From 6816b1991fd4bcb457c9534e8136476e45bfee0a Mon Sep 17 00:00:00 2001
From: Hans Verkuil <hverkuil@xs4all.nl>
Date: Sun, 11 Mar 2007 10:54:11 -0300
Subject: [PATCH] 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>
---
include/linux/dvb/video.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/include/linux/dvb/video.h b/include/linux/dvb/video.h
index 4c314914339f1..93e4c3a6d1903 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;
--
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