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iio: adc: ad7192: Add sysfs ABI documentation

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Add initial ABI documentation for ad7192 adc sysfs interfaces.

Signed-off-by: Mircea Caprioru <mircea.caprioru@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Mircea Caprioru 2019-09-02 16:08:28 +03:00 committed by Jonathan Cameron
parent f6897deef4
commit b73b93a2af
1 changed files with 15 additions and 0 deletions
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Documentation/ABI/testing/sysfs-bus-iio-adc-ad7192 Normal file
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What: /sys/bus/iio/devices/iio:deviceX/ac_excitation_en
KernelVersion:
Contact: linux-iio@vger.kernel.org
Description:
Reading gives the state of AC excitation.
Writing '1' enables AC excitation.
What: /sys/bus/iio/devices/iio:deviceX/bridge_switch_en
KernelVersion:
Contact: linux-iio@vger.kernel.org
Description:
This bridge switch is used to disconnect it when there is a
need to minimize the system current consumption.
Reading gives the state of the bridge switch.
Writing '1' enables the bridge switch.