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authorDan Williams <dan.j.williams@intel.com>2009-09-08 17:55:21 -0700
committerDan Williams <dan.j.williams@intel.com>2009-09-08 17:55:21 -0700
commitbbb20089a3275a19e475dbc21320c3742e3ca423 (patch)
tree216fdc1cbef450ca688135c5b8969169482d9a48 /sound/soc/codecs/spdif_transciever.c
parent3e48e656903e9fd8bc805c6a2c4264d7808d315b (diff)
parent657a77fa7284d8ae28dfa48f1dc5d919bf5b2843 (diff)
Merge branch 'dmaengine' into async-tx-next
Conflicts: crypto/async_tx/async_xor.c drivers/dma/ioat/dma_v2.h drivers/dma/ioat/pci.c drivers/md/raid5.c
Diffstat (limited to 'sound/soc/codecs/spdif_transciever.c')
-rw-r--r--sound/soc/codecs/spdif_transciever.c71
1 files changed, 71 insertions, 0 deletions
diff --git a/sound/soc/codecs/spdif_transciever.c b/sound/soc/codecs/spdif_transciever.c
new file mode 100644
index 000000000000..218b33adad90
--- /dev/null
+++ b/sound/soc/codecs/spdif_transciever.c
@@ -0,0 +1,71 @@
+/*
+ * 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 <sound/soc.h>
+#include <sound/pcm.h>
+
+#include "spdif_transciever.h"
+
+#define STUB_RATES SNDRV_PCM_RATE_8000_96000
+#define STUB_FORMATS SNDRV_PCM_FMTBIT_S16_LE
+
+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,
+ },
+};
+
+static int spdif_dit_probe(struct platform_device *pdev)
+{
+ dit_stub_dai.dev = &pdev->dev;
+ return snd_soc_register_dai(&dit_stub_dai);
+}
+
+static int spdif_dit_remove(struct platform_device *pdev)
+{
+ snd_soc_unregister_dai(&dit_stub_dai);
+ 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);
+