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ec3ea54c JS |
1 | /* |
2 | * sound/soc/codecs/wm8782.c | |
3 | * simple, strap-pin configured 24bit 2ch ADC | |
4 | * | |
5 | * Copyright: 2011 Raumfeld GmbH | |
6 | * Author: Johannes Stezenbach <js@sig21.net> | |
7 | * | |
8 | * based on ad73311.c | |
9 | * Copyright: Analog Device Inc. | |
10 | * Author: Cliff Cai <cliff.cai@analog.com> | |
11 | * | |
12 | * This program is free software; you can redistribute it and/or modify it | |
13 | * under the terms of the GNU General Public License as published by the | |
14 | * Free Software Foundation; either version 2 of the License, or (at your | |
15 | * option) any later version. | |
16 | */ | |
17 | ||
18 | #include <linux/init.h> | |
19 | #include <linux/slab.h> | |
20 | #include <linux/module.h> | |
21 | #include <linux/kernel.h> | |
22 | #include <linux/device.h> | |
23 | #include <sound/core.h> | |
24 | #include <sound/pcm.h> | |
25 | #include <sound/ac97_codec.h> | |
26 | #include <sound/initval.h> | |
27 | #include <sound/soc.h> | |
28 | ||
226059e1 MB |
29 | static const struct snd_soc_dapm_widget wm8782_dapm_widgets[] = { |
30 | SND_SOC_DAPM_INPUT("AINL"), | |
31 | SND_SOC_DAPM_INPUT("AINR"), | |
32 | }; | |
33 | ||
34 | static const struct snd_soc_dapm_route wm8782_dapm_routes[] = { | |
35 | { "Capture", NULL, "AINL" }, | |
36 | { "Capture", NULL, "AINR" }, | |
37 | }; | |
38 | ||
ec3ea54c JS |
39 | static struct snd_soc_dai_driver wm8782_dai = { |
40 | .name = "wm8782", | |
41 | .capture = { | |
42 | .stream_name = "Capture", | |
43 | .channels_min = 2, | |
44 | .channels_max = 2, | |
45 | /* For configurations with FSAMPEN=0 */ | |
46 | .rates = SNDRV_PCM_RATE_8000_48000, | |
47 | .formats = SNDRV_PCM_FMTBIT_S16_LE | | |
48 | SNDRV_PCM_FMTBIT_S20_3LE | | |
49 | SNDRV_PCM_FMTBIT_S24_LE, | |
50 | }, | |
51 | }; | |
52 | ||
f802d6c0 | 53 | static const struct snd_soc_codec_driver soc_codec_dev_wm8782 = { |
f56531d0 KM |
54 | .component_driver = { |
55 | .dapm_widgets = wm8782_dapm_widgets, | |
56 | .num_dapm_widgets = ARRAY_SIZE(wm8782_dapm_widgets), | |
57 | .dapm_routes = wm8782_dapm_routes, | |
58 | .num_dapm_routes = ARRAY_SIZE(wm8782_dapm_routes), | |
59 | }, | |
226059e1 | 60 | }; |
ec3ea54c | 61 | |
7a79e94e | 62 | static int wm8782_probe(struct platform_device *pdev) |
ec3ea54c JS |
63 | { |
64 | return snd_soc_register_codec(&pdev->dev, | |
65 | &soc_codec_dev_wm8782, &wm8782_dai, 1); | |
66 | } | |
67 | ||
7a79e94e | 68 | static int wm8782_remove(struct platform_device *pdev) |
ec3ea54c JS |
69 | { |
70 | snd_soc_unregister_codec(&pdev->dev); | |
71 | return 0; | |
72 | } | |
73 | ||
74 | static struct platform_driver wm8782_codec_driver = { | |
75 | .driver = { | |
76 | .name = "wm8782", | |
ec3ea54c JS |
77 | }, |
78 | .probe = wm8782_probe, | |
7a79e94e | 79 | .remove = wm8782_remove, |
ec3ea54c JS |
80 | }; |
81 | ||
5bbcc3c0 | 82 | module_platform_driver(wm8782_codec_driver); |
ec3ea54c JS |
83 | |
84 | MODULE_DESCRIPTION("ASoC WM8782 driver"); | |
85 | MODULE_AUTHOR("Johannes Stezenbach <js@sig21.net>"); | |
86 | MODULE_LICENSE("GPL"); |