tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
13#include <linux/init.h>
14#include <linux/slab.h>
15#include <linux/module.h>
16#include <linux/kernel.h>
17#include <linux/device.h>
18#include <sound/core.h>
19#include <sound/pcm.h>
20#include <sound/ac97_codec.h>
21#include <sound/initval.h>
22#include <sound/soc.h>
23
24#include "ad73311.h"
25
26static const struct snd_soc_dapm_widget ad73311_dapm_widgets[] = {
27SND_SOC_DAPM_INPUT("VINP"),
28SND_SOC_DAPM_INPUT("VINN"),
29SND_SOC_DAPM_OUTPUT("VOUTN"),
30SND_SOC_DAPM_OUTPUT("VOUTP"),
31};
32
33static const struct snd_soc_dapm_route ad73311_dapm_routes[] = {
34 { "Capture", NULL, "VINP" },
35 { "Capture", NULL, "VINN" },
36
37 { "VOUTN", NULL, "Playback" },
38 { "VOUTP", NULL, "Playback" },
39};
40
41static struct snd_soc_dai_driver ad73311_dai = {
42 .name = "ad73311-hifi",
43 .playback = {
44 .stream_name = "Playback",
45 .channels_min = 1,
46 .channels_max = 1,
47 .rates = SNDRV_PCM_RATE_8000,
48 .formats = SNDRV_PCM_FMTBIT_S16_LE, },
49 .capture = {
50 .stream_name = "Capture",
51 .channels_min = 1,
52 .channels_max = 1,
53 .rates = SNDRV_PCM_RATE_8000,
54 .formats = SNDRV_PCM_FMTBIT_S16_LE, },
55};
56
57static const struct snd_soc_component_driver soc_component_dev_ad73311 = {
58 .dapm_widgets = ad73311_dapm_widgets,
59 .num_dapm_widgets = ARRAY_SIZE(ad73311_dapm_widgets),
60 .dapm_routes = ad73311_dapm_routes,
61 .num_dapm_routes = ARRAY_SIZE(ad73311_dapm_routes),
62 .idle_bias_on = 1,
63 .use_pmdown_time = 1,
64 .endianness = 1,
65 .non_legacy_dai_naming = 1,
66};
67
68static int ad73311_probe(struct platform_device *pdev)
69{
70 return devm_snd_soc_register_component(&pdev->dev,
71 &soc_component_dev_ad73311, &ad73311_dai, 1);
72}
73
74static struct platform_driver ad73311_codec_driver = {
75 .driver = {
76 .name = "ad73311",
77 },
78
79 .probe = ad73311_probe,
80};
81
82module_platform_driver(ad73311_codec_driver);
83
84MODULE_DESCRIPTION("ASoC ad73311 driver");
85MODULE_AUTHOR("Cliff Cai ");
86MODULE_LICENSE("GPL");