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media: v4l2-mem2mem: add v4l2_m2m_buf_copy_data helper function
authorHans Verkuil <hverkuil-cisco@xs4all.nl>
Tue, 13 Nov 2018 08:52:18 +0000 (03:52 -0500)
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>
Mon, 7 Jan 2019 18:15:36 +0000 (13:15 -0500)
commite2d8ffe2e76028457759988ba6216fd13eeea01b
treef82891b23fd68cbde4670c099674bbc7b001fd35tree | snapshot
parent5f5b4fa522e630cfa154c59ae7649b5568913f96commit | diff
media: v4l2-mem2mem: add v4l2_m2m_buf_copy_data helper function

Memory-to-memory devices should copy various parts of
struct v4l2_buffer from the output buffer to the capture buffer.

Add a helper function that does that to simplify the driver code.

Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Reviewed-by: Alexandre Courbot <acourbot@chromium.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
drivers/media/v4l2-core/v4l2-mem2mem.c diff | blob | history
include/media/v4l2-mem2mem.h diff | blob | history
Domain: System / Kernel;