xref: /linux/sound/soc/codecs/pcm5102a.c (revision cc1e6315e83db0e517dd9279050b88adc83a7eba)
1 /*
2  * Driver for the PCM5102A codec
3  *
4  * Author:	Florian Meier <florian.meier@koalo.de>
5  *		Copyright 2013
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License
9  * version 2 as published by the Free Software Foundation.
10  *
11  * This program is distributed in the hope that it will be useful, but
12  * WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * General Public License for more details.
15  */
16 
17 #include <linux/init.h>
18 #include <linux/module.h>
19 #include <linux/platform_device.h>
20 
21 #include <sound/soc.h>
22 
23 static struct snd_soc_dai_driver pcm5102a_dai = {
24 	.name = "pcm5102a-hifi",
25 	.playback = {
26 		.channels_min = 2,
27 		.channels_max = 2,
28 		.rates = SNDRV_PCM_RATE_8000_192000,
29 		.formats = SNDRV_PCM_FMTBIT_S16_LE |
30 			   SNDRV_PCM_FMTBIT_S24_LE |
31 			   SNDRV_PCM_FMTBIT_S32_LE
32 	},
33 };
34 
35 static struct snd_soc_component_driver soc_component_dev_pcm5102a = {
36 	.idle_bias_on		= 1,
37 	.use_pmdown_time	= 1,
38 	.endianness		= 1,
39 	.non_legacy_dai_naming	= 1,
40 };
41 
42 static int pcm5102a_probe(struct platform_device *pdev)
43 {
44 	return devm_snd_soc_register_component(&pdev->dev, &soc_component_dev_pcm5102a,
45 			&pcm5102a_dai, 1);
46 }
47 
48 static const struct of_device_id pcm5102a_of_match[] = {
49 	{ .compatible = "ti,pcm5102a", },
50 	{ }
51 };
52 MODULE_DEVICE_TABLE(of, pcm5102a_of_match);
53 
54 static struct platform_driver pcm5102a_codec_driver = {
55 	.probe		= pcm5102a_probe,
56 	.driver		= {
57 		.name	= "pcm5102a-codec",
58 		.of_match_table = pcm5102a_of_match,
59 	},
60 };
61 
62 module_platform_driver(pcm5102a_codec_driver);
63 
64 MODULE_DESCRIPTION("ASoC PCM5102A codec driver");
65 MODULE_AUTHOR("Florian Meier <florian.meier@koalo.de>");
66 MODULE_LICENSE("GPL v2");
67