diff options
Diffstat (limited to 'sound/soc/codecs/da7219.c')
| -rw-r--r-- | sound/soc/codecs/da7219.c | 139 |
1 files changed, 121 insertions, 18 deletions
diff --git a/sound/soc/codecs/da7219.c b/sound/soc/codecs/da7219.c index cf37936..9960162 100644 --- a/sound/soc/codecs/da7219.c +++ b/sound/soc/codecs/da7219.c @@ -823,6 +823,85 @@ static int da7219_dai_event(struct snd_soc_dapm_widget *w, } } +static int da7219_settling_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + switch (event) { + case SND_SOC_DAPM_POST_PMU: + case SND_SOC_DAPM_POST_PMD: + msleep(DA7219_SETTLING_DELAY); + break; + default: + break; + } + + return 0; +} + +static int da7219_mixout_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); + u8 hp_ctrl, min_gain_mask; + + switch (w->reg) { + case DA7219_MIXOUT_L_CTRL: + hp_ctrl = DA7219_HP_L_CTRL; + min_gain_mask = DA7219_HP_L_AMP_MIN_GAIN_EN_MASK; + break; + case DA7219_MIXOUT_R_CTRL: + hp_ctrl = DA7219_HP_R_CTRL; + min_gain_mask = DA7219_HP_R_AMP_MIN_GAIN_EN_MASK; + break; + default: + return -EINVAL; + } + + switch (event) { + case SND_SOC_DAPM_PRE_PMD: + /* Enable minimum gain on HP to avoid pops */ + snd_soc_update_bits(codec, hp_ctrl, min_gain_mask, + min_gain_mask); + + msleep(DA7219_MIN_GAIN_DELAY); + + break; + case SND_SOC_DAPM_POST_PMU: + /* Remove minimum gain on HP */ + snd_soc_update_bits(codec, hp_ctrl, min_gain_mask, 0); + + break; + } + + return 0; +} + +static int da7219_gain_ramp_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); + struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec); + + switch (event) { + case SND_SOC_DAPM_PRE_PMU: + case SND_SOC_DAPM_PRE_PMD: + /* Ensure nominal gain ramping for DAPM sequence */ + da7219->gain_ramp_ctrl = + snd_soc_read(codec, DA7219_GAIN_RAMP_CTRL); + snd_soc_write(codec, DA7219_GAIN_RAMP_CTRL, + DA7219_GAIN_RAMP_RATE_NOMINAL); + break; + case SND_SOC_DAPM_POST_PMU: + case SND_SOC_DAPM_POST_PMD: + /* Restore previous gain ramp settings */ + snd_soc_write(codec, DA7219_GAIN_RAMP_CTRL, + da7219->gain_ramp_ctrl); + break; + } + + return 0; +} + /* * DAPM Widgets @@ -907,30 +986,46 @@ static const struct snd_soc_dapm_widget da7219_dapm_widgets[] = { ARRAY_SIZE(da7219_st_out_filtr_mix_controls)), /* DACs */ - SND_SOC_DAPM_DAC("DACL", NULL, DA7219_DAC_L_CTRL, DA7219_DAC_L_EN_SHIFT, - DA7219_NO_INVERT), - SND_SOC_DAPM_DAC("DACR", NULL, DA7219_DAC_R_CTRL, DA7219_DAC_R_EN_SHIFT, - DA7219_NO_INVERT), + SND_SOC_DAPM_DAC_E("DACL", NULL, DA7219_DAC_L_CTRL, + DA7219_DAC_L_EN_SHIFT, DA7219_NO_INVERT, + da7219_settling_event, + SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), + SND_SOC_DAPM_DAC_E("DACR", NULL, DA7219_DAC_R_CTRL, + DA7219_DAC_R_EN_SHIFT, DA7219_NO_INVERT, + da7219_settling_event, + SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), /* Output PGAs */ - SND_SOC_DAPM_PGA("Mixout Left PGA", DA7219_MIXOUT_L_CTRL, - DA7219_MIXOUT_L_AMP_EN_SHIFT, DA7219_NO_INVERT, - NULL, 0), - SND_SOC_DAPM_PGA("Mixout Right PGA", DA7219_MIXOUT_R_CTRL, - DA7219_MIXOUT_R_AMP_EN_SHIFT, DA7219_NO_INVERT, - NULL, 0), - SND_SOC_DAPM_PGA("Headphone Left PGA", DA7219_HP_L_CTRL, - DA7219_HP_L_AMP_EN_SHIFT, DA7219_NO_INVERT, NULL, 0), - SND_SOC_DAPM_PGA("Headphone Right PGA", DA7219_HP_R_CTRL, - DA7219_HP_R_AMP_EN_SHIFT, DA7219_NO_INVERT, NULL, 0), + SND_SOC_DAPM_PGA_E("Mixout Left PGA", DA7219_MIXOUT_L_CTRL, + DA7219_MIXOUT_L_AMP_EN_SHIFT, DA7219_NO_INVERT, + NULL, 0, da7219_mixout_event, + SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), + SND_SOC_DAPM_PGA_E("Mixout Right PGA", DA7219_MIXOUT_R_CTRL, + DA7219_MIXOUT_R_AMP_EN_SHIFT, DA7219_NO_INVERT, + NULL, 0, da7219_mixout_event, + SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), + SND_SOC_DAPM_SUPPLY_S("Headphone Left PGA", 1, DA7219_HP_L_CTRL, + DA7219_HP_L_AMP_EN_SHIFT, DA7219_NO_INVERT, + da7219_settling_event, + SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), + SND_SOC_DAPM_SUPPLY_S("Headphone Right PGA", 1, DA7219_HP_R_CTRL, + DA7219_HP_R_AMP_EN_SHIFT, DA7219_NO_INVERT, + da7219_settling_event, + SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), /* Output Supplies */ - SND_SOC_DAPM_SUPPLY("Charge Pump", DA7219_CP_CTRL, DA7219_CP_EN_SHIFT, - DA7219_NO_INVERT, NULL, 0), + SND_SOC_DAPM_SUPPLY_S("Charge Pump", 0, DA7219_CP_CTRL, + DA7219_CP_EN_SHIFT, DA7219_NO_INVERT, + da7219_settling_event, + SND_SOC_DAPM_POST_PMU), /* Outputs */ SND_SOC_DAPM_OUTPUT("HPL"), SND_SOC_DAPM_OUTPUT("HPR"), + + /* Pre/Post Power */ + SND_SOC_DAPM_PRE("Pre Power Gain Ramp", da7219_gain_ramp_event), + SND_SOC_DAPM_POST("Post Power Gain Ramp", da7219_gain_ramp_event), }; @@ -1003,8 +1098,8 @@ static const struct snd_soc_dapm_route da7219_audio_map[] = { {"Mixout Left PGA", NULL, "DACL"}, {"Mixout Right PGA", NULL, "DACR"}, - {"Headphone Left PGA", NULL, "Mixout Left PGA"}, - {"Headphone Right PGA", NULL, "Mixout Right PGA"}, + {"HPL", NULL, "Mixout Left PGA"}, + {"HPR", NULL, "Mixout Right PGA"}, {"HPL", NULL, "Headphone Left PGA"}, {"HPR", NULL, "Headphone Right PGA"}, @@ -1712,6 +1807,14 @@ static int da7219_probe(struct snd_soc_codec *codec) DA7219_HP_R_AMP_RAMP_EN_MASK, DA7219_HP_R_AMP_RAMP_EN_MASK); + /* Default minimum gain on HP to avoid pops during DAPM sequencing */ + snd_soc_update_bits(codec, DA7219_HP_L_CTRL, + DA7219_HP_L_AMP_MIN_GAIN_EN_MASK, + DA7219_HP_L_AMP_MIN_GAIN_EN_MASK); + snd_soc_update_bits(codec, DA7219_HP_R_CTRL, + DA7219_HP_R_AMP_MIN_GAIN_EN_MASK, + DA7219_HP_R_AMP_MIN_GAIN_EN_MASK); + /* Default infinite tone gen, start/stop by Kcontrol */ snd_soc_write(codec, DA7219_TONE_GEN_CYCLES, DA7219_BEEP_CYCLES_MASK); |
