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| author | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-07-20 09:36:07 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-07-20 09:36:07 -0300 |
| commit | 7abbab1a9801ad11729cc746653a909972548502 (patch) | |
| tree | 232a3bbdbf4c48b602848b9b0031b79e734fc599 /linux/include/media/v4l2-common.h | |
| parent | ec810366b1dc73c6e1e9251b2bf21135e42d9fc7 (diff) | |
| parent | 619f91291de90dbff3aaafdf29a3886757eda34f (diff) | |
| download | mediapointer-dvb-s2-7abbab1a9801ad11729cc746653a909972548502.tar.gz mediapointer-dvb-s2-7abbab1a9801ad11729cc746653a909972548502.tar.bz2 | |
merge: http://www.linuxtv.org/hg/~hverkuil/v4l-dvb-videodev2
From: Mauro Carvalho Chehab <mchehab@infradead.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'linux/include/media/v4l2-common.h')
| -rw-r--r-- | linux/include/media/v4l2-common.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/linux/include/media/v4l2-common.h b/linux/include/media/v4l2-common.h index 020d05758..8bbb526a5 100644 --- a/linux/include/media/v4l2-common.h +++ b/linux/include/media/v4l2-common.h @@ -79,6 +79,21 @@ /* ------------------------------------------------------------------------- */ +/* Priority helper functions */ + +struct v4l2_prio_state { + atomic_t prios[4]; +}; +int v4l2_prio_init(struct v4l2_prio_state *global); +int v4l2_prio_change(struct v4l2_prio_state *global, enum v4l2_priority *local, + enum v4l2_priority new); +int v4l2_prio_open(struct v4l2_prio_state *global, enum v4l2_priority *local); +int v4l2_prio_close(struct v4l2_prio_state *global, enum v4l2_priority *local); +enum v4l2_priority v4l2_prio_max(struct v4l2_prio_state *global); +int v4l2_prio_check(struct v4l2_prio_state *global, enum v4l2_priority *local); + +/* ------------------------------------------------------------------------- */ + /* Control helper functions */ int v4l2_ctrl_check(struct v4l2_ext_control *ctrl, struct v4l2_queryctrl *qctrl, |