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linux/drivers/iio/dac
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William Breathitt Gray 59d667d7ae iio: dac: cio-dac: Fix max DAC write value check for 12-bit 
commit c3701185ee upstream.

The CIO-DAC series of devices only supports DAC values up to 12-bit
rather than 16-bit. Trying to write a 16-bit value results in only the
lower 12 bits affecting the DAC output which is not what the user
expects. Instead, adjust the DAC write value check to reject values
larger than 12-bit so that they fail explicitly as invalid for the user.

Fixes: 3b8df5fd52 ("iio: Add IIO support for the Measurement Computing CIO-DAC family")
Cc: stable@vger.kernel.org
Signed-off-by: William Breathitt Gray <william.gray@linaro.org>
Link: https://lore.kernel.org/r/20230311002248.8548-1-william.gray@linaro.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2023-04-13 16:55:27 +02:00
..
ad3552r.c iio:dac:ad3552r: Fix an IS_ERR() vs NULL check 2022-04-10 17:57:40 +01:00
ad5064.c iio: dac: ad5064: Fix alignment for DMA safety 2022-06-14 11:53:15 +01:00
ad5360.c iio: dac: ad5360: Fix alignment for DMA safety 2022-06-14 11:53:15 +01:00
ad5380.c i2c: Make remove callback return void 2022-08-16 12:46:26 +02:00
ad5421.c iio: dac: ad5421: Fix alignment for DMA safety 2022-06-14 11:53:15 +01:00
ad5446.c i2c: Make remove callback return void 2022-08-16 12:46:26 +02:00
ad5449.c iio: dac: ad5449: Fix alignment for DMA safety 2022-06-14 11:53:15 +01:00
ad5504.c iio: dac: ad5504: Fix alignment for DMA safety 2022-06-14 11:53:16 +01:00
ad5592r-base.c iio: dac: ad5592r: Get rid of OF specifics 2022-06-14 11:53:08 +01:00
ad5592r-base.h iio: dac: ad5592r: Fix alignment for DMA safety 2022-06-14 11:53:16 +01:00
ad5592r.c Char/Misc and other driver updates for 5.18-rc1 2022-03-28 12:27:35 -07:00
ad5593r.c Char/Misc and other driver changes for 6.1-rc1 2022-10-08 08:56:37 -07:00
ad5624r.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 177 2019-05-30 11:29:19 -07:00
ad5624r_spi.c iio: Replace strtobool() with kstrtobool() 2022-04-28 19:22:54 +01:00
ad5686-spi.c Char/Misc and other driver updates for 5.18-rc1 2022-03-28 12:27:35 -07:00
ad5686.c iio: Replace strtobool() with kstrtobool() 2022-04-28 19:22:54 +01:00
ad5686.h iio: dac: ad5686: Fix alignment for DMA safety 2022-06-14 11:53:16 +01:00
ad5696-i2c.c i2c: Make remove callback return void 2022-08-16 12:46:26 +02:00
ad5755.c iio: dac: ad5755: Fix alignment for DMA safety 2022-06-14 11:53:16 +01:00
ad5758.c iio:dac:ad5758: Drop unused of specific headers. 2021-12-12 17:12:34 +00:00
ad5761.c iio: dac: ad5761: Fix alignment for DMA safety 2022-06-14 11:53:16 +01:00
ad5764.c iio: dac: ad5764: Fix alignment for DMA safety 2022-06-14 11:53:16 +01:00
ad5766.c iio: dac: ad5766: Fix alignment for DMA safety 2022-06-14 11:53:16 +01:00
ad5770r.c iio: dac: ad5770r: Fix alignment for DMA safety 2022-06-14 11:53:16 +01:00
ad5791.c iio: dac: ad5791: Fix alignment for DMA saftey 2022-06-14 11:53:16 +01:00
ad7293.c iio: dac: ad7293: Fix alignment for DMA safety 2022-06-14 11:53:16 +01:00
ad7303.c iio: dac: ad7303: Fix alignment for DMA safety 2022-06-14 11:53:16 +01:00
ad8801.c iio: dac: ad8801: Fix alignment for DMA safety 2022-06-14 11:53:17 +01:00
cio-dac.c iio: dac: cio-dac: Fix max DAC write value check for 12-bit 2023-04-13 16:55:27 +02:00
dpot-dac.c iio:dac:dpot-dac: Swap of.h for mod_devicetable.h 2021-12-12 17:12:39 +00:00
ds4424.c i2c: Make remove callback return void 2022-08-16 12:46:26 +02:00
Kconfig iio: dac: ti-dac5571: add support for ti,dac121c081 2022-06-11 14:35:27 +01:00
lpc18xx_dac.c iio:dac:lpc18xx_dac: Swap from of* to mod_devicetable.h 2021-12-12 17:12:43 +00:00
ltc1660.c iio: dac: ltc1660: Switch to DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr() 2022-07-18 18:48:18 +01:00
ltc2632.c iio: dac: ltc2632: Make use of device properties 2022-04-28 19:34:10 +01:00
ltc2688.c iio: dac: ltc2688: Fix alignment for DMA safety 2022-06-14 11:53:17 +01:00
m62332.c i2c: Make remove callback return void 2022-08-16 12:46:26 +02:00
Makefile iio: dac: add support for ltc2688 2022-03-01 22:13:53 +00:00
max517.c iio: dac: max517: Switch to DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr() 2022-07-18 18:48:18 +01:00
max5821.c iio: dac: max5821: Switch to DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr() 2022-07-18 18:48:18 +01:00
mcp4725.c i2c: Make remove callback return void 2022-08-16 12:46:26 +02:00
mcp4922.c iio: dac: mcp4922: add support to mcp4921 2022-07-01 11:19:08 +01:00
stm32-dac-core.c iio:adc:stm32*: Use pm[_sleep]_ptr() etc to avoid need to make pm __maybe_unused 2022-02-21 19:33:04 +00:00
stm32-dac-core.h iio: stm32: Adopt SPDX identifier 2018-01-08 16:03:41 +01:00
stm32-dac.c iio: dac: stm32-dac: Replace open coded str_enable_disable() 2022-06-18 16:38:05 +01:00
ti-dac082s085.c iio: dac: ti-dac082s085: Fix alignment for DMA safety 2022-06-14 11:53:17 +01:00
ti-dac5571.c i2c: Make remove callback return void 2022-08-16 12:46:26 +02:00
ti-dac7311.c iio: dac: ti-dac7311: Fix alignment for DMA safety 2022-06-14 11:53:17 +01:00
ti-dac7612.c iio: dac: ti-dac7612: Fix alignment for DMA safety 2022-06-14 11:53:17 +01:00
vf610_dac.c iio: dac: vf610_dac: explicitly add proper header files 2022-06-14 11:53:20 +01:00