diff options
Diffstat (limited to 'drivers/media/video/ivtv/ivtv-audio.c')
-rw-r--r-- | drivers/media/video/ivtv/ivtv-audio.c | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/drivers/media/video/ivtv/ivtv-audio.c b/drivers/media/video/ivtv/ivtv-audio.c deleted file mode 100644 index 6cb65d69c986..000000000000 --- a/drivers/media/video/ivtv/ivtv-audio.c +++ /dev/null | |||
@@ -1,71 +0,0 @@ | |||
1 | /* | ||
2 | Audio-related ivtv functions. | ||
3 | Copyright (C) 2003-2004 Kevin Thayer <nufan_wfk at yahoo.com> | ||
4 | Copyright (C) 2005-2007 Hans Verkuil <hverkuil@xs4all.nl> | ||
5 | |||
6 | This program is free software; you can redistribute it and/or modify | ||
7 | it under the terms of the GNU General Public License as published by | ||
8 | the Free Software Foundation; either version 2 of the License, or | ||
9 | (at your option) any later version. | ||
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 | #include "ivtv-driver.h" | ||
22 | #include "ivtv-i2c.h" | ||
23 | #include "ivtv-cards.h" | ||
24 | #include "ivtv-audio.h" | ||
25 | #include <media/msp3400.h> | ||
26 | |||
27 | /* Selects the audio input and output according to the current | ||
28 | settings. */ | ||
29 | int ivtv_audio_set_io(struct ivtv *itv) | ||
30 | { | ||
31 | struct v4l2_routing route; | ||
32 | u32 audio_input; | ||
33 | int mux_input; | ||
34 | |||
35 | /* Determine which input to use */ | ||
36 | if (test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags)) { | ||
37 | audio_input = itv->card->radio_input.audio_input; | ||
38 | mux_input = itv->card->radio_input.muxer_input; | ||
39 | } else { | ||
40 | audio_input = itv->card->audio_inputs[itv->audio_input].audio_input; | ||
41 | mux_input = itv->card->audio_inputs[itv->audio_input].muxer_input; | ||
42 | } | ||
43 | |||
44 | /* handle muxer chips */ | ||
45 | route.input = mux_input; | ||
46 | route.output = 0; | ||
47 | ivtv_i2c_hw(itv, itv->card->hw_muxer, VIDIOC_INT_S_AUDIO_ROUTING, &route); | ||
48 | |||
49 | route.input = audio_input; | ||
50 | if (itv->card->hw_audio & IVTV_HW_MSP34XX) { | ||
51 | route.output = MSP_OUTPUT(MSP_SC_IN_DSP_SCART1); | ||
52 | } | ||
53 | return ivtv_i2c_hw(itv, itv->card->hw_audio, VIDIOC_INT_S_AUDIO_ROUTING, &route); | ||
54 | } | ||
55 | |||
56 | void ivtv_audio_set_route(struct ivtv *itv, struct v4l2_routing *route) | ||
57 | { | ||
58 | ivtv_i2c_hw(itv, itv->card->hw_audio, VIDIOC_INT_S_AUDIO_ROUTING, route); | ||
59 | } | ||
60 | |||
61 | void ivtv_audio_set_audio_clock_freq(struct ivtv *itv, u8 freq) | ||
62 | { | ||
63 | static u32 freqs[3] = { 44100, 48000, 32000 }; | ||
64 | |||
65 | /* The audio clock of the digitizer must match the codec sample | ||
66 | rate otherwise you get some very strange effects. */ | ||
67 | if (freq > 2) | ||
68 | return; | ||
69 | ivtv_call_i2c_clients(itv, VIDIOC_INT_AUDIO_CLOCK_FREQ, &freqs[freq]); | ||
70 | } | ||
71 | |||