diff options
-rw-r--r-- | sound/soc/codecs/Kconfig | 3 | ||||
-rw-r--r-- | sound/soc/codecs/Makefile | 2 | ||||
-rw-r--r-- | sound/soc/codecs/dmic.c | 81 |
3 files changed, 86 insertions, 0 deletions
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index 0f33db2be25a..f6c6d316ac67 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig | |||
@@ -166,6 +166,9 @@ config SND_SOC_L3 | |||
166 | config SND_SOC_DA7210 | 166 | config SND_SOC_DA7210 |
167 | tristate | 167 | tristate |
168 | 168 | ||
169 | config SND_SOC_DMIC | ||
170 | tristate | ||
171 | |||
169 | config SND_SOC_MAX98088 | 172 | config SND_SOC_MAX98088 |
170 | tristate | 173 | tristate |
171 | 174 | ||
diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile index 10e5e099334a..9139cf95ff70 100644 --- a/sound/soc/codecs/Makefile +++ b/sound/soc/codecs/Makefile | |||
@@ -14,6 +14,7 @@ snd-soc-cs42l51-objs := cs42l51.o | |||
14 | snd-soc-cs4270-objs := cs4270.o | 14 | snd-soc-cs4270-objs := cs4270.o |
15 | snd-soc-cx20442-objs := cx20442.o | 15 | snd-soc-cx20442-objs := cx20442.o |
16 | snd-soc-da7210-objs := da7210.o | 16 | snd-soc-da7210-objs := da7210.o |
17 | snd-soc-dmic-objs := dmic.o | ||
17 | snd-soc-l3-objs := l3.o | 18 | snd-soc-l3-objs := l3.o |
18 | snd-soc-max98088-objs := max98088.o | 19 | snd-soc-max98088-objs := max98088.o |
19 | snd-soc-pcm3008-objs := pcm3008.o | 20 | snd-soc-pcm3008-objs := pcm3008.o |
@@ -91,6 +92,7 @@ obj-$(CONFIG_SND_SOC_CS42L51) += snd-soc-cs42l51.o | |||
91 | obj-$(CONFIG_SND_SOC_CS4270) += snd-soc-cs4270.o | 92 | obj-$(CONFIG_SND_SOC_CS4270) += snd-soc-cs4270.o |
92 | obj-$(CONFIG_SND_SOC_CX20442) += snd-soc-cx20442.o | 93 | obj-$(CONFIG_SND_SOC_CX20442) += snd-soc-cx20442.o |
93 | obj-$(CONFIG_SND_SOC_DA7210) += snd-soc-da7210.o | 94 | obj-$(CONFIG_SND_SOC_DA7210) += snd-soc-da7210.o |
95 | obj-$(CONFIG_SND_SOC_DMIC) += snd-soc-dmic.o | ||
94 | obj-$(CONFIG_SND_SOC_L3) += snd-soc-l3.o | 96 | obj-$(CONFIG_SND_SOC_L3) += snd-soc-l3.o |
95 | obj-$(CONFIG_SND_SOC_JZ4740_CODEC) += snd-soc-jz4740-codec.o | 97 | obj-$(CONFIG_SND_SOC_JZ4740_CODEC) += snd-soc-jz4740-codec.o |
96 | obj-$(CONFIG_SND_SOC_MAX98088) += snd-soc-max98088.o | 98 | obj-$(CONFIG_SND_SOC_MAX98088) += snd-soc-max98088.o |
diff --git a/sound/soc/codecs/dmic.c b/sound/soc/codecs/dmic.c new file mode 100644 index 000000000000..57e9dac88d38 --- /dev/null +++ b/sound/soc/codecs/dmic.c | |||
@@ -0,0 +1,81 @@ | |||
1 | /* | ||
2 | * dmic.c -- SoC audio for Generic Digital MICs | ||
3 | * | ||
4 | * Author: Liam Girdwood <lrg@slimlogic.co.uk> | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or | ||
7 | * modify it under the terms of the GNU General Public License | ||
8 | * version 2 as published by the Free Software Foundation. | ||
9 | * | ||
10 | * This program is distributed in the hope that it will be useful, but | ||
11 | * WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
13 | * General Public License for more details. | ||
14 | * | ||
15 | * You should have received a copy of the GNU General Public License | ||
16 | * along with this program; if not, write to the Free Software | ||
17 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA | ||
18 | * 02110-1301 USA | ||
19 | * | ||
20 | */ | ||
21 | |||
22 | #include <linux/platform_device.h> | ||
23 | #include <linux/slab.h> | ||
24 | #include <sound/core.h> | ||
25 | #include <sound/pcm.h> | ||
26 | #include <sound/soc.h> | ||
27 | #include <sound/soc-dapm.h> | ||
28 | |||
29 | static struct snd_soc_dai_driver dmic_dai = { | ||
30 | .name = "dmic-hifi", | ||
31 | .capture = { | ||
32 | .stream_name = "Capture", | ||
33 | .channels_min = 1, | ||
34 | .channels_max = 8, | ||
35 | .rates = SNDRV_PCM_RATE_CONTINUOUS, | ||
36 | .formats = SNDRV_PCM_FMTBIT_S32_LE | ||
37 | | SNDRV_PCM_FMTBIT_S24_LE | ||
38 | | SNDRV_PCM_FMTBIT_S16_LE, | ||
39 | }, | ||
40 | }; | ||
41 | |||
42 | static struct snd_soc_codec_driver soc_dmic = {}; | ||
43 | |||
44 | static int __devinit dmic_dev_probe(struct platform_device *pdev) | ||
45 | { | ||
46 | return snd_soc_register_codec(&pdev->dev, | ||
47 | &soc_dmic, &dmic_dai, 1); | ||
48 | } | ||
49 | |||
50 | static int __devexit dmic_dev_remove(struct platform_device *pdev) | ||
51 | { | ||
52 | snd_soc_unregister_codec(&pdev->dev); | ||
53 | return 0; | ||
54 | } | ||
55 | |||
56 | MODULE_ALIAS("platform:dmic-codec"); | ||
57 | |||
58 | static struct platform_driver dmic_driver = { | ||
59 | .driver = { | ||
60 | .name = "dmic-codec", | ||
61 | .owner = THIS_MODULE, | ||
62 | }, | ||
63 | .probe = dmic_dev_probe, | ||
64 | .remove = __devexit_p(dmic_dev_remove), | ||
65 | }; | ||
66 | |||
67 | static int __init dmic_init(void) | ||
68 | { | ||
69 | return platform_driver_register(&dmic_driver); | ||
70 | } | ||
71 | module_init(dmic_init); | ||
72 | |||
73 | static void __exit dmic_exit(void) | ||
74 | { | ||
75 | platform_driver_unregister(&dmic_driver); | ||
76 | } | ||
77 | module_exit(dmic_exit); | ||
78 | |||
79 | MODULE_DESCRIPTION("Generic DMIC driver"); | ||
80 | MODULE_AUTHOR("Liam Girdwood <lrg@slimlogic.co.uk>"); | ||
81 | MODULE_LICENSE("GPL"); | ||