kamat
540e4dbead iio: dac: ad5686: Remove redundant break
'break' after return is redundant. Remove it.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-09-14 11:37:01 +01:00
Sachin Kamat
cc566fd5e5 iio: dac: max517: Use devm_iio_device_alloc
Using devm_iio_device_alloc makes code simpler.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Roland Stigge <stigge@antcom.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-08-19 20:38:50 +01:00
Sachin Kamat
66e670aa08 iio: dac: ad7303: Use devm_* APIs
devm_* APIs are device managed and make code simpler.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-08-19 20:37:20 +01:00
Sachin Kamat
0d7c04d33f iio: dac: ad5791: Use devm_* APIs
devm_* APIs are device managed and make code simpler.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-08-19 20:35:35 +01:00
Sachin Kamat
7ff0de3faa iio: dac: ad5764: Use devm_* APIs
devm_* APIs are device managed and make code simpler.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-08-19 20:35:32 +01:00
Sachin Kamat
fd047294e2 iio: dac: ad5755: Use devm_iio_device_alloc
Using devm_iio_device_alloc makes code simpler.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-08-19 20:32:53 +01:00
Sachin Kamat
edf3fd4141 iio: dac: ad5686: Use devm_* APIs
devm_* APIs are device managed and make code simpler.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-08-19 20:31:04 +01:00
Sachin Kamat
75238230cc iio: dac: ad5624r_spi: Use devm_* APIs
devm_* APIs are device managed and make code simpler.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-08-19 20:29:34 +01:00
Sachin Kamat
8571ebf7fc iio: dac: ad5504: Use devm_* APIs
devm_* APIs are device managed and make code simpler.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-08-19 20:27:24 +01:00
Sachin Kamat
cd5e578541 iio: dac: ad5449: Use devm_* APIs
devm_* APIs are device managed and make code simpler.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-08-19 20:26:25 +01:00
Sachin Kamat
ba7272954e iio: dac: ad5446: Use devm_* APIs
devm_* APIs are device managed and make code simpler.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-08-19 20:25:43 +01:00
Sachin Kamat
62a308a62d iio: dac: ad5421: Use devm_* APIs
devm_* APIs are device managed and make code simpler.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-08-19 20:24:52 +01:00
Sachin Kamat
c815ad372b iio: dac: ad5380: Use devm_* APIs
devm_* APIs are device managed and make code simpler.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-08-19 20:23:53 +01:00
Sachin Kamat
400d36e68d iio: dac: ad5360: Use devm_* APIs
devm_* APIs are device managed and make code simpler.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-08-19 20:22:44 +01:00
Sachin Kamat
c367982ad9 iio: dac: ad5064: Use devm_* APIs
devm_* APIs are device managed and make code simpler.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-08-19 20:20:28 +01:00
Peter Meerwald
b6ff86f3f5 iio:mcp4725: Use devm_iio_device_alloc
Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-08-03 22:18:54 +01:00
Lars-Peter Clausen
3edc84e605 iio: Add a comment to about alphabetical order to Kconfigs and Makefiles
Keeping Makefile and Kconfig entries in alphabetical order usually works better
than just appending new entries at the end, since it reduces the amount of
conflicts. This patch adds a comment to the IIO Kconfig and Makefile files to
document that the entries should be kept in alphabetical order.

Also reorder those  entries which weren't in alphabetical order yet.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-08-03 18:40:36 +01:00
Jonathan Cameron
4fd313da04 iio:dac:mcp4725 wrong return type of attribute _show function
Should be ssize_t and is int.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Reported-by: Fengguan Wu <fengguang.wu@intel.com>
Acked-by: Peter Meerwald <pmeerw@pmeerw.net>
2013-08-03 18:40:36 +01:00
Peter Meerwald
155f1b4189 iio: add powerdown to mcp4725 dac drive
Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-08-03 18:40:31 +01:00
Peter Meerwald
f17b77d6cf iio: add store_eeprom to mcp4725 dac driver
Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-08-03 18:40:31 +01:00
Peter Meerwald
71866079dd iio: fix typos in dac Kconfig
Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-08-03 18:40:29 +01:00
Wei Yongjun
94fccb7841 iio: dac: ad7303: fix error return code in ad7303_probe()
Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-06-29 10:18:21 +01:00
Lars-Peter Clausen
f83478240e iio:dac: Add support for the AD7303
This patch adds support for the AD7303. The AD7303 is a simple 2 channel 8 bit
DAC with an SPI interface.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-06-11 20:25:58 +01:00
Axel Lin
0ae5fb6fd3 iio: dac: Fix build error when CONFIG_SPI_MASTER=y && CONFIG_I2C=m
This patch fixes below build error when CONFIG_SPI_MASTER=y && CONFIG_I2C=m:

drivers/built-in.o: In function `ad5064_i2c_write':
drivers/iio/dac/ad5064.c:608: undefined reference to `i2c_master_send'
drivers/built-in.o: In function `ad5064_i2c_register_driver':
drivers/iio/dac/ad5064.c:646: undefined reference to `i2c_register_driver'
drivers/built-in.o: In function `ad5064_i2c_unregister_driver':
drivers/iio/dac/ad5064.c:651: undefined reference to `i2c_del_driver'
make: *** [vmlinux] Error 1

When CONFIG_I2C=m, meaning we can't build the drivers in with I2C support.
Thus don't allow the drivers to be compiled as built-in when CONFIG_I2C=m.

The real fix though is to break the driver apart into a SPI part, an I2C part
and a common part. But that's something for 3.11 while this is something for
3.10/stable.

Reported-by: Wu Fengguang <fengguang.wu@intel.com>
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-05-22 22:14:58 +01:00
Greg Kroah-Hartman
ef994fda44 First set of IIO new drivers and cleanup for the 3.10 cycle.
New stuff
 
 1) Add OF support for specifying mappings between iio devices and their
    in kernel consumers.
 2) Driver for AD7923 (extra functionality and support for ad7904, ad7914 and
    ad7924 added later in series)
 3) Driver for Exynos adc (dt suppor for phy added later in series).
 4) Make iio_push_event save IRQ context - necessary if it is to be used
    within an interrupt handler.  Users of this functionality to follow.
 5) For iio use the device tree node name to provide the hwmon name attribute
    if available.
 
 Removal and moves out of staging
 
 1) Drop the adt7410 driver from IIO now that there is a hmwon driver with
    equivalent support. This device is very much targeted at hardware
    monitoring so hwmon is a more appropriate host for the driver.
 2) Move iio_hwmon driver to drivers/hwmon.
 
 Cleanups
 
 1) Minor cleanup in ST common library.
 2) Large set of patches to break the info_mask element which previously used
 odd and even bits to specify if a channel attribute was either shared across
 similar channels or specific to only one.  Now we have two bitmaps, one for
 those parameters that are specific to this channel and one for those shared
 by all channels with the same type as this one.  This has no effect on the
 userspace abi. It simplifies the core code and provides more space for new
 channel parameters. It has been on the todo list for a long time!
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Merge tag 'iio-for-3.10a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next

Jonathan writes:

First set of IIO new drivers and cleanup for the 3.10 cycle.

New stuff

1) Add OF support for specifying mappings between iio devices and their
   in kernel consumers.
2) Driver for AD7923 (extra functionality and support for ad7904, ad7914 and
   ad7924 added later in series)
3) Driver for Exynos adc (dt suppor for phy added later in series).
4) Make iio_push_event save IRQ context - necessary if it is to be used
   within an interrupt handler.  Users of this functionality to follow.
5) For iio use the device tree node name to provide the hwmon name attribute
   if available.

Removal and moves out of staging

1) Drop the adt7410 driver from IIO now that there is a hmwon driver with
   equivalent support. This device is very much targeted at hardware
   monitoring so hwmon is a more appropriate host for the driver.
2) Move iio_hwmon driver to drivers/hwmon.

Cleanups

1) Minor cleanup in ST common library.
2) Large set of patches to break the info_mask element which previously used
odd and even bits to specify if a channel attribute was either shared across
similar channels or specific to only one.  Now we have two bitmaps, one for
those parameters that are specific to this channel and one for those shared
by all channels with the same type as this one.  This has no effect on the
userspace abi. It simplifies the core code and provides more space for new
channel parameters. It has been on the todo list for a long time!

Conflicts:
	drivers/iio/dac/ad5064.c
2013-03-25 10:50:03 -07:00
Jonathan Cameron
90b4637400 iio:dac:mcp4725 move to info_mask_(shared_by_type/separate)
The original info_mask is going away in favour of the broken out versions.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
cc: Peter Meerwald <pmeerw@pmeerw.net>
2013-03-17 19:49:34 +00:00
Jonathan Cameron
040b837e71 iio:dac:max517 move to info_mask_(shared_by_type/separate)
The original info_mask is going away in favour of the broken out versions.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
cc: Roland Stigge <stigge@antcom.de>
2013-03-17 19:49:34 +00:00
Jonathan Cameron
7611294799 iio:dac:ad5791 move to info_mask_(shared_by_type/separate)
The original info_mask is going away in favour of the broken out versions.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
2013-03-17 19:49:33 +00:00
Jonathan Cameron
f4d9df1993 iio:dac:ad5764 move to info_mask_(shared_by_type/separate)
The original info_mask is going away in favour of the broken out versions.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
2013-03-17 19:49:33 +00:00
Jonathan Cameron
8ac1f3df0e iio:dac:ad5755 move to info_mask_(shared_by_type/separate)
The original info_mask is going away in favour of the broken out versions.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
2013-03-17 19:49:33 +00:00
Jonathan Cameron
d87a1d78ad iio:dac:ad5686 move to info_mask_(shared_by_type/separate)
The original info_mask is going away in favour of the broken out versions.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
2013-03-17 19:49:33 +00:00
Jonathan Cameron
8b68634861 iio:dac:ad5624r move to info_mask_(shared_by_type/separate)
The original info_mask is going away in favour of the broken out versions.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
2013-03-17 19:49:32 +00:00
Jonathan Cameron
f3ec5a2dd4 iio:dac:ad5504 move to info_mask_(shared_by_type/separate)
The original info_mask is going away in favour of the broken out versions.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
2013-03-17 19:49:32 +00:00
Jonathan Cameron
f8c627138b iio:dac:ad5449 move to info_mask_(shared_by_type/separate)
The original info_mask is going away in favour of the broken out versions.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
2013-03-17 19:49:32 +00:00
Jonathan Cameron
2f6a4a4421 iio:dac:ad5446 move to info_mask_(shared_by_type/separate)
The original info_mask is going away in favour of the broken out versions.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
2013-03-17 19:49:32 +00:00
Jonathan Cameron
31311c2a47 iio:dac:ad5421 move to info_mask_(shared_by_type/separate)
The original info_mask is going away in favour of the broken out versions.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
2013-03-17 19:49:31 +00:00
Jonathan Cameron
c69e139765 iio:dac:ad5380 move to info_mask_(shared_by_type/separate)
The original info_mask is going away in favour of the broken out versions.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
2013-03-17 19:49:31 +00:00
Jonathan Cameron
1727a301ed iio:dac:ad5360 move to info_mask_(shared_by_type/separate)
The original info_mask is going away in favour of the broken out versions.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
2013-03-17 19:49:31 +00:00
Jonathan Cameron
20a0eddd58 iio:dac:ad5064 move to info_mask_(shared_by_type/separate)
The original info_mask is going away in favour of the broken out versions.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
2013-03-17 19:49:30 +00:00
Lars-Peter Clausen
f77ae9d8fd iio:ad5064: Initialize register cache correctly
Initialize the register cache to the proper mid-scale value based on the
resolution of the device.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-03-02 16:29:14 +00:00
Lars-Peter Clausen
c5ef717a77 iio:ad5064: Fix off by one in DAC value range check
The DAC value range check allows values one larger than the maximum value, which
effectively results in setting the DAC value to 0. This patch fixes the issue.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-03-02 16:28:42 +00:00
Lars-Peter Clausen
a26302628a iio:ad5064: Fix address of the second channel for ad5065/ad5045/ad5025
The ad5065, ad5045, ad5025 use address '3' for the second channel, so they need
their own channel spec.

Note that ad5064_sync_powerdown_mode() also needs to be slightly updated since
it was relying on the fact that chan->address always equaled chan->channel.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-03-02 16:22:13 +00:00