From: Derek Fang derek.fang@realtek.com

[ Upstream commit 4b19e4a77cc6baa0f840e8bae62ab974667f6207 ]

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 Signed-off-by: Sasha Levin sashal@kernel.org --- sound/soc/codecs/rt5682.c | 56 +++++++++++++++++++++++++++++++++------ sound/soc/codecs/rt5682.h | 20 ++++++++++++++ 2 files changed, 68 insertions(+), 8 deletions(-)

diff --git a/sound/soc/codecs/rt5682.c b/sound/soc/codecs/rt5682.c index 4a64cab99c55b..d550c0705c28b 100644 --- a/sound/soc/codecs/rt5682.c +++ b/sound/soc/codecs/rt5682.c @@ -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, diff --git a/sound/soc/codecs/rt5682.h b/sound/soc/codecs/rt5682.h index b59221048ebf9..8e3244a62c160 100644 --- a/sound/soc/codecs/rt5682.h +++ b/sound/soc/codecs/rt5682.h @@ -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)