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ASoC: wm8904: Move register default setup into I2C probe()

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Get it done as early as possible, it's neater and minimises the time the
pins aren't configured as requested.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown 2012-06-09 11:57:37 +08:00
parent 03862cf62e
commit 725e7a7b58
1 changed files with 55 additions and 56 deletions
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111
sound/soc/codecs/wm8904.c
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@ -2054,8 +2054,7 @@ static void wm8904_handle_pdata(struct snd_soc_codec *codec)
static int wm8904_probe(struct snd_soc_codec *codec)
{
struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec);
struct wm8904_pdata *pdata = wm8904->pdata;
int ret, i;
int ret;
codec->control_data = wm8904->regmap;
@ -2077,60 +2076,6 @@ static int wm8904_probe(struct snd_soc_codec *codec)
return ret;
}
/* Change some default settings - latch VU and enable ZC */
snd_soc_update_bits(codec, WM8904_ADC_DIGITAL_VOLUME_LEFT,
WM8904_ADC_VU, WM8904_ADC_VU);
snd_soc_update_bits(codec, WM8904_ADC_DIGITAL_VOLUME_RIGHT,
WM8904_ADC_VU, WM8904_ADC_VU);
snd_soc_update_bits(codec, WM8904_DAC_DIGITAL_VOLUME_LEFT,
WM8904_DAC_VU, WM8904_DAC_VU);
snd_soc_update_bits(codec, WM8904_DAC_DIGITAL_VOLUME_RIGHT,
WM8904_DAC_VU, WM8904_DAC_VU);
snd_soc_update_bits(codec, WM8904_ANALOGUE_OUT1_LEFT,
WM8904_HPOUT_VU | WM8904_HPOUTLZC,
WM8904_HPOUT_VU | WM8904_HPOUTLZC);
snd_soc_update_bits(codec, WM8904_ANALOGUE_OUT1_RIGHT,
WM8904_HPOUT_VU | WM8904_HPOUTRZC,
WM8904_HPOUT_VU | WM8904_HPOUTRZC);
snd_soc_update_bits(codec, WM8904_ANALOGUE_OUT2_LEFT,
WM8904_LINEOUT_VU | WM8904_LINEOUTLZC,
WM8904_LINEOUT_VU | WM8904_LINEOUTLZC);
snd_soc_update_bits(codec, WM8904_ANALOGUE_OUT2_RIGHT,
WM8904_LINEOUT_VU | WM8904_LINEOUTRZC,
WM8904_LINEOUT_VU | WM8904_LINEOUTRZC);
snd_soc_update_bits(codec, WM8904_CLOCK_RATES_0,
WM8904_SR_MODE, 0);
/* Apply configuration from the platform data. */
if (wm8904->pdata) {
for (i = 0; i < WM8904_GPIO_REGS; i++) {
if (!pdata->gpio_cfg[i])
continue;
regmap_update_bits(wm8904->regmap,
WM8904_GPIO_CONTROL_1 + i,
0xffff,
pdata->gpio_cfg[i]);
}
/* Zero is the default value for these anyway */
for (i = 0; i < WM8904_MIC_REGS; i++)
regmap_update_bits(wm8904->regmap,
WM8904_MIC_BIAS_CONTROL_0 + i,
0xffff,
pdata->mic_cfg[i]);
}
/* Set Class W by default - this will be managed by the Class
* G widget at runtime where bypass paths are available.
*/
snd_soc_update_bits(codec, WM8904_CLASS_W_0,
WM8904_CP_DYN_PWR, WM8904_CP_DYN_PWR);
/* Use normal bias source */
snd_soc_update_bits(codec, WM8904_BIAS_CONTROL_0,
WM8904_POBCTRL, 0);
wm8904_handle_pdata(codec);
wm8904_add_widgets(codec);
@ -2234,6 +2179,60 @@ static __devinit int wm8904_i2c_probe(struct i2c_client *i2c,
goto err_enable;
}
/* Change some default settings - latch VU and enable ZC */
regmap_update_bits(wm8904->regmap, WM8904_ADC_DIGITAL_VOLUME_LEFT,
WM8904_ADC_VU, WM8904_ADC_VU);
regmap_update_bits(wm8904->regmap, WM8904_ADC_DIGITAL_VOLUME_RIGHT,
WM8904_ADC_VU, WM8904_ADC_VU);
regmap_update_bits(wm8904->regmap, WM8904_DAC_DIGITAL_VOLUME_LEFT,
WM8904_DAC_VU, WM8904_DAC_VU);
regmap_update_bits(wm8904->regmap, WM8904_DAC_DIGITAL_VOLUME_RIGHT,
WM8904_DAC_VU, WM8904_DAC_VU);
regmap_update_bits(wm8904->regmap, WM8904_ANALOGUE_OUT1_LEFT,
WM8904_HPOUT_VU | WM8904_HPOUTLZC,
WM8904_HPOUT_VU | WM8904_HPOUTLZC);
regmap_update_bits(wm8904->regmap, WM8904_ANALOGUE_OUT1_RIGHT,
WM8904_HPOUT_VU | WM8904_HPOUTRZC,
WM8904_HPOUT_VU | WM8904_HPOUTRZC);
regmap_update_bits(wm8904->regmap, WM8904_ANALOGUE_OUT2_LEFT,
WM8904_LINEOUT_VU | WM8904_LINEOUTLZC,
WM8904_LINEOUT_VU | WM8904_LINEOUTLZC);
regmap_update_bits(wm8904->regmap, WM8904_ANALOGUE_OUT2_RIGHT,
WM8904_LINEOUT_VU | WM8904_LINEOUTRZC,
WM8904_LINEOUT_VU | WM8904_LINEOUTRZC);
regmap_update_bits(wm8904->regmap, WM8904_CLOCK_RATES_0,
WM8904_SR_MODE, 0);
/* Apply configuration from the platform data. */
if (wm8904->pdata) {
for (i = 0; i < WM8904_GPIO_REGS; i++) {
if (!wm8904->pdata->gpio_cfg[i])
continue;
regmap_update_bits(wm8904->regmap,
WM8904_GPIO_CONTROL_1 + i,
0xffff,
wm8904->pdata->gpio_cfg[i]);
}
/* Zero is the default value for these anyway */
for (i = 0; i < WM8904_MIC_REGS; i++)
regmap_update_bits(wm8904->regmap,
WM8904_MIC_BIAS_CONTROL_0 + i,
0xffff,
wm8904->pdata->mic_cfg[i]);
}
/* Set Class W by default - this will be managed by the Class
* G widget at runtime where bypass paths are available.
*/
regmap_update_bits(wm8904->regmap, WM8904_CLASS_W_0,
WM8904_CP_DYN_PWR, WM8904_CP_DYN_PWR);
/* Use normal bias source */
regmap_update_bits(wm8904->regmap, WM8904_BIAS_CONTROL_0,
WM8904_POBCTRL, 0);
/* Can leave the device powered off until we need it */
regcache_cache_only(wm8904->regmap, true);
regulator_bulk_disable(ARRAY_SIZE(wm8904->supplies), wm8904->supplies);