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 
38 void 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