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V4L/DVB (5419): Add comment how the speed field is interpreted.

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Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Hans Verkuil 2007-03-11 10:54:11 -03:00 committed by Mauro Carvalho Chehab
parent 3700a90f05
commit 6816b1991f
1 changed files with 5 additions and 0 deletions
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5
include/linux/dvb/video.h
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@ -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;