diff options
| author |   Bo Shen <voice.shen@atmel.com> | 2014-06-09 11:31:44 +0800 |
|---|---|---|
| committer |   Mark Brown <broonie@linaro.org> | 2014-06-09 21:12:55 +0100 |
| commit | 8b9920e3f4019313803419923b8c5c486fa82d84 (patch) | |
| tree | 6b3660d490c0047c8873f9c048e4bd3c0fe367fc /sound/soc/codecs/wm8904.c | |
| parent | ASoC: free jack GPIOs before the sound card is freed (diff) | |
| download | linux-dev-8b9920e3f4019313803419923b8c5c486fa82d84.tar.xz linux-dev-8b9920e3f4019313803419923b8c5c486fa82d84.zip | |
ASoC: wm8904: switch to CCF
Enable WM8904 to support common clock framework.
Signed-off-by: Bo Shen <voice.shen@atmel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'sound/soc/codecs/wm8904.c')
| -rw-r--r-- | sound/soc/codecs/wm8904.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm8904.c b/sound/soc/codecs/wm8904.c index f7c549949c54..da46c2ad0566 100644 --- a/sound/soc/codecs/wm8904.c +++ b/sound/soc/codecs/wm8904.c @@ -11,6 +11,7 @@ * published by the Free Software Foundation. */ +#include <linux/clk.h> #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/init.h> @@ -49,6 +50,7 @@ static const char *wm8904_supply_names[WM8904_NUM_SUPPLIES] = { /* codec private data */ struct wm8904_priv { struct regmap *regmap; + struct clk *mclk; enum wm8904_type devtype; @@ -1828,6 +1830,7 @@ static int wm8904_set_bias_level(struct snd_soc_codec *codec, switch (level) { case SND_SOC_BIAS_ON: + clk_prepare_enable(wm8904->mclk); break; case SND_SOC_BIAS_PREPARE: @@ -1894,6 +1897,7 @@ static int wm8904_set_bias_level(struct snd_soc_codec *codec, regulator_bulk_disable(ARRAY_SIZE(wm8904->supplies), wm8904->supplies); + clk_disable_unprepare(wm8904->mclk); break; } codec->dapm.bias_level = level; @@ -2110,6 +2114,13 @@ static int wm8904_i2c_probe(struct i2c_client *i2c, if (wm8904 == NULL) return -ENOMEM; + wm8904->mclk = devm_clk_get(&i2c->dev, "mclk"); + if (IS_ERR(wm8904->mclk)) { + ret = PTR_ERR(wm8904->mclk); + dev_err(&i2c->dev, "Failed to get MCLK\n"); + return ret; + } + wm8904->regmap = devm_regmap_init_i2c(i2c, &wm8904_regmap); if (IS_ERR(wm8904->regmap)) { ret = PTR_ERR(wm8904->regmap); |