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| author | Hans Verkuil <hverkuil@xs4all.nl> | 2009-03-06 17:43:12 +0100 |
|---|---|---|
| committer | Hans Verkuil <hverkuil@xs4all.nl> | 2009-03-06 17:43:12 +0100 |
| commit | eb8b7bf49ccc32d335f2b934431aeb5fc24220c2 (patch) | |
| tree | 685897c523df17cffcae95d9d368d31a58dba25d /v4l/compat.h | |
| parent | 706b9e26b99f3461c34fd3a397d73e0a0d60aafb (diff) | |
| download | mediapointer-dvb-s2-eb8b7bf49ccc32d335f2b934431aeb5fc24220c2.tar.gz mediapointer-dvb-s2-eb8b7bf49ccc32d335f2b934431aeb5fc24220c2.tar.bz2 | |
v4l/compat.h: add clamp_val
From: Hans Verkuil <hverkuil@xs4all.nl>
Priority: normal
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Diffstat (limited to 'v4l/compat.h')
| -rw-r--r-- | v4l/compat.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/v4l/compat.h b/v4l/compat.h index 3df844c87..16ff90bc4 100644 --- a/v4l/compat.h +++ b/v4l/compat.h @@ -238,6 +238,12 @@ static inline int list_is_singular(const struct list_head *head) min_t( __typeof__( x ), \ ( h ), \ ( x ) ) ) +#define clamp_val(val, min, max) ({ \ + typeof(val) __val = (val); \ + typeof(val) __min = (min); \ + typeof(val) __max = (max); \ + __val = __val < __min ? __min : __val; \ + __val > __max ? __max : __val; }) #endif #ifdef NEED_ALGO_CONTROL |