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authorLinus Torvalds <torvalds@linux-foundation.org>2008-10-13 13:06:58 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-13 13:06:58 -0400
commitbe3bfbba8f7f6c8f32e8444ef895433701a3f801 (patch)
treedfd00be7d15dbf8353f188f2505426411cb18d06 /sound/soc/codecs/ad73311.c
parent20272c8994cf1e1f8ed745a2ea161dd9ad3889f2 (diff)
parent7dc85076f83253fcffae99e6d5e6ce77840f8841 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: (33 commits) ALSA: ASoC codec: remove unused #include <version.h> ALSA: ASoC: update email address for Liam Girdwood ALSA: hda: corrected invalid mixer values ALSA: hda: add mixers for analog mixer on 92hd75xx codecs ALSA: ASoC: Add destination and source port for DMA on OMAP1 ALSA: ASoC: Drop device registration from GTA01 lm4857 driver ALSA: ASoC: Fix build of GTA01 audio driver ALSA: ASoC: Add widgets before setting endpoints on GTA01 ALSA: ASoC: Fix inverted input PGA mute bits in WM8903 ALSA: ASoC: OMAP: Set DMA stream name at runtime in McBSP DAI driver ALSA: ASoC: OMAP: Add support for OMAP2430 and OMAP34xx in McBSP DAI driver ALSA: ASoC: OMAP: Add multilink support to McBSP DAI driver ALSA: ASoC: Make TLV320AIC26 user-visible ALSA: ASoC - clean up Kconfig for TLV320AIC2 ALSA: ASoC: Make WM8510 microphone input a DAPM mixer ALSA: ASoC: Implement WM8510 bias level control ALSA: ASoC: Remove unused AUDIO_NAME define from codec drivers ALSA: ASoC: tlv320aic3x: Use uniform tlv320aic naming ALSA: ASoC: Add WM8510 SPI support ALSA: ASoC: Add WM8753 SPI support ...
Diffstat (limited to 'sound/soc/codecs/ad73311.c')
-rw-r--r--sound/soc/codecs/ad73311.c107
1 files changed, 107 insertions, 0 deletions
diff --git a/sound/soc/codecs/ad73311.c b/sound/soc/codecs/ad73311.c
new file mode 100644
index 000000000000..37af8607b00a
--- /dev/null
+++ b/sound/soc/codecs/ad73311.c
@@ -0,0 +1,107 @@
1/*
2 * ad73311.c -- ALSA Soc AD73311 codec support
3 *
4 * Copyright: Analog Device Inc.
5 * Author: Cliff Cai <cliff.cai@analog.com>
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the
9 * Free Software Foundation; either version 2 of the License, or (at your
10 * option) any later version.
11 *
12 * Revision history
13 * 25th Sep 2008 Initial version.
14 */
15
16#include <linux/init.h>
17#include <linux/module.h>
18#include <linux/version.h>
19#include <linux/kernel.h>
20#include <linux/device.h>
21#include <sound/core.h>
22#include <sound/pcm.h>
23#include <sound/ac97_codec.h>
24#include <sound/initval.h>
25#include <sound/soc.h>
26
27#include "ad73311.h"
28
29struct snd_soc_dai ad73311_dai = {
30 .name = "AD73311",
31 .playback = {
32 .stream_name = "Playback",
33 .channels_min = 1,
34 .channels_max = 1,
35 .rates = SNDRV_PCM_RATE_8000,
36 .formats = SNDRV_PCM_FMTBIT_S16_LE, },
37 .capture = {
38 .stream_name = "Capture",
39 .channels_min = 1,
40 .channels_max = 1,
41 .rates = SNDRV_PCM_RATE_8000,
42 .formats = SNDRV_PCM_FMTBIT_S16_LE, },
43};
44EXPORT_SYMBOL_GPL(ad73311_dai);
45
46static int ad73311_soc_probe(struct platform_device *pdev)
47{
48 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
49 struct snd_soc_codec *codec;
50 int ret = 0;
51
52 codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
53 if (codec == NULL)
54 return -ENOMEM;
55 mutex_init(&codec->mutex);
56 codec->name = "AD73311";
57 codec->owner = THIS_MODULE;
58 codec->dai = &ad73311_dai;
59 codec->num_dai = 1;
60 socdev->codec = codec;
61 INIT_LIST_HEAD(&codec->dapm_widgets);
62 INIT_LIST_HEAD(&codec->dapm_paths);
63
64 /* register pcms */
65 ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
66 if (ret < 0) {
67 printk(KERN_ERR "ad73311: failed to create pcms\n");
68 goto pcm_err;
69 }
70
71 ret = snd_soc_register_card(socdev);
72 if (ret < 0) {
73 printk(KERN_ERR "ad73311: failed to register card\n");
74 goto register_err;
75 }
76
77 return ret;
78
79register_err:
80 snd_soc_free_pcms(socdev);
81pcm_err:
82 kfree(socdev->codec);
83 socdev->codec = NULL;
84 return ret;
85}
86
87static int ad73311_soc_remove(struct platform_device *pdev)
88{
89 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
90 struct snd_soc_codec *codec = socdev->codec;
91
92 if (codec == NULL)
93 return 0;
94 snd_soc_free_pcms(socdev);
95 kfree(codec);
96 return 0;
97}
98
99struct snd_soc_codec_device soc_codec_dev_ad73311 = {
100 .probe = ad73311_soc_probe,
101 .remove = ad73311_soc_remove,
102};
103EXPORT_SYMBOL_GPL(soc_codec_dev_ad73311);
104
105MODULE_DESCRIPTION("ASoC ad73311 driver");
106MODULE_AUTHOR("Cliff Cai ");
107MODULE_LICENSE("GPL");