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ASoC: rt5682: fix a little pop while playback

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A little pop can be heard obviously from HP while playing a silent.
This patch fixes it by using two functions:
1. Enable HP 1bit output mode.
2. Change the charge pump switch size during playback on and off.

Signed-off-by: Derek Fang <derek.fang@realtek.com>
Link: https://lore.kernel.org/r/20211014094054.811-1-derek.fang@realtek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Derek Fang 2021-10-14 17:40:54 +08:00 committed by Mark Brown
parent f05a9b8552
commit 4b19e4a77c
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
2 changed files with 68 additions and 8 deletions
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56
sound/soc/codecs/rt5682.c
View File

@ -46,6 +46,8 @@ static const struct reg_sequence patch_list[] = {
{RT5682_SAR_IL_CMD_1, 0x22b7},
{RT5682_SAR_IL_CMD_3, 0x0365},
{RT5682_SAR_IL_CMD_6, 0x0110},
{RT5682_CHARGE_PUMP_1, 0x0210},
{RT5682_HP_LOGIC_CTRL_2, 0x0007},
};
void rt5682_apply_patch_list(struct rt5682_priv *rt5682, struct device *dev)
@ -1515,21 +1517,29 @@ static int rt5682_hp_event(struct snd_soc_dapm_widget *w,
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
snd_soc_component_write(component,
RT5682_HP_LOGIC_CTRL_2, 0x0012);
snd_soc_component_write(component,
RT5682_HP_CTRL_2, 0x6000);
snd_soc_component_update_bits(component, RT5682_HP_CTRL_2,
RT5682_HP_C2_DAC_AMP_MUTE, 0);
snd_soc_component_update_bits(component, RT5682_HP_LOGIC_CTRL_2,
RT5682_HP_LC2_SIG_SOUR2_MASK, RT5682_HP_LC2_SIG_SOUR2_REG);
snd_soc_component_update_bits(component,
RT5682_DEPOP_1, 0x60, 0x60);
snd_soc_component_update_bits(component,
RT5682_DAC_ADC_DIG_VOL1, 0x00c0, 0x0080);
snd_soc_component_update_bits(component, RT5682_HP_CTRL_2,
RT5682_HP_C2_DAC_L_EN | RT5682_HP_C2_DAC_R_EN,
RT5682_HP_C2_DAC_L_EN | RT5682_HP_C2_DAC_R_EN);
usleep_range(5000, 10000);
snd_soc_component_update_bits(component, RT5682_CHARGE_PUMP_1,
RT5682_CP_SW_SIZE_MASK, RT5682_CP_SW_SIZE_L);
break;
case SND_SOC_DAPM_POST_PMD:
snd_soc_component_update_bits(component, RT5682_HP_CTRL_2,
RT5682_HP_C2_DAC_L_EN | RT5682_HP_C2_DAC_R_EN, 0);
snd_soc_component_update_bits(component, RT5682_CHARGE_PUMP_1,
RT5682_CP_SW_SIZE_MASK, RT5682_CP_SW_SIZE_M);
snd_soc_component_update_bits(component,
RT5682_DEPOP_1, 0x60, 0x0);
snd_soc_component_write(component,
RT5682_HP_CTRL_2, 0x0000);
snd_soc_component_update_bits(component,
RT5682_DAC_ADC_DIG_VOL1, 0x00c0, 0x0000);
break;
@ -1637,6 +1647,23 @@ static SOC_VALUE_ENUM_SINGLE_DECL(rt5682_adcdat_pin_enum,
static const struct snd_kcontrol_new rt5682_adcdat_pin_ctrl =
SOC_DAPM_ENUM("ADCDAT", rt5682_adcdat_pin_enum);
static const unsigned int rt5682_hpo_sig_out_values[] = {
2,
7,
};
static const char * const rt5682_hpo_sig_out_mode[] = {
"Legacy",
"OneBit",
};
static SOC_VALUE_ENUM_SINGLE_DECL(rt5682_hpo_sig_out_enum,
RT5682_HP_LOGIC_CTRL_2, 0, RT5682_HP_LC2_SIG_SOUR1_MASK,
rt5682_hpo_sig_out_mode, rt5682_hpo_sig_out_values);
static const struct snd_kcontrol_new rt5682_hpo_sig_demux =
SOC_DAPM_ENUM("HPO Signal Demux", rt5682_hpo_sig_out_enum);
static const struct snd_soc_dapm_widget rt5682_dapm_widgets[] = {
SND_SOC_DAPM_SUPPLY("LDO2", RT5682_PWR_ANLG_3, RT5682_PWR_LDO2_BIT,
0, NULL, 0),
@ -1820,6 +1847,10 @@ static const struct snd_soc_dapm_widget rt5682_dapm_widgets[] = {
SND_SOC_DAPM_SWITCH("HPOR Playback", SND_SOC_NOPM, 0, 0,
&hpor_switch),
SND_SOC_DAPM_OUT_DRV("HPO Legacy", SND_SOC_NOPM, 0, 0, NULL, 0),
SND_SOC_DAPM_OUT_DRV("HPO OneBit", SND_SOC_NOPM, 0, 0, NULL, 0),
SND_SOC_DAPM_DEMUX("HPO Signal Demux", SND_SOC_NOPM, 0, 0, &rt5682_hpo_sig_demux),
/* CLK DET */
SND_SOC_DAPM_SUPPLY("CLKDET SYS", RT5682_CLK_DET,
RT5682_SYS_CLK_DET_SFT, 0, NULL, 0),
@ -1987,10 +2018,19 @@ static const struct snd_soc_dapm_route rt5682_dapm_routes[] = {
{"HP Amp", NULL, "Charge Pump"},
{"HP Amp", NULL, "CLKDET SYS"},
{"HP Amp", NULL, "Vref1"},
{"HPOL Playback", "Switch", "HP Amp"},
{"HPOR Playback", "Switch", "HP Amp"},
{"HPO Signal Demux", NULL, "HP Amp"},
{"HPO Legacy", "Legacy", "HPO Signal Demux"},
{"HPO OneBit", "OneBit", "HPO Signal Demux"},
{"HPOL Playback", "Switch", "HPO Legacy"},
{"HPOR Playback", "Switch", "HPO Legacy"},
{"HPOL", NULL, "HPOL Playback"},
{"HPOR", NULL, "HPOR Playback"},
{"HPOL", NULL, "HPO OneBit"},
{"HPOR", NULL, "HPO OneBit"},
};
static int rt5682_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,

20
sound/soc/codecs/rt5682.h
View File

@ -375,6 +375,14 @@
#define RT5682_R_VOL_MASK (0x3f)
#define RT5682_R_VOL_SFT 0
/* Headphone Amp Control 2 (0x0003) */
#define RT5682_HP_C2_DAC_AMP_MUTE_SFT 15
#define RT5682_HP_C2_DAC_AMP_MUTE (0x1 << 15)
#define RT5682_HP_C2_DAC_L_EN_SFT 14
#define RT5682_HP_C2_DAC_L_EN (0x1 << 14)
#define RT5682_HP_C2_DAC_R_EN_SFT 13
#define RT5682_HP_C2_DAC_R_EN (0x1 << 13)
/*Headphone Amp L/R Analog Gain and Digital NG2 Gain Control (0x0005 0x0006)*/
#define RT5682_G_HP (0xf << 8)
#define RT5682_G_HP_SFT 8
@ -1265,6 +1273,10 @@
#define RT5682_HPA_CP_BIAS_6UA (0x3 << 2)
/* Charge Pump Internal Register1 (0x0125) */
#define RT5682_CP_SW_SIZE_MASK (0x7 << 8)
#define RT5682_CP_SW_SIZE_L (0x4 << 8)
#define RT5682_CP_SW_SIZE_M (0x2 << 8)
#define RT5682_CP_SW_SIZE_S (0x1 << 8)
#define RT5682_CP_CLK_HP_MASK (0x3 << 4)
#define RT5682_CP_CLK_HP_100KHZ (0x0 << 4)
#define RT5682_CP_CLK_HP_200KHZ (0x1 << 4)
@ -1315,6 +1327,14 @@
#define RT5682_DEB_STO_DAC_MASK (0x7 << 4)
#define RT5682_DEB_80_MS (0x0 << 4)
/* HP Behavior Logic Control 2 (0x01db) */
#define RT5682_HP_LC2_SIG_SOUR2_MASK (0x1 << 4)
#define RT5682_HP_LC2_SIG_SOUR2_REG (0x1 << 4)
#define RT5682_HP_LC2_SIG_SOUR2_DC_CAL (0x0 << 4)
#define RT5682_HP_LC2_SIG_SOUR1_MASK (0x7)
#define RT5682_HP_LC2_SIG_SOUR1_1BIT (0x7)
#define RT5682_HP_LC2_SIG_SOUR1_LEGA (0x2)
/* SAR ADC Inline Command Control 1 (0x0210) */
#define RT5682_SAR_BUTT_DET_MASK (0x1 << 15)
#define RT5682_SAR_BUTT_DET_EN (0x1 << 15)