iio: sx9310: Support hardware gain factor

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Add support to set the hardware gain of the channels as a multiplier of
2x, 4x, or 8x.

Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Cc: Daniel Campello <campello@chromium.org>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Cc: Peter Meerwald-Stadler <pmeerw@pmeerw.net>
Cc: Douglas Anderson <dianders@chromium.org>
Cc: Gwendal Grignou <gwendal@chromium.org>
Cc: Evan Green <evgreen@chromium.org>
Link: https://lore.kernel.org/r/20201007011735.1346994-2-swboyd@chromium.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

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Stephen Boyd 2020-10-06 18:17:30 -07:00 • committed by Jonathan Cameron

parent 324b9f2987

commit 227c83faa2

1 changed files with 104 additions and 5 deletions

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109

drivers/iio/proximity/sx9310.c

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