iio: adc: mcp3911: add support for interrupts

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Make it possible to read values upon interrupts.
Configure Data Ready Signal Output Pin to either HiZ or push-pull and
use it as interrupt source.

Signed-off-by: Marcus Folkesson <marcus.folkesson@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20220815061625.35568-7-marcus.folkesson@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

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Marcus Folkesson 2022-08-15 08:16:22 +02:00 • committed by Jonathan Cameron

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commit 08a65f61db

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drivers/iio/adc/mcp3911.c

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