1/*
2 *
3 *
4 *  Copyright (C) 2005 Mike Isely <isely@pobox.com>
5 *  Copyright (C) 2004 Aurelien Alleaume <slts@free.fr>
6 *
7 *  This program is free software; you can redistribute it and/or modify
8 *  it under the terms of the GNU General Public License as published by
9 *  the Free Software Foundation; either version 2 of the License
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  02111-1307  USA
19 *
20 */
21
22/*
23
24   This source file is specifically designed to interface with the
25   wm8775.
26
27*/
28
29#include "pvrusb2-wm8775.h"
30
31
32#include "pvrusb2-hdw-internal.h"
33#include "pvrusb2-debug.h"
34#include <linux/videodev2.h>
35#include <media/v4l2-common.h>
36#include <linux/errno.h>
37
38void pvr2_wm8775_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd)
39{
40	if (hdw->input_dirty || hdw->force_dirty) {
41		u32 input;
42
43		switch (hdw->input_val) {
44		case PVR2_CVAL_INPUT_RADIO:
45			input = 1;
46			break;
47		default:
48			/* All other cases just use the second input */
49			input = 2;
50			break;
51		}
52		pvr2_trace(PVR2_TRACE_CHIPS, "subdev wm8775"
53			   " set_input(val=%d route=0x%x)",
54			   hdw->input_val, input);
55
56		sd->ops->audio->s_routing(sd, input, 0, 0);
57	}
58}
59