media: tvp5150: add FORMAT_TRY support for get/set selection handlers

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Since commit 10d5509c8d ("[media] v4l2: remove g/s_crop from video ops")
the 'which' field for set/get_selection must be FORMAT_ACTIVE. There is
no way to try different selections. The patch adds a helper function to
select the correct selection memory space (sub-device file handle or
driver state) which will be set/returned.

The selection rectangle is updated if the format is FORMAT_ACTIVE and
the rectangle position and/or size differs from the current set
rectangle.

Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

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Marco Felsch 2020-03-12 11:31:48 +01:00 • committed by Mauro Carvalho Chehab

parent b4125e5b1b

commit 46fe6e7dce

1 changed files with 81 additions and 32 deletions

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drivers/media/i2c/tvp5150.c

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