sound/soc/codecs/tlv320aic23-spi.c

   1 /*
   2  * ALSA SoC TLV320AIC23 codec driver SPI interface
   3  *
   4  * Author:      Arun KS, <arunks@mistralsolutions.com>
   5  * Copyright:   (C) 2008 Mistral Solutions Pvt Ltd.,
   6  *
   7  * Based on sound/soc/codecs/wm8731.c by Richard Purdie
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License version 2 as
  11  * published by the Free Software Foundation.
  12  */
  13
  14 #include <linux/module.h>
  15 #include <linux/regmap.h>
  16 #include <linux/spi/spi.h>
  17 #include <sound/soc.h>
  18
  19 #include "tlv320aic23.h"
  20
  21 static int aic23_spi_probe(struct spi_device *spi)
  22 {
  23         int ret;
  24         struct regmap *regmap;
  25
  26         dev_dbg(&spi->dev, "probing tlv320aic23 spi device\n");
  27
  28         spi->mode = SPI_MODE_0;
  29         ret = spi_setup(spi);
  30         if (ret < 0)
  31                 return ret;
  32
  33         regmap = devm_regmap_init_spi(spi, &tlv320aic23_regmap);
  34         return tlv320aic23_probe(&spi->dev, regmap);
  35 }
  36
  37 static int aic23_spi_remove(struct spi_device *spi)
  38 {
  39         snd_soc_unregister_codec(&spi->dev);
  40         return 0;
  41 }
  42
  43 static struct spi_driver aic23_spi = {
  44         .driver = {
  45                 .name = "tlv320aic23",
  46         },
  47         .probe = aic23_spi_probe,
  48         .remove = aic23_spi_remove,
  49 };
  50
  51 module_spi_driver(aic23_spi);
  52
  53 MODULE_DESCRIPTION("ASoC TLV320AIC23 codec driver SPI");
  54 MODULE_AUTHOR("Arun KS <arunks@mistralsolutions.com>");
  55 MODULE_LICENSE("GPL");