media: v4l2-mem2mem: add v4l2_m2m_suspend, v4l2_m2m_resume

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Add two functions that can be used to stop new jobs from being queued /
continue running queued job. This can be used while a driver using m2m
helper is going to suspend / wake up from resume, and can ensure that
there's no job running in suspend process.

Signed-off-by: Pi-Hsun Shih <pihsun@chromium.org>
Signed-off-by: Jerry-ch Chen <jerry-ch.chen@mediatek.corp-partner.google.com>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

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Pi-Hsun Shih 2020-08-14 09:11:40 +02:00 • committed by Mauro Carvalho Chehab

parent 1847f68e39

commit 911ea8ec42

2 changed files with 63 additions and 0 deletions

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41

drivers/media/v4l2-core/v4l2-mem2mem.c

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22

include/media/v4l2-mem2mem.h

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