From: Derek Fang derek.fang@realtek.com
Some parts of rt5682s CCF function are implemented by 'I2S1' dapm widget. The coupling risk exists, so this patch fixes it.
Signed-off-by: Derek Fang derek.fang@realtek.com --- sound/soc/codecs/rt5682s.c | 104 +++++++++++++++++++++++-------------- 1 file changed, 66 insertions(+), 38 deletions(-)
diff --git a/sound/soc/codecs/rt5682s.c b/sound/soc/codecs/rt5682s.c index c5c55d146ddf..325d227a2b37 100644 --- a/sound/soc/codecs/rt5682s.c +++ b/sound/soc/codecs/rt5682s.c @@ -1229,41 +1229,58 @@ static int set_dmic_power(struct snd_soc_dapm_widget *w, return 0; }
-static int set_i2s_clk(struct snd_soc_dapm_widget *w, - struct snd_kcontrol *kcontrol, int event) +static void rt5682s_set_i2s(struct rt5682s_priv *rt5682s, int id, int on) { - struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); - struct rt5682s_priv *rt5682s = snd_soc_component_get_drvdata(component); - int pre_div, id; - unsigned int reg, mask, sft; - - if (event != SND_SOC_DAPM_PRE_PMU) - return 0; - - if (w->shift == RT5682S_PWR_I2S2_BIT) { - id = RT5682S_AIF2; - reg = RT5682S_I2S2_M_CLK_CTRL_1; - mask = RT5682S_I2S2_M_D_MASK; - sft = RT5682S_I2S2_M_D_SFT; + struct snd_soc_component *component = rt5682s->component; + int pre_div; + unsigned int p_reg, p_mask, p_sft; + unsigned int c_reg, c_mask, c_sft; + + if (id == RT5682S_AIF1) { + c_reg = RT5682S_ADDA_CLK_1; + c_mask = RT5682S_I2S_M_D_MASK; + c_sft = RT5682S_I2S_M_D_SFT; + p_reg = RT5682S_PWR_DIG_1; + p_mask = RT5682S_PWR_I2S1; + p_sft = RT5682S_PWR_I2S1_BIT; } else { - id = RT5682S_AIF1; - reg = RT5682S_ADDA_CLK_1; - mask = RT5682S_I2S_M_D_MASK; - sft = RT5682S_I2S_M_D_SFT; + c_reg = RT5682S_I2S2_M_CLK_CTRL_1; + c_mask = RT5682S_I2S2_M_D_MASK; + c_sft = RT5682S_I2S2_M_D_SFT; + p_reg = RT5682S_PWR_DIG_1; + p_mask = RT5682S_PWR_I2S2; + p_sft = RT5682S_PWR_I2S2_BIT; }
- if (!rt5682s->master[id]) - return 0; + if (on && rt5682s->master[id]) { + pre_div = get_clk_info(rt5682s->sysclk, rt5682s->lrck[id]); + if (pre_div < 0) { + dev_err(component->dev, "get pre_div failed\n"); + return; + }
- pre_div = get_clk_info(rt5682s->sysclk, rt5682s->lrck[id]); - if (pre_div < 0) { - dev_err(component->dev, "get pre_div failed\n"); - return -EINVAL; + dev_dbg(component->dev, "lrck is %dHz and pre_div is %d for iis %d master\n", + rt5682s->lrck[id], pre_div, id); + snd_soc_component_update_bits(component, c_reg, c_mask, pre_div << c_sft); }
- dev_dbg(component->dev, "lrck is %dHz and pre_div is %d for iis %d master\n", - rt5682s->lrck[id], pre_div, id); - snd_soc_component_update_bits(component, reg, mask, pre_div << sft); + snd_soc_component_update_bits(component, p_reg, p_mask, on << p_sft); +} + +static int set_i2s_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); + struct rt5682s_priv *rt5682s = snd_soc_component_get_drvdata(component); + int on = 0; + + if (SND_SOC_DAPM_EVENT_ON(event)) + on = 1; + + if (!strcmp(w->name, "I2S1") && !rt5682s->wclk_enabled) + rt5682s_set_i2s(rt5682s, RT5682S_AIF1, on); + else if (!strcmp(w->name, "I2S2")) + rt5682s_set_i2s(rt5682s, RT5682S_AIF2, on);
return 0; } @@ -1715,10 +1732,10 @@ static const struct snd_soc_dapm_widget rt5682s_dapm_widgets[] = { SND_SOC_DAPM_PGA("Stereo1 ADC MIX", SND_SOC_NOPM, 0, 0, NULL, 0),
/* Digital Interface */ - SND_SOC_DAPM_SUPPLY("I2S1", RT5682S_PWR_DIG_1, RT5682S_PWR_I2S1_BIT, - 0, set_i2s_clk, SND_SOC_DAPM_PRE_PMU), - SND_SOC_DAPM_SUPPLY("I2S2", RT5682S_PWR_DIG_1, RT5682S_PWR_I2S2_BIT, - 0, set_i2s_clk, SND_SOC_DAPM_PRE_PMU), + SND_SOC_DAPM_SUPPLY("I2S1", SND_SOC_NOPM, 0, 0, + set_i2s_event, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), + SND_SOC_DAPM_SUPPLY("I2S2", SND_SOC_NOPM, 0, 0, + set_i2s_event, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_PGA("IF1 DAC1 L", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_PGA("IF1 DAC1 R", SND_SOC_NOPM, 0, 0, NULL, 0),
@@ -2426,12 +2443,15 @@ static int rt5682s_set_bias_level(struct snd_soc_component *component, RT5682S_PWR_LDO, RT5682S_PWR_LDO); break; case SND_SOC_BIAS_STANDBY: - regmap_update_bits(rt5682s->regmap, RT5682S_PWR_DIG_1, - RT5682S_DIG_GATE_CTRL, RT5682S_DIG_GATE_CTRL); + if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) + regmap_update_bits(rt5682s->regmap, RT5682S_PWR_DIG_1, + RT5682S_DIG_GATE_CTRL, RT5682S_DIG_GATE_CTRL); break; case SND_SOC_BIAS_OFF: - regmap_update_bits(rt5682s->regmap, RT5682S_PWR_DIG_1, - RT5682S_DIG_GATE_CTRL | RT5682S_PWR_LDO, 0); + regmap_update_bits(rt5682s->regmap, RT5682S_PWR_DIG_1, RT5682S_PWR_LDO, 0); + if (!rt5682s->wclk_enabled) + regmap_update_bits(rt5682s->regmap, RT5682S_PWR_DIG_1, + RT5682S_DIG_GATE_CTRL, 0); break; case SND_SOC_BIAS_ON: break; @@ -2473,13 +2493,17 @@ static int rt5682s_wclk_prepare(struct clk_hw *hw) snd_soc_component_update_bits(component, RT5682S_PWR_ANLG_1, RT5682S_PWR_FV2, RT5682S_PWR_FV2);
+ /* Set and power on I2S1 */ + snd_soc_component_update_bits(component, RT5682S_PWR_DIG_1, + RT5682S_DIG_GATE_CTRL, RT5682S_DIG_GATE_CTRL); + rt5682s_set_i2s(rt5682s, RT5682S_AIF1, 1); + rt5682s->wclk_enabled = 1;
mutex_unlock(&rt5682s->wclk_mutex);
snd_soc_dapm_mutex_lock(dapm);
- snd_soc_dapm_force_enable_pin_unlocked(dapm, "I2S1"); /* Only need to power PLLB due to the rate set restriction */ snd_soc_dapm_force_enable_pin_unlocked(dapm, "PLLB"); snd_soc_dapm_sync_unlocked(dapm); @@ -2505,13 +2529,17 @@ static void rt5682s_wclk_unprepare(struct clk_hw *hw) snd_soc_component_update_bits(component, RT5682S_PWR_ANLG_1, RT5682S_PWR_VREF2 | RT5682S_PWR_FV2 | RT5682S_PWR_MB, 0);
+ /* Power down I2S1 */ + rt5682s_set_i2s(rt5682s, RT5682S_AIF1, 0); + snd_soc_component_update_bits(component, RT5682S_PWR_DIG_1, + RT5682S_DIG_GATE_CTRL, 0); + rt5682s->wclk_enabled = 0;
mutex_unlock(&rt5682s->wclk_mutex);
snd_soc_dapm_mutex_lock(dapm);
- snd_soc_dapm_disable_pin_unlocked(dapm, "I2S1"); snd_soc_dapm_disable_pin_unlocked(dapm, "PLLB"); snd_soc_dapm_sync_unlocked(dapm);