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 <sound/soc.h>
20 #include <sound/pcm.h>
22 #include "spdif_transciever.h"
24 #define STUB_RATES SNDRV_PCM_RATE_8000_96000
25 #define STUB_FORMATS SNDRV_PCM_FMTBIT_S16_LE
27 struct snd_soc_dai dit_stub_dai = {
30 .stream_name = "Playback",
34 .formats = STUB_FORMATS,
37 EXPORT_SYMBOL_GPL(dit_stub_dai);
39 static int spdif_dit_probe(struct platform_device *pdev)
41 dit_stub_dai.dev = &pdev->dev;
42 return snd_soc_register_dai(&dit_stub_dai);
45 static int spdif_dit_remove(struct platform_device *pdev)
47 snd_soc_unregister_dai(&dit_stub_dai);
51 static struct platform_driver spdif_dit_driver = {
52 .probe = spdif_dit_probe,
53 .remove = spdif_dit_remove,
60 static int __init dit_modinit(void)
62 return platform_driver_register(&spdif_dit_driver);
65 static void __exit dit_exit(void)
67 platform_driver_unregister(&spdif_dit_driver);
70 module_init(dit_modinit);
71 module_exit(dit_exit);