Tested with the famous "hey, look! this compiles" test plan.
Signed-off-by: Mark Brown broonie@opensource.wolfsonmicro.com --- Documentation/devicetree/bindings/sound/wm8731.txt | 18 ++++++++++++++++++ sound/soc/codecs/wm8731.c | 12 ++++++++++++ 2 files changed, 30 insertions(+), 0 deletions(-) create mode 100644 Documentation/devicetree/bindings/sound/wm8731.txt
diff --git a/Documentation/devicetree/bindings/sound/wm8731.txt b/Documentation/devicetree/bindings/sound/wm8731.txt new file mode 100644 index 0000000..15f7004 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/wm8731.txt @@ -0,0 +1,18 @@ +WM8731 audio CODEC + +This device supports both I2C and SPI (configured with pin strapping +on the board). + +Required properties: + + - compatible : "wlf,wm8731" + + - reg : the I2C address of the device for I2C, the chip select + number for SPI. + +Example: + +codec: wm8731@1a { + compatible = "wlf,wm8731"; + reg = <0x1a>; +}; diff --git a/sound/soc/codecs/wm8731.c b/sound/soc/codecs/wm8731.c index 76b4361..5ecc05a 100644 --- a/sound/soc/codecs/wm8731.c +++ b/sound/soc/codecs/wm8731.c @@ -22,6 +22,7 @@ #include <linux/platform_device.h> #include <linux/regulator/consumer.h> #include <linux/spi/spi.h> +#include <linux/of_device.h> #include <sound/core.h> #include <sound/pcm.h> #include <sound/pcm_params.h> @@ -607,6 +608,11 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8731 = { .num_dapm_routes = ARRAY_SIZE(wm8731_intercon), };
+static const struct of_device_id wm8731_of_match[] = { + { .compatible = "wlf,wm8731", }, + { } +}; + #if defined(CONFIG_SPI_MASTER) static int __devinit wm8731_spi_probe(struct spi_device *spi) { @@ -634,10 +640,13 @@ static int __devexit wm8731_spi_remove(struct spi_device *spi) return 0; }
+MODULE_DEVICE_TABLE(spi, wm8731_of_match); + static struct spi_driver wm8731_spi_driver = { .driver = { .name = "wm8731", .owner = THIS_MODULE, + .of_match_table = wm8731_of_match, }, .probe = wm8731_spi_probe, .remove = __devexit_p(wm8731_spi_remove), @@ -678,10 +687,13 @@ static const struct i2c_device_id wm8731_i2c_id[] = { }; MODULE_DEVICE_TABLE(i2c, wm8731_i2c_id);
+MODULE_DEVICE_TABLE(i2c, wm8731_of_match); + static struct i2c_driver wm8731_i2c_driver = { .driver = { .name = "wm8731", .owner = THIS_MODULE, + .of_match_table = wm8731_of_match, }, .probe = wm8731_i2c_probe, .remove = __devexit_p(wm8731_i2c_remove),