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ASoC: Add device tree binding for WM8770

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Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown 2011-08-29 14:12:15 +01:00
parent 1e3ad571d5
commit 13c7d08f54
2 changed files with 24 additions and 0 deletions
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16
Documentation/devicetree/bindings/sound/wm8770.txt Normal file
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@ -0,0 +1,16 @@
WM8770 audio CODEC
This device supports SPI.
Required properties:
- compatible : "wlf,wm8770"
- reg : the chip select number.
Example:
codec: wm8770@1 {
compatible = "wlf,wm8770";
reg = <1>;
};

8
sound/soc/codecs/wm8770.c
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@ -14,6 +14,7 @@
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/of_device.h>
#include <linux/pm.h>
#include <linux/platform_device.h>
#include <linux/spi/spi.h>
@ -684,6 +685,12 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8770 = {
.reg_cache_default = wm8770_reg_defs
};
static const struct of_device_id wm8770_of_match[] = {
{ .compatible = "wlf,wm8770", },
{ }
};
MODULE_DEVICE_TABLE(of, wm8770_of_match);
#if defined(CONFIG_SPI_MASTER)
static int __devinit wm8770_spi_probe(struct spi_device *spi)
{
@ -715,6 +722,7 @@ static struct spi_driver wm8770_spi_driver = {
.driver = {
.name = "wm8770",
.owner = THIS_MODULE,
.of_match_table = wm8770_of_match,
},
.probe = wm8770_spi_probe,
.remove = __devexit_p(wm8770_spi_remove)