OpenCloudOS-Kernel/drivers/media/video/cx18/cx18-video.c

46 lines
1.4 KiB
C

/*
* cx18 video interface functions
*
* Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
* 02111-1307 USA
*/
#include "cx18-driver.h"
#include "cx18-video.h"
#include "cx18-av-core.h"
#include "cx18-cards.h"
void cx18_video_set_io(struct cx18 *cx)
{
struct v4l2_routing route;
int inp = cx->active_input;
u32 type;
route.input = cx->card->video_inputs[inp].video_input;
route.output = 0;
cx18_av_cmd(cx, VIDIOC_INT_S_VIDEO_ROUTING, &route);
type = cx->card->video_inputs[inp].video_type;
if (type == CX18_CARD_INPUT_VID_TUNER)
route.input = 0; /* Tuner */
else if (type < CX18_CARD_INPUT_COMPOSITE1)
route.input = 2; /* S-Video */
else
route.input = 1; /* Composite */
}