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1ef0764486
linux/drivers/iio/dac
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Mircea Caprioru 0e76df5c97 iio: dac: ad5686: fix bit shift read register 
This patch solves the register readback issue with the bit shift. When the
dac resolution was lower than the register size (ex. 12 bits out of 16
bits) the readback value was not shifted with the difference in bits and
the value was higher. Also a mask is applied on the read value in order to
get the value relative to the actual bit size.

Fixes: 0357e488b8 ("iio:dac:ad5686: Refactor the driver")
Signed-off-by: Mircea Caprioru <mircea.caprioru@analog.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2018-12-08 15:45:09 +00:00
..
ad5064.c iio: ad5064: Fix regulator handling 2018-09-29 13:28:47 +01:00
ad5360.c iio:dac: drop assignment of iio_info.driver_module 2017-08-22 21:26:54 +01:00
ad5380.c iio: Replace occurrences of magic number 0 by IIO_CHAN_INFO_RAW 2018-03-07 20:14:36 +00:00
ad5421.c iio:dac: drop assignment of iio_info.driver_module 2017-08-22 21:26:54 +01:00
ad5446.c drivers: iio: Update MODULE AUTHOR email address 2018-08-19 17:23:39 +01:00
ad5449.c iio:dac: drop assignment of iio_info.driver_module 2017-08-22 21:26:54 +01:00
ad5504.c drivers: iio: Update MODULE AUTHOR email address 2018-08-19 17:23:39 +01:00
ad5592r-base.c treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
ad5592r-base.h
ad5592r.c iio: dac: ad5592r: Add ACPI support 2016-12-30 17:19:36 +00:00
ad5593r.c iio: dac: ad5593r: Add ACPI support 2016-12-30 17:20:14 +00:00
ad5624r_spi.c iio:dac: drop assignment of iio_info.driver_module 2017-08-22 21:26:54 +01:00
ad5624r.h
ad5686-spi.c iio:dac:ad5686: Add AD5310R support 2018-12-08 15:35:55 +00:00
ad5686.c iio: dac: ad5686: fix bit shift read register 2018-12-08 15:45:09 +00:00
ad5686.h iio:dac:ad5686: Add AD5310R support 2018-12-08 15:35:55 +00:00
ad5696-i2c.c iio:dac:ad5686: Add AD5311R support 2018-06-10 14:30:09 +01:00
ad5755.c iio:dac: drop assignment of iio_info.driver_module 2017-08-22 21:26:54 +01:00
ad5758.c iio: dac: ad5758: Add support for hard reset 2018-09-02 19:01:30 +01:00
ad5761.c iio:dac: drop assignment of iio_info.driver_module 2017-08-22 21:26:54 +01:00
ad5764.c iio: Replace occurrences of magic number 0 by IIO_CHAN_INFO_RAW 2018-03-07 20:14:36 +00:00
ad5791.c drivers: iio: Update MODULE AUTHOR email address 2018-08-19 17:23:39 +01:00
ad7303.c iio:dac: drop assignment of iio_info.driver_module 2017-08-22 21:26:54 +01:00
ad8801.c iio:dac: drop assignment of iio_info.driver_module 2017-08-22 21:26:54 +01:00
cio-dac.c iio:dac: drop assignment of iio_info.driver_module 2017-08-22 21:26:54 +01:00
dpot-dac.c iio: dpot-dac: mark expected switch fall-through with text GCC expects. 2018-10-14 18:01:00 +01:00
ds4424.c iio: dac: ds4422/ds4424 dac driver 2017-10-09 20:49:39 +01:00
Kconfig iio:dac:ti-dac7311 Add driver for Texas Instrument DAC7311 2018-11-11 15:29:44 +00:00
lpc18xx_dac.c iio:dac: drop assignment of iio_info.driver_module 2017-08-22 21:26:54 +01:00
ltc1660.c iio: dac: add support for ltc1660 2018-08-25 09:24:07 +01:00
ltc2632.c treewide: convert ISO_8859-1 text comments to utf-8 2018-08-23 18:48:43 -07:00
m62332.c iio:dac: drop assignment of iio_info.driver_module 2017-08-22 21:26:54 +01:00
Makefile iio:dac:ti-dac7311 Add driver for Texas Instrument DAC7311 2018-11-11 15:29:44 +00:00
max517.c iio: dac: max517: avoid using CONFIG_PM_SLEEP 2018-08-19 17:40:24 +01:00
max5821.c iio: dac: max5821: avoid using CONFIG_PM_SLEEP 2018-08-19 17:41:31 +01:00
mcp4725.c iio: dac: mcp4725: avoid using CONFIG_PM_SLEEP 2018-08-19 17:42:21 +01:00
mcp4922.c iio: dac: mcp4922: fix error handling in mcp4922_write_raw 2018-08-25 09:47:36 +01:00
stm32-dac-core.c iio: stm32: Adopt SPDX identifier 2018-01-08 16:03:41 +01:00
stm32-dac-core.h iio: stm32: Adopt SPDX identifier 2018-01-08 16:03:41 +01:00
stm32-dac.c iio: stm32: Adopt SPDX identifier 2018-01-08 16:03:41 +01:00
ti-dac082s085.c iio: dac: ti-dac082s085: Read chip spec from device table 2017-10-21 20:36:45 +01:00
ti-dac5571.c iio: dac: ti-dac5571: provide of_match_table to driver 2018-08-25 09:58:52 +01:00
ti-dac7311.c iio:dac:ti-dac7311 Add driver for Texas Instrument DAC7311 2018-11-11 15:29:44 +00:00
vf610_dac.c iio:dac: drop assignment of iio_info.driver_module 2017-08-22 21:26:54 +01:00