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Diffstat (limited to 'drivers/media/video/cx18/cx18-video.c')
-rw-r--r--drivers/media/video/cx18/cx18-video.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/drivers/media/video/cx18/cx18-video.c b/drivers/media/video/cx18/cx18-video.c
new file mode 100644
index 000000000000..2e5c41939330
--- /dev/null
+++ b/drivers/media/video/cx18/cx18-video.c
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1/*
2 * cx18 video interface functions
3 *
4 * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
19 * 02111-1307 USA
20 */
21
22#include "cx18-driver.h"
23#include "cx18-video.h"
24#include "cx18-av-core.h"
25#include "cx18-cards.h"
26
27void cx18_video_set_io(struct cx18 *cx)
28{
29 struct v4l2_routing route;
30 int inp = cx->active_input;
31 u32 type;
32
33 route.input = cx->card->video_inputs[inp].video_input;
34 route.output = 0;
35 cx18_av_cmd(cx, VIDIOC_INT_S_VIDEO_ROUTING, &route);
36
37 type = cx->card->video_inputs[inp].video_type;
38
39 if (type == CX18_CARD_INPUT_VID_TUNER)
40 route.input = 0; /* Tuner */
41 else if (type < CX18_CARD_INPUT_COMPOSITE1)
42 route.input = 2; /* S-Video */
43 else
44 route.input = 1; /* Composite */
45}