2 * ALSA SoC SPDIF DIT driver
4 * This driver is used by controllers which can operate in DIT (SPDI/F) where
5 * no codec is needed. This file provides stub codec that can be used
6 * in these configurations. TI DaVinci Audio controller uses this driver.
8 * Author: Steve Chen, <schen@mvista.com>
9 * Copyright: (C) 2009 MontaVista Software, Inc., <source@mvista.com>
10 * Copyright: (C) 2009 Texas Instruments, India
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License version 2 as
14 * published by the Free Software Foundation.
17 #include <linux/module.h>
18 #include <linux/moduleparam.h>
19 #include <linux/slab.h>
20 #include <sound/soc.h>
21 #include <sound/pcm.h>
22 #include <sound/initval.h>
24 #define DRV_NAME "spdif-dit"
26 #define STUB_RATES SNDRV_PCM_RATE_8000_96000
27 #define STUB_FORMATS SNDRV_PCM_FMTBIT_S16_LE
30 static struct snd_soc_codec_driver soc_codec_spdif_dit
;
32 static struct snd_soc_dai_driver dit_stub_dai
= {
35 .stream_name
= "Playback",
39 .formats
= STUB_FORMATS
,
43 static int spdif_dit_probe(struct platform_device
*pdev
)
45 return snd_soc_register_codec(&pdev
->dev
, &soc_codec_spdif_dit
,
49 static int spdif_dit_remove(struct platform_device
*pdev
)
51 snd_soc_unregister_codec(&pdev
->dev
);
55 static struct platform_driver spdif_dit_driver
= {
56 .probe
= spdif_dit_probe
,
57 .remove
= spdif_dit_remove
,
64 module_platform_driver(spdif_dit_driver
);
66 MODULE_AUTHOR("Steve Chen <schen@mvista.com>");
67 MODULE_DESCRIPTION("SPDIF dummy codec driver");
68 MODULE_LICENSE("GPL");
69 MODULE_ALIAS("platform:" DRV_NAME
);