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ASoC: Add device tree binding for WM8728 

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
This commit is contained in:
Mark Brown 2011-08-03 16:53:02 +09:00
parent 1552c8f67e
commit 45b4d043da
2 changed files with 27 additions and 0 deletions
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18
Documentation/devicetree/bindings/sound/wm8728.txt Normal file
View File

@ -0,0 +1,18 @@
WM8728 audio CODEC
This device supports both I2C and SPI (configured with pin strapping
on the board).
Required properties:
- compatible : "wlf,wm8728"
- reg : the I2C address of the device for I2C, the chip select
number for SPI.
Example:
codec: wm8728@1a {
compatible = "wlf,wm8728";
reg = <0x1a>;
};

9
sound/soc/codecs/wm8728.c
View File

@ -19,6 +19,7 @@
#include <linux/platform_device.h>
#include <linux/spi/spi.h>
#include <linux/slab.h>
#include <linux/of_device.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
@ -269,6 +270,12 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8728 = {
.num_dapm_routes = ARRAY_SIZE(wm8728_intercon),
};
static const struct of_device_id wm8728_of_match[] = {
{ .compatible = "wlf,wm8728", },
{ }
};
MODULE_DEVICE_TABLE(of, wm8728_of_match);
#if defined(CONFIG_SPI_MASTER)
static int __devinit wm8728_spi_probe(struct spi_device *spi)
{
@ -300,6 +307,7 @@ static struct spi_driver wm8728_spi_driver = {
.driver = {
.name = "wm8728",
.owner = THIS_MODULE,
.of_match_table = wm8728_of_match,
},
.probe = wm8728_spi_probe,
.remove = __devexit_p(wm8728_spi_remove),
@ -344,6 +352,7 @@ static struct i2c_driver wm8728_i2c_driver = {
.driver = {
.name = "wm8728",
.owner = THIS_MODULE,
.of_match_table = wm8728_of_match,
},
.probe = wm8728_i2c_probe,
.remove = __devexit_p(wm8728_i2c_remove),