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linux/drivers/iio
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Sergiu Cuciurean 9d708a3b72 iio: adc: ad7768-1: Fix conversion result sign 
[ Upstream commit 8236644f5e ]

The ad7768-1 ADC output code is two's complement, meaning that the voltage
conversion result is a signed value.. Since the value is a 24 bit one,
stored in a 32 bit variable, the sign should be extended in order to get
the correct representation.

Also the channel description has been updated to signed representation,
to match the ADC specifications.

Fixes: a5f8c7da3d ("iio: adc: Add AD7768-1 ADC basic support")
Reviewed-by: David Lechner <dlechner@baylibre.com>
Reviewed-by: Marcelo Schmitt <marcelo.schmitt@analog.com>
Signed-off-by: Sergiu Cuciurean <sergiu.cuciurean@analog.com>
Signed-off-by: Jonathan Santos <Jonathan.Santos@analog.com>
Cc: <Stable@vger.kernel.org>
Link: https://patch.msgid.link/505994d3b71c2aa38ba714d909a68e021f12124c.1741268122.git.Jonathan.Santos@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2025-05-02 07:44:26 +02:00
..
accel iio: accel: mma8452: Ensure error return on failure to matching oversampling ratio 2025-04-10 14:32:01 +02:00
adc iio: adc: ad7768-1: Fix conversion result sign 2025-05-02 07:44:26 +02:00
addac iio: addac: stx104: Fix race condition when converting analog-to-digital 2023-08-26 14:23:27 +02:00
afe iio: afe: rescale: Accept only offset channels 2023-11-08 17:26:42 +01:00
amplifiers iio: amplifiers: hmc425a: Simplify with dev_err_probe() 2020-09-03 19:40:50 +01:00
buffer iio: buffer-dmaengine: fix releasing dma channel on error 2024-09-12 11:07:50 +02:00
cdc iio:cdc:ad7150: Fix use of uninitialized ret 2021-04-07 08:36:39 +01:00
chemical iio: chemical: bme680: Fix sensor data read operation 2024-07-05 09:14:46 +02:00
common iio: hid-sensors: Fix an error handling path in _hid_sensor_set_report_latency() 2024-10-22 15:40:44 +02:00
dac iio: dac: stm32-dac-core: add missing select REGMAP_MMIO in Kconfig 2024-10-22 15:40:44 +02:00
dummy iio: dummy: iio_simply_dummy_buffer: fix information leak in triggered buffer 2025-01-23 17:15:54 +01:00
frequency iio: frequency: adf4350: disable reg and clk on error in adf4350_probe() 2021-06-13 17:00:17 +01:00
gyro iio: gyro: fxas21002c: Fix missing data update in trigger handler 2025-01-23 17:15:55 +01:00
health iio: health: afe4404: Fix oob read in afe4404_[read|write]_raw 2022-12-08 11:28:38 +01:00
humidity iio:humidity:hts221: rearrange iio trigger get and register 2022-06-29 09:03:27 +02:00
imu iio: imu: inv_icm42600: fix timestamps after suspend if sensor is on 2025-01-23 17:16:02 +01:00
light iio: light: as73211: fix channel handling in only-color triggered buffer 2025-03-13 12:50:30 +01:00
magnetometer iio: magnetometer: ak8975: Fix reading for ak099xx sensors 2024-10-17 15:11:40 +02:00
multiplexer iio: multiplexer: iio-mux: Simplify with dev_err_probe() 2020-09-03 19:40:51 +01:00
orientation iio: hid-sensors: bind IIO channels alloc to device object 2021-07-13 18:21:53 +01:00
position iio: hid-sensors: Update header includes 2021-06-16 14:53:13 +01:00
potentiometer iio: potentiometer: Add driver support for AD5110 2021-08-15 15:38:16 +01:00
potentiostat iio: potentiostat: lmp91000: Fix alignment of buffer in iio_push_to_buffers_with_timestamp() 2021-05-17 13:54:30 +01:00
pressure iio: pressure: zpa2326: fix information leak in triggered buffer 2025-01-23 17:15:54 +01:00
proximity iio: proximity: mb1232: add missing select IIO_(TRIGGERED_)BUFFER in Kconfig 2024-10-22 15:40:45 +02:00
resolver iio:resolver:ad2s1200: Drop of_match_ptr protection 2020-09-21 18:41:31 +01:00
temperature iio: temperature: ltc2983: make bulk write buffer DMA-safe 2022-12-31 13:14:29 +01:00
test iio/test-format: build kunit tests without structleak plugin 2021-10-06 17:53:36 -06:00
trigger iio: trigger: sysfs: fix possible memory leak in iio_sysfs_trig_init() 2022-11-26 09:24:46 +01:00
iio_core.h iio: buffer: fix use-after-free for attached_buffers array 2021-03-25 19:13:51 +00:00
iio_core_trigger.h iio: core-trigger: make iio_device_register_trigger_consumer() an int return 2021-03-11 20:47:02 +00:00
industrialio-buffer.c iio: buffer: Fix file related error handling in IIO_BUFFER_GET_FD_IOCTL 2022-02-16 12:56:37 +01:00
industrialio-configfs.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
industrialio-core.c iio: core: fix memleak in iio_device_register_sysfs 2024-02-23 08:55:07 +01:00
industrialio-event.c iio: fix memory leak in iio_device_register_eventset() 2022-12-31 13:14:47 +01:00
industrialio-sw-device.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
industrialio-sw-trigger.c iio: core: Fix entry not deleted when iio_register_sw_trigger_type() fails 2022-12-02 17:41:08 +01:00
industrialio-trigger.c iio: trigger: Fix a scheduling whilst atomic issue seen on tsc2046 2022-01-27 11:02:57 +01:00
industrialio-triggered-event.c iio: core: move @id from struct iio_dev to struct iio_dev_opaque 2021-05-17 13:49:13 +01:00
inkern.c iio: inkern: call iio_device_put() only on mapped devices 2025-01-23 17:15:55 +01:00
Kconfig iio: add addac subdirectory 2023-08-26 14:23:26 +02:00
Makefile iio: add addac subdirectory 2023-08-26 14:23:26 +02:00
TODO iio: add a TODO 2020-03-08 17:28:53 +00:00