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| author | Helen Koike <helen.koike@collabora.com> | 2020-03-16 22:00:44 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2020-04-21 17:01:49 +0200 |
| commit | e4b0326c4d706fa9cb844878595b55c82f8a4701 (patch) | |
| tree | 8d9b9f1720c81f2ca1041f0b6b540746afba4fe9 /drivers/staging/media/rkisp1/rkisp1-common.h | |
| parent | 60e915354c27035717d95af4465cfa1b42b9240a (diff) | |
| download | linux-e4b0326c4d706fa9cb844878595b55c82f8a4701.tar.bz2 | |
media: staging: rkisp1: cap: serialize start/stop stream
In order to support simultaneous streaming from both capture devices,
start/stop vb2 calls need to be serialized to allow multiple concurrent
calls.
Signed-off-by: Helen Koike <helen.koike@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Diffstat (limited to 'drivers/staging/media/rkisp1/rkisp1-common.h')
| -rw-r--r-- | drivers/staging/media/rkisp1/rkisp1-common.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/staging/media/rkisp1/rkisp1-common.h b/drivers/staging/media/rkisp1/rkisp1-common.h index ccf4bb0deb02..5d2c3187871d 100644 --- a/drivers/staging/media/rkisp1/rkisp1-common.h +++ b/drivers/staging/media/rkisp1/rkisp1-common.h @@ -240,6 +240,7 @@ struct rkisp1_debug { * @rkisp1_capture: capture video device * @stats: ISP statistics output device * @params: ISP input parameters device + * @stream_lock: lock to serialize start/stop streaming in capture devices. */ struct rkisp1_device { void __iomem *base_addr; @@ -259,6 +260,7 @@ struct rkisp1_device { struct rkisp1_params params; struct media_pipeline pipe; struct vb2_alloc_ctx *alloc_ctx; + struct mutex stream_lock; struct rkisp1_debug debug; }; |