xref: /linux/sound/soc/codecs/ad73311.c (revision 4f2c0a4acffbec01079c28f839422e64ddeff004)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * ad73311.c  --  ALSA Soc AD73311 codec support
4  *
5  * Copyright:	Analog Devices Inc.
6  * Author:	Cliff Cai <cliff.cai@analog.com>
7  */
8 
9 #include <linux/init.h>
10 #include <linux/slab.h>
11 #include <linux/module.h>
12 #include <linux/kernel.h>
13 #include <linux/device.h>
14 #include <sound/core.h>
15 #include <sound/pcm.h>
16 #include <sound/ac97_codec.h>
17 #include <sound/initval.h>
18 #include <sound/soc.h>
19 
20 #include "ad73311.h"
21 
22 static const struct snd_soc_dapm_widget ad73311_dapm_widgets[] = {
23 SND_SOC_DAPM_INPUT("VINP"),
24 SND_SOC_DAPM_INPUT("VINN"),
25 SND_SOC_DAPM_OUTPUT("VOUTN"),
26 SND_SOC_DAPM_OUTPUT("VOUTP"),
27 };
28 
29 static const struct snd_soc_dapm_route ad73311_dapm_routes[] = {
30 	{ "Capture", NULL, "VINP" },
31 	{ "Capture", NULL, "VINN" },
32 
33 	{ "VOUTN", NULL, "Playback" },
34 	{ "VOUTP", NULL, "Playback" },
35 };
36 
37 static struct snd_soc_dai_driver ad73311_dai = {
38 	.name = "ad73311-hifi",
39 	.playback = {
40 		.stream_name = "Playback",
41 		.channels_min = 1,
42 		.channels_max = 1,
43 		.rates = SNDRV_PCM_RATE_8000,
44 		.formats = SNDRV_PCM_FMTBIT_S16_LE, },
45 	.capture = {
46 		.stream_name = "Capture",
47 		.channels_min = 1,
48 		.channels_max = 1,
49 		.rates = SNDRV_PCM_RATE_8000,
50 		.formats = SNDRV_PCM_FMTBIT_S16_LE, },
51 };
52 
53 static const struct snd_soc_component_driver soc_component_dev_ad73311 = {
54 	.dapm_widgets		= ad73311_dapm_widgets,
55 	.num_dapm_widgets	= ARRAY_SIZE(ad73311_dapm_widgets),
56 	.dapm_routes		= ad73311_dapm_routes,
57 	.num_dapm_routes	= ARRAY_SIZE(ad73311_dapm_routes),
58 	.idle_bias_on		= 1,
59 	.use_pmdown_time	= 1,
60 	.endianness		= 1,
61 };
62 
ad73311_probe(struct platform_device * pdev)63 static int ad73311_probe(struct platform_device *pdev)
64 {
65 	return devm_snd_soc_register_component(&pdev->dev,
66 			&soc_component_dev_ad73311, &ad73311_dai, 1);
67 }
68 
69 static struct platform_driver ad73311_codec_driver = {
70 	.driver = {
71 			.name = "ad73311",
72 	},
73 
74 	.probe = ad73311_probe,
75 };
76 
77 module_platform_driver(ad73311_codec_driver);
78 
79 MODULE_DESCRIPTION("ASoC ad73311 driver");
80 MODULE_AUTHOR("Cliff Cai ");
81 MODULE_LICENSE("GPL");
82