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authorHans Verkuil <hverkuil@xs4all.nl>2007-03-11 10:54:11 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2007-04-27 15:44:34 -0300
commit6816b1991fd4bcb457c9534e8136476e45bfee0a (patch)
treeeb705ee8377db005524ac4c6c78134cb7b7652b0 /include/linux/dvb/video.h
parent3700a90f05f316948328e8d0e6a9955338a96565 (diff)
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V4L/DVB (5419): Add comment how the speed field is interpreted.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'include/linux/dvb/video.h')
-rw-r--r--include/linux/dvb/video.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/dvb/video.h b/include/linux/dvb/video.h
index 4c31491..93e4c3a 100644
--- a/include/linux/dvb/video.h
+++ b/include/linux/dvb/video.h
@@ -110,6 +110,11 @@ struct video_command {
} stop;
struct {
+ /* 0 or 1000 specifies normal speed,
+ 1 specifies forward single stepping,
+ -1 specifies backward single stepping,
+ >1: playback at speed/1000 of the normal speed,
+ <-1: reverse playback at (-speed/1000) of the normal speed. */
__s32 speed;
__u32 format;
} play;