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V4L/DVB (5419): Add comment how the speed field is interpreted.
author
Hans Verkuil
<hverkuil@xs4all.nl>
Sun, 11 Mar 2007 13:54:11 +0000
(10:54 -0300)
committer
Mauro Carvalho Chehab
<mchehab@infradead.org>
Fri, 27 Apr 2007 18:44:34 +0000
(15:44 -0300)
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
include/linux/dvb/video.h
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diff --git
a/include/linux/dvb/video.h
b/include/linux/dvb/video.h
index
4c31491
..
93e4c3a
100644
(file)
--- 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;