1 | // SPDX-License-Identifier: GPL-2.0-only |
---|---|
2 | /* |
3 | * |
4 | * Copyright (C) 2005 Mike Isely <isely@pobox.com> |
5 | * Copyright (C) 2004 Aurelien Alleaume <slts@free.fr> |
6 | */ |
7 | |
8 | /* |
9 | |
10 | This source file is specifically designed to interface with the |
11 | wm8775. |
12 | |
13 | */ |
14 | |
15 | #include "pvrusb2-wm8775.h" |
16 | |
17 | |
18 | #include "pvrusb2-hdw-internal.h" |
19 | #include "pvrusb2-debug.h" |
20 | #include <linux/videodev2.h> |
21 | #include <media/v4l2-common.h> |
22 | #include <linux/errno.h> |
23 | |
24 | void pvr2_wm8775_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd) |
25 | { |
26 | if (hdw->input_dirty || hdw->force_dirty) { |
27 | u32 input; |
28 | |
29 | switch (hdw->input_val) { |
30 | case PVR2_CVAL_INPUT_RADIO: |
31 | input = 1; |
32 | break; |
33 | default: |
34 | /* All other cases just use the second input */ |
35 | input = 2; |
36 | break; |
37 | } |
38 | pvr2_trace(PVR2_TRACE_CHIPS, "subdev wm8775 set_input(val=%d route=0x%x)", |
39 | hdw->input_val, input); |
40 | |
41 | sd->ops->audio->s_routing(sd, input, 0, 0); |
42 | } |
43 | } |
44 |