media: rcar-vin: Add control for alpha component

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In preparation to adding support for RGB pixel formats with an alpha
component add a control to allow the user to control which alpha value
should be used.

Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

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Niklas Söderlund 2019-07-04 13:16:00 -04:00 • committed by Mauro Carvalho Chehab

parent 19ab1f649c

commit 5720c7331f

3 changed files with 61 additions and 2 deletions

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53

drivers/media/platform/rcar-vin/rcar-core.c

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5

drivers/media/platform/rcar-vin/rcar-dma.c

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5

drivers/media/platform/rcar-vin/rcar-vin.h

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