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ASoC: codecs: rv1106_codec: clean up acodec power up/off handing

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Clean up power up/off handing for acodec, make the DAC
PSRR feature is better ~14.5dB.

Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>
Change-Id: Ia735d2f5e2134c86d35656fb027352a45093d9a5
This commit is contained in:
Xing Zheng
2022-04-30 22:57:49 +08:00
committed by Tao Huang
parent 34086f9377
commit 78779a435f
1 changed files with 15 additions and 47 deletions
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62
sound/soc/codecs/rv1106_codec.c
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@@ -1189,75 +1189,43 @@ static int rv1106_codec_dac_disable(struct rv1106_codec_priv *rv1106)
static int rv1106_codec_power_on(struct rv1106_codec_priv *rv1106)
{
unsigned int v;
/* 0. Supply the power of digital part and reset the Audio Codec */
/* Do nothing */
/* vendor step 1 */
regmap_update_bits(rv1106->regmap, ACODEC_DAC_ANA_CTL0,
ACODEC_DAC_L_REF_POP_SOUND_MSK,
ACODEC_DAC_L_REF_POP_SOUND_DIS);
/* vendor step 2 */
ACODEC_DAC_L_REF_POP_SOUND_WORK);
/* vendor step 2. Charging */
regmap_update_bits(rv1106->regmap, ACODEC_CURRENT_CHARGE_CTL,
ACODEC_ADC_CURRENT_CHARGE_MSK,
ACODEC_ADC_SEL_I(0x1));
/* 5. Supply the power of the analog part(AVDD,AVDDRV) */
/* vendor step 6 */
ACODEC_ADC_SEL_I(0xff));
/* vendor step 3. Supply the power of the analog part. */
/* vendor step 4 */
regmap_update_bits(rv1106->regmap, ACODEC_ADC_ANA_CTL0,
ACODEC_ADC_REF_VOL_MSK, ACODEC_ADC_REF_VOL_EN);
/* vendor step 8 */
for (v = 0x1; v <= 0xff; v++) {
regmap_update_bits(rv1106->regmap, ACODEC_CURRENT_CHARGE_CTL,
ACODEC_ADC_CURRENT_CHARGE_MSK,
v);
/* ref is 20ms */
udelay(100);
}
/* vendor step 11 */
/* vendor step 5. Wait charging completed */
msleep(20);
/* vendor step 6 */
regmap_update_bits(rv1106->regmap, ACODEC_CURRENT_CHARGE_CTL,
ACODEC_ADC_CURRENT_CHARGE_MSK, 0x7c);
ACODEC_ADC_CURRENT_CHARGE_MSK,
ACODEC_ADC_SEL_I(0x02));
return 0;
}
static int rv1106_codec_power_off(struct rv1106_codec_priv *rv1106)
{
unsigned int v;
/*
* 0. Keep the power on and disable the DAC and ADC path according to
* the section power on configuration standard usage flow.
* 0. Keep the power on and disable the DAC and ADC path.
*/
/* vendor step 2 */
/* vendor step 1 */
regmap_update_bits(rv1106->regmap, ACODEC_CURRENT_CHARGE_CTL,
ACODEC_ADC_CURRENT_CHARGE_MSK,
ACODEC_ADC_SEL_I(0x1));
ACODEC_ADC_SEL_I(0xff));
/* vendor step 3 */
regmap_update_bits(rv1106->regmap, ACODEC_ADC_ANA_CTL0,
ACODEC_ADC_REF_VOL_MSK,
ACODEC_ADC_REF_VOL_DIS);
for (v = 0x1; v <= 0xff; v++) {
regmap_update_bits(rv1106->regmap, ACODEC_CURRENT_CHARGE_CTL,
ACODEC_ADC_CURRENT_CHARGE_MSK,
v);
/* ref is 20ms */
udelay(100);
}
/* 7. Wait until the voltage of VCM keeps stable at the AGND */
/* 8. Power off the analog power supply */
/* 9. Power off the digital power supply */
/* Do something via hardware */
/* vendor step 3. Wait until the voltage of VCM keep stable at AGND. */
msleep(20);
return 0;
}