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linux/drivers/iio
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Mircea Caprioru 0fc78fa0e2 iio: dac: ad5686: fix bit shift read register 
commit 0e76df5c97 upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2019-01-13 09:24:07 +01:00
..
accel iio/hid-sensors: Fix IIO_CHAN_INFO_RAW returning wrong values for signed numbers 2018-11-16 11:42:12 +00:00
adc iio: adc: qcom-spmi-adc5: Initialize prescale properly 2019-01-13 09:24:07 +01:00
afe iio: afe: rescale: new driver 2018-04-28 18:03:22 +01:00
amplifiers drivers: iio: Update MODULE AUTHOR email address 2018-08-19 17:23:39 +01:00
buffer iio:kfifo_buf: check for uint overflow 2018-03-30 11:16:12 +01:00
chemical iio: chemical: bme680: Remove field value defines 2018-08-25 09:13:45 +01:00
common iio: change strncpy+truncation to strlcpy 2018-07-15 11:38:06 +01:00
counter iio: 104-quad-8: Provide defines for magic numbers 2018-06-10 11:52:30 +01:00
dac iio: dac: ad5686: fix bit shift read register 2019-01-13 09:24:07 +01:00
dummy iio:dummy: Add extra paragraphs on Kconfig 2018-03-03 15:20:16 +00:00
frequency iio: Convert to using %pOFn instead of device_node.name 2018-09-02 18:54:31 +01:00
gyro iio/hid-sensors: Fix IIO_CHAN_INFO_RAW returning wrong values for signed numbers 2018-11-16 11:42:12 +00:00
health iio: health: max30102: Mark expected switch fall-throughs 2018-08-19 17:21:35 +01:00
humidity iio/hid-sensors: Fix IIO_CHAN_INFO_RAW returning wrong values for signed numbers 2018-11-16 11:42:12 +00:00
imu Merge 4.19-rc4 into staging-next 2018-09-16 22:04:13 +02:00
light iio/hid-sensors: Fix IIO_CHAN_INFO_RAW returning wrong values for signed numbers 2018-11-16 11:42:12 +00:00
magnetometer iio/hid-sensors: Fix IIO_CHAN_INFO_RAW returning wrong values for signed numbers 2018-11-16 11:42:12 +00:00
multiplexer iio: multiplexer: switch to SPDX license identifier 2018-08-20 19:28:26 +01:00
orientation iio/hid-sensors: Fix IIO_CHAN_INFO_RAW returning wrong values for signed numbers 2018-11-16 11:42:12 +00:00
potentiometer iio: potentiometer: mcp4531: switch to SPDX license identifier 2018-08-20 19:26:25 +01:00
potentiostat iio: potentiostat: lmp91000: add LMP91002 support 2018-05-12 11:02:44 +01:00
pressure iio/hid-sensors: Fix IIO_CHAN_INFO_RAW returning wrong values for signed numbers 2018-11-16 11:42:12 +00:00
proximity iio: proximity: Add driver support for ST's VL53L0X ToF ranging sensor. 2018-09-22 16:42:56 +01:00
resolver staging: iio: ad2s1200: Move driver out of staging 2018-05-20 12:17:48 +01:00
temperature iio/hid-sensors: Fix IIO_CHAN_INFO_RAW returning wrong values for signed numbers 2018-11-16 11:42:12 +00:00
trigger drivers: iio: Update MODULE AUTHOR email address 2018-08-19 17:23:39 +01:00
iio_core.h the rest of drivers/*: annotate ->poll() instances 2017-11-28 11:06:58 -05:00
iio_core_trigger.h iio: fix semicolon in io_core_trigger.h 2013-08-03 18:40:32 +01:00
industrialio-buffer.c First round of IIO fixes for the 4.16 cycle. 2018-02-20 10:03:22 +01:00
industrialio-configfs.c iio: make function argument and some structures const 2017-10-19 16:15:24 +02:00
industrialio-core.c iio: Add modifier for DUV light 2018-07-23 19:18:10 +01:00
industrialio-event.c vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
industrialio-sw-device.c iio: make function argument and some structures const 2017-10-19 16:15:24 +02:00
industrialio-sw-trigger.c iio: make function argument and some structures const 2017-10-19 16:15:24 +02:00
industrialio-trigger.c iio:trigger: Remove necessity to have a trig->ops structure. 2017-08-22 21:20:28 +01:00
industrialio-triggered-event.c iio: Support triggered events 2015-08-27 20:47:09 +01:00
inkern.c treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
Kconfig staging: iio: ad2s1200: Move driver out of staging 2018-05-20 12:17:48 +01:00
Makefile staging: iio: ad2s1200: Move driver out of staging 2018-05-20 12:17:48 +01:00