diff options
Diffstat (limited to 'sound/soc/codecs/wm8731.c')
| -rw-r--r-- | sound/soc/codecs/wm8731.c | 25 |
1 files changed, 12 insertions, 13 deletions
diff --git a/sound/soc/codecs/wm8731.c b/sound/soc/codecs/wm8731.c index 76b4361e9b8..7e5ec03f6f8 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> @@ -426,9 +427,7 @@ static int wm8731_set_bias_level(struct snd_soc_codec *codec, enum snd_soc_bias_level level) { struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec); - int i, ret; - u8 data[2]; - u16 *cache = codec->reg_cache; + int ret; u16 reg; switch (level) { @@ -443,16 +442,7 @@ static int wm8731_set_bias_level(struct snd_soc_codec *codec, if (ret != 0) return ret; - /* Sync reg_cache with the hardware */ - for (i = 0; i < ARRAY_SIZE(wm8731_reg); i++) { - if (cache[i] == wm8731_reg[i]) - continue; - - data[0] = (i << 1) | ((cache[i] >> 8) - & 0x0001); - data[1] = cache[i] & 0x00ff; - codec->hw_write(codec->control_data, data, 2); - } + snd_soc_cache_sync(codec); } /* Clear PWROFF, gate CLKOUT, everything else as-is */ @@ -607,6 +597,13 @@ 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", }, + { } +}; + +MODULE_DEVICE_TABLE(of, wm8731_of_match); + #if defined(CONFIG_SPI_MASTER) static int __devinit wm8731_spi_probe(struct spi_device *spi) { @@ -638,6 +635,7 @@ 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), @@ -682,6 +680,7 @@ 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), |