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-rw-r--r--v4l/compat.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/v4l/compat.h b/v4l/compat.h
index 01847a319..49b04961f 100644
--- a/v4l/compat.h
+++ b/v4l/compat.h
@@ -554,6 +554,13 @@ static inline struct proc_dir_entry *proc_create(const char *a,
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 26)
#define div64_u64(a,b) div64_64(a,b)
+
+#define clamp( x, l, h ) max_t( __typeof__( x ), \
+ ( l ), \
+ min_t( __typeof__( x ), \
+ ( h ), \
+ ( x ) ) )
+
#endif
#endif