diff options
| author | UK KIM <w0806.kim@samsung.com> | 2010-09-14 20:07:33 -0700 |
|---|---|---|
| committer | Arve Hjønnevåg <arve@android.com> | 2011-11-17 17:45:42 -0800 |
| commit | c0ffad1e94af161adb6b4e188076bcf66de3f64f (patch) | |
| tree | 5000344318ca50debdbab7caa9a2bf3675d10264 /sound/soc/codecs/wm8994_samsung.c | |
| parent | dc6b8fc04ff98f4fd283aac5a471703155f127b2 (diff) | |
| download | kernel_samsung_crespo-c0ffad1e94af161adb6b4e188076bcf66de3f64f.zip kernel_samsung_crespo-c0ffad1e94af161adb6b4e188076bcf66de3f64f.tar.gz kernel_samsung_crespo-c0ffad1e94af161adb6b4e188076bcf66de3f64f.tar.bz2 | |
S5PC11X: SOUND: delay I2C-SCL waiting time after codec's VMID up.
According to Wolfson's guide, i2c operation must be enabled after codec VMID is stable up.
Signed-off-by: UK KIM <w0806.kim@samsung.com>
Change-Id: Ic6b7e9d55c74c8545e760b831222ff0e0227d98f
Diffstat (limited to 'sound/soc/codecs/wm8994_samsung.c')
| -rwxr-xr-x | sound/soc/codecs/wm8994_samsung.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/sound/soc/codecs/wm8994_samsung.c b/sound/soc/codecs/wm8994_samsung.c index 26035b1..8e924de 100755 --- a/sound/soc/codecs/wm8994_samsung.c +++ b/sound/soc/codecs/wm8994_samsung.c @@ -1088,7 +1088,7 @@ static int wm8994_startup(struct snd_pcm_substream *substream, /* For initialize codec */ wm8994_write(codec, WM8994_POWER_MANAGEMENT_1, 0x3 << WM8994_VMID_SEL_SHIFT | WM8994_BIAS_ENA); - msleep(30); + msleep(50); wm8994_write(codec, WM8994_POWER_MANAGEMENT_1, WM8994_VMID_SEL_NORMAL | WM8994_BIAS_ENA); wm8994_write(codec, WM8994_OVERSAMPLING, 0x0000); @@ -1237,7 +1237,7 @@ static int wm8994_init(struct wm8994_priv *wm8994_private) wm8994_write(codec, WM8994_POWER_MANAGEMENT_1, 0x3 << WM8994_VMID_SEL_SHIFT | WM8994_BIAS_ENA); - msleep(10); + msleep(50); wm8994_write(codec, WM8994_POWER_MANAGEMENT_1, WM8994_VMID_SEL_NORMAL | WM8994_BIAS_ENA); @@ -1338,7 +1338,6 @@ static int wm8994_i2c_probe(struct i2c_client *i2c, s3c_gpio_slp_cfgpin(pdata->micbias, S3C_GPIO_SLP_PREV); wm8994_ldo_control(pdata, 1); - msleep(10); codec->hw_write = (hw_write_t) i2c_master_send; i2c_set_clientdata(i2c, wm8994_priv); |