diff options
Diffstat (limited to 'sound/soc/codecs/spdif_transciever.c')
| -rw-r--r-- | sound/soc/codecs/spdif_transciever.c | 166 |
1 files changed, 0 insertions, 166 deletions
diff --git a/sound/soc/codecs/spdif_transciever.c b/sound/soc/codecs/spdif_transciever.c deleted file mode 100644 index 9119836051a..00000000000 --- a/sound/soc/codecs/spdif_transciever.c +++ /dev/null @@ -1,166 +0,0 @@ -/* - * ALSA SoC SPDIF DIT driver - * - * This driver is used by controllers which can operate in DIT (SPDI/F) where - * no codec is needed. This file provides stub codec that can be used - * in these configurations. TI DaVinci Audio controller uses this driver. - * - * Author: Steve Chen, <schen@mvista.com> - * Copyright: (C) 2009 MontaVista Software, Inc., <source@mvista.com> - * Copyright: (C) 2009 Texas Instruments, India - * - * 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> - -#include "spdif_transciever.h" - -MODULE_LICENSE("GPL"); - -#define STUB_RATES SNDRV_PCM_RATE_8000_96000 -#define STUB_FORMATS SNDRV_PCM_FMTBIT_S16_LE - -static struct snd_soc_codec *spdif_dit_codec; - -static int spdif_dit_codec_probe(struct platform_device *pdev) -{ - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct snd_soc_codec *codec; - int ret; - - if (spdif_dit_codec == NULL) { - dev_err(&pdev->dev, "Codec device not registered\n"); - return -ENODEV; - } - - socdev->card->codec = spdif_dit_codec; - codec = spdif_dit_codec; - - ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); - if (ret < 0) { - dev_err(codec->dev, "failed to create pcms: %d\n", ret); - goto err_create_pcms; - } - - return 0; - -err_create_pcms: - return ret; -} - -static int spdif_dit_codec_remove(struct platform_device *pdev) -{ - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - - snd_soc_free_pcms(socdev); - - return 0; -} - -struct snd_soc_codec_device soc_codec_dev_spdif_dit = { - .probe = spdif_dit_codec_probe, - .remove = spdif_dit_codec_remove, -}; EXPORT_SYMBOL_GPL(soc_codec_dev_spdif_dit); - -struct snd_soc_dai dit_stub_dai = { - .name = "DIT", - .playback = { - .stream_name = "Playback", - .channels_min = 1, - .channels_max = 384, - .rates = STUB_RATES, - .formats = STUB_FORMATS, - }, -}; -EXPORT_SYMBOL_GPL(dit_stub_dai); - -static int spdif_dit_probe(struct platform_device *pdev) -{ - struct snd_soc_codec *codec; - int ret; - - if (spdif_dit_codec) { - dev_err(&pdev->dev, "Another Codec is registered\n"); - ret = -EINVAL; - goto err_reg_codec; - } - - codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL); - if (codec == NULL) - return -ENOMEM; - - codec->dev = &pdev->dev; - - mutex_init(&codec->mutex); - - INIT_LIST_HEAD(&codec->dapm_widgets); - INIT_LIST_HEAD(&codec->dapm_paths); - - codec->name = "spdif-dit"; - codec->owner = THIS_MODULE; - codec->dai = &dit_stub_dai; - codec->num_dai = 1; - - spdif_dit_codec = codec; - - ret = snd_soc_register_codec(codec); - if (ret < 0) { - dev_err(codec->dev, "Failed to register codec: %d\n", ret); - goto err_reg_codec; - } - - dit_stub_dai.dev = &pdev->dev; - ret = snd_soc_register_dai(&dit_stub_dai); - if (ret < 0) { - dev_err(codec->dev, "Failed to register dai: %d\n", ret); - goto err_reg_dai; - } - - return 0; - -err_reg_dai: - snd_soc_unregister_codec(codec); -err_reg_codec: - kfree(spdif_dit_codec); - return ret; -} - -static int spdif_dit_remove(struct platform_device *pdev) -{ - snd_soc_unregister_dai(&dit_stub_dai); - snd_soc_unregister_codec(spdif_dit_codec); - kfree(spdif_dit_codec); - spdif_dit_codec = NULL; - return 0; -} - -static struct platform_driver spdif_dit_driver = { - .probe = spdif_dit_probe, - .remove = spdif_dit_remove, - .driver = { - .name = "spdif-dit", - .owner = THIS_MODULE, - }, -}; - -static int __init dit_modinit(void) -{ - return platform_driver_register(&spdif_dit_driver); -} - -static void __exit dit_exit(void) -{ - platform_driver_unregister(&spdif_dit_driver); -} - -module_init(dit_modinit); -module_exit(dit_exit); - |