media: i2c: max9286: Cache channel amplitude

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Cache the current channel amplitude in a driver variable
to skip updating it if the newly requested value is the same
as the currently configured one.

Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

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Jacopo Mondi 2021-06-16 14:46:04 +02:00 • committed by Mauro Carvalho Chehab

parent f78723eb62

commit 902edc2a1c

1 changed files with 10 additions and 3 deletions

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drivers/media/i2c/max9286.c

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