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author | Vipin Kumar <vipin.kumar@st.com> | 2012-06-28 12:31:37 +0530 |
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committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-06-28 13:15:10 +0100 |
commit | cdf605255c2b592d7dbc1de19688feae941b5567 (patch) | |
tree | 83e018a073adca17a5760744035cb267311e0a65 | |
parent | 6b4a21b64ccc218a00dc0e38676092e64df159dc (diff) | |
download | linux-stable-cdf605255c2b592d7dbc1de19688feae941b5567.tar.gz linux-stable-cdf605255c2b592d7dbc1de19688feae941b5567.tar.bz2 linux-stable-cdf605255c2b592d7dbc1de19688feae941b5567.zip |
ASoC: spdif_receiver: Add support for spdif in Audio Codec
This patch adds the support for spdif in audio codec.
Signed-off-by: vipin Kumar <vipin.kumar@st.com>
Signed-off-by: Rajeev Kumar <rajeev-dlh.kumar@st.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
-rw-r--r-- | sound/soc/codecs/Makefile | 2 | ||||
-rw-r--r-- | sound/soc/codecs/spdif_receiver.c | 67 |
2 files changed, 68 insertions, 1 deletions
diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile index d35ba7f06fcf..62c3d4dd1872 100644 --- a/sound/soc/codecs/Makefile +++ b/sound/soc/codecs/Makefile @@ -45,7 +45,7 @@ snd-soc-alc5623-objs := alc5623.o snd-soc-alc5632-objs := alc5632.o snd-soc-sigmadsp-objs := sigmadsp.o snd-soc-sn95031-objs := sn95031.o -snd-soc-spdif-objs := spdif_transciever.o +snd-soc-spdif-objs := spdif_transciever.o spdif_receiver.o snd-soc-ssm2602-objs := ssm2602.o snd-soc-sta32x-objs := sta32x.o snd-soc-stac9766-objs := stac9766.o diff --git a/sound/soc/codecs/spdif_receiver.c b/sound/soc/codecs/spdif_receiver.c new file mode 100644 index 000000000000..dd8d856053fc --- /dev/null +++ b/sound/soc/codecs/spdif_receiver.c @@ -0,0 +1,67 @@ +/* + * ALSA SoC SPDIF DIR (Digital Interface Reciever) driver + * + * Based on ALSA SoC SPDIF DIT driver + * + * This driver is used by controllers which can operate in DIR (SPDI/F) where + * no codec is needed. This file provides stub codec that can be used + * in these configurations. SPEAr SPDIF IN Audio controller uses this driver. + * + * Author: Vipin Kumar, <vipin.kumar@st.com> + * Copyright: (C) 2012 ST Microelectronics + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/slab.h> +#include <sound/soc.h> +#include <sound/pcm.h> +#include <sound/initval.h> + +#define STUB_RATES SNDRV_PCM_RATE_8000_192000 +#define STUB_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \ + SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE) + +static struct snd_soc_codec_driver soc_codec_spdif_dir; + +static struct snd_soc_dai_driver dir_stub_dai = { + .name = "dir-hifi", + .capture = { + .stream_name = "Capture", + .channels_min = 1, + .channels_max = 384, + .rates = STUB_RATES, + .formats = STUB_FORMATS, + }, +}; + +static int spdif_dir_probe(struct platform_device *pdev) +{ + return snd_soc_register_codec(&pdev->dev, &soc_codec_spdif_dir, + &dir_stub_dai, 1); +} + +static int spdif_dir_remove(struct platform_device *pdev) +{ + snd_soc_unregister_codec(&pdev->dev); + return 0; +} + +static struct platform_driver spdif_dir_driver = { + .probe = spdif_dir_probe, + .remove = spdif_dir_remove, + .driver = { + .name = "spdif-dir", + .owner = THIS_MODULE, + }, +}; + +module_platform_driver(spdif_dir_driver); + +MODULE_DESCRIPTION("ASoC SPDIF DIR driver"); +MODULE_AUTHOR("Vipin Kumar <vipin.kumar@st.com>"); +MODULE_LICENSE("GPL"); |