Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / sound / soc / codecs / tlv320aic23-spi.c
diff --git a/kernel/sound/soc/codecs/tlv320aic23-spi.c b/kernel/sound/soc/codecs/tlv320aic23-spi.c
new file mode 100644 (file)
index 0000000..3b387e4
--- /dev/null
@@ -0,0 +1,56 @@
+/*
+ * ALSA SoC TLV320AIC23 codec driver SPI interface
+ *
+ * Author:      Arun KS, <arunks@mistralsolutions.com>
+ * Copyright:   (C) 2008 Mistral Solutions Pvt Ltd.,
+ *
+ * Based on sound/soc/codecs/wm8731.c by Richard Purdie
+ *
+ * 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/regmap.h>
+#include <linux/spi/spi.h>
+#include <sound/soc.h>
+
+#include "tlv320aic23.h"
+
+static int aic23_spi_probe(struct spi_device *spi)
+{
+       int ret;
+       struct regmap *regmap;
+
+       dev_dbg(&spi->dev, "probing tlv320aic23 spi device\n");
+
+       spi->mode = SPI_MODE_0;
+       ret = spi_setup(spi);
+       if (ret < 0)
+               return ret;
+
+       regmap = devm_regmap_init_spi(spi, &tlv320aic23_regmap);
+       return tlv320aic23_probe(&spi->dev, regmap);
+}
+
+static int aic23_spi_remove(struct spi_device *spi)
+{
+       snd_soc_unregister_codec(&spi->dev);
+       return 0;
+}
+
+static struct spi_driver aic23_spi = {
+       .driver = {
+               .name = "tlv320aic23",
+               .owner = THIS_MODULE,
+       },
+       .probe = aic23_spi_probe,
+       .remove = aic23_spi_remove,
+};
+
+module_spi_driver(aic23_spi);
+
+MODULE_DESCRIPTION("ASoC TLV320AIC23 codec driver SPI");
+MODULE_AUTHOR("Arun KS <arunks@mistralsolutions.com>");
+MODULE_LICENSE("GPL");