iio: cros_ec: Report hwfifo_watermark_max

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Report the maximum amount of sample the EC can hold.
This is not tunable, but can be useful for application to find out the
maximum amount of time it can sleep when hwfifo_timeout is set to a
large number.

Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>

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Gwendal Grignou 2020-03-27 15:34:41 -07:00 • committed by Enric Balletbo i Serra

parent 6562793b55

commit cb87556068

2 changed files with 34 additions and 2 deletions

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33

drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c

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3

include/linux/iio/common/cros_ec_sensors_core.h

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