V4L/DVB (3607): Implement routing command for saa7115.c (1f8f5fa9) · Commits · e / devices / android_kernel_xiaomi_markw

drivers/media/video/saa7115.c

+41 −0

Original line number	Diff line number	Diff line
		@@ -40,6 +40,7 @@
		#include <linux/i2c.h>
		#include <linux/videodev2.h>
		#include <media/v4l2-common.h>
		#include <media/saa7115.h>
		#include <asm/div64.h>

		MODULE_DESCRIPTION("Philips SAA7113/SAA7114/SAA7115 video decoder driver");
		@@ -1180,6 +1181,46 @@ static int saa7115_command(struct i2c_client client, unsigned int cmd, void ar
		state->radio = 1;
		break;

		case VIDIOC_INT_G_VIDEO_ROUTING:
		{
		struct v4l2_routing *route = arg;

		route->input = state->input;
		route->output = 0;
		break;
		}

		case VIDIOC_INT_S_VIDEO_ROUTING:
		{
		struct v4l2_routing *route = arg;

		v4l_dbg(1, debug, client, "decoder set input %d\n", route->input);
		/* saa7113 does not have these inputs */
		if (state->ident == V4L2_IDENT_SAA7113 &&
		(route->input == SAA7115_COMPOSITE4 \|\|
		route->input == SAA7115_COMPOSITE5)) {
		return -EINVAL;
		}
		if (route->input > SAA7115_SVIDEO3)
		return -EINVAL;
		if (state->input == route->input)
		break;
		v4l_dbg(1, debug, client, "now setting %s input\n",
		(route->input >= SAA7115_SVIDEO0) ? "S-Video" : "Composite");
		state->input = route->input;

		/* select mode */
		saa7115_write(client, 0x02,
		(saa7115_read(client, 0x02) & 0xf0) \|
		state->input);

		/* bypass chrominance trap for S-Video modes */
		saa7115_write(client, 0x09,
		(saa7115_read(client, 0x09) & 0x7f) \|
		(state->input >= SAA7115_SVIDEO0 ? 0x80 : 0x0));
		break;
		}

		case VIDIOC_G_INPUT:
		(int )arg = state->input;
		break;

0 → 100644

+37 −0

Original line number	Diff line number	Diff line
		/*
		saa7115.h - definition for saa7113/4/5 inputs

		Copyright (C) 2006 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., 675 Mass Ave, Cambridge, MA 02139, USA.
		*/

		#ifndef _SAA7115_H_
		#define _SAA7115_H_

		/* SAA7113/4/5 HW inputs */
		#define SAA7115_COMPOSITE0 0
		#define SAA7115_COMPOSITE1 1
		#define SAA7115_COMPOSITE2 2
		#define SAA7115_COMPOSITE3 3
		#define SAA7115_COMPOSITE4 4 /* not available for the saa7113 */
		#define SAA7115_COMPOSITE5 5 /* not available for the saa7113 */
		#define SAA7115_SVIDEO0 6
		#define SAA7115_SVIDEO1 7
		#define SAA7115_SVIDEO2 8
		#define SAA7115_SVIDEO3 9

		#endif