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authorMark Brown <broonie@opensource.wolfsonmicro.com>2012-06-09 11:57:37 +0800
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-06-25 09:55:00 +0100
commit725e7a7b58fb27d8f97a1c4eae47cb5d37564725 (patch)
tree262576e898a28c53eb2fd79ad19ca5d0b1a374de /sound/soc/codecs/wm8904.c
parentASoC: wm8904: Move regulator acquisition and device identification to I2C (diff)
downloadlinux-dev-725e7a7b58fb27d8f97a1c4eae47cb5d37564725.tar.xz
linux-dev-725e7a7b58fb27d8f97a1c4eae47cb5d37564725.zip
ASoC: wm8904: Move register default setup into I2C probe()
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>
Diffstat (limited to 'sound/soc/codecs/wm8904.c')
-rw-r--r--sound/soc/codecs/wm8904.c111
1 files changed, 55 insertions, 56 deletions
diff --git a/sound/soc/codecs/wm8904.c b/sound/soc/codecs/wm8904.c
index b178232c990c..0013afe48e66 100644
--- a/sound/soc/codecs/wm8904.c
+++ b/sound/soc/codecs/wm8904.c
@@ -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);