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9ca39411f9
linux/drivers/iio/amplifiers
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Chuhong Yuan 9ca39411f9 iio: amplifiers: ad8366: Change devm_gpiod_get() to optional and add the missed check 
Since if there is no GPIO, nothing happens, replace devm_gpiod_get()
with devm_gpiod_get_optional().
Also add IS_ERR() to fix the missing-check warning.

Fixes: cee211f4e5 ("iio: amplifiers: ad8366: Add support for the ADA4961 DGA")
Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Acked-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-06-14 11:49:55 +01:00
..
ad8366.c iio: amplifiers: ad8366: Change devm_gpiod_get() to optional and add the missed check 2020-06-14 11:49:55 +01:00
hmc425a.c iio: amplifiers: hmc425a: Add support for HMC425A attenuator 2020-03-08 17:28:21 +00:00
Kconfig iio: amplifiers: hmc425a: Add support for HMC425A attenuator 2020-03-08 17:28:21 +00:00
Makefile iio: amplifiers: hmc425a: Add support for HMC425A attenuator 2020-03-08 17:28:21 +00:00