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ASoC: rt5682: add button detection mode control
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We are currently using power saving mode for button detection.
However, it will impact the headset recording performance.
This patch will switch button detection to normal mode in capture
and switch to power saving mode in the end of capture.

Signed-off-by: Bard Liao <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
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Bard Liao authored and broonie committed Jul 3, 2018
1 parent 424e2b4 commit 2daf3d9
Showing 1 changed file with 6 additions and 0 deletions.
6 changes: 6 additions & 0 deletions sound/soc/codecs/rt5682.c
Original file line number Diff line number Diff line change
Expand Up @@ -857,6 +857,8 @@ static int rt5682_button_detect(struct snd_soc_component *component)
btn_type = val & 0xfff0;
snd_soc_component_write(component, RT5682_4BTN_IL_CMD_1, val);
pr_debug("%s btn_type=%x\n", __func__, btn_type);
snd_soc_component_update_bits(component,
RT5682_SAR_IL_CMD_2, 0x10, 0x10);

return btn_type;
}
Expand Down Expand Up @@ -1645,6 +1647,8 @@ static const struct snd_soc_dapm_widget rt5682_dapm_widgets[] = {
SND_SOC_DAPM_MIXER("Stereo1 ADC MIXR", RT5682_STO1_ADC_DIG_VOL,
RT5682_R_MUTE_SFT, 1, rt5682_sto1_adc_r_mix,
ARRAY_SIZE(rt5682_sto1_adc_r_mix)),
SND_SOC_DAPM_SUPPLY("BTN Detection Mode", RT5682_SAR_IL_CMD_1,
14, 1, NULL, 0),

/* ADC PGA */
SND_SOC_DAPM_PGA("Stereo1 ADC MIX", SND_SOC_NOPM, 0, 0, NULL, 0),
Expand Down Expand Up @@ -1807,6 +1811,8 @@ static const struct snd_soc_dapm_route rt5682_dapm_routes[] = {
{"Stereo1 ADC MIXR", "ADC2 Switch", "Stereo1 ADC R2 Mux"},
{"Stereo1 ADC MIXR", NULL, "ADC Stereo1 Filter"},

{"ADC Stereo1 Filter", NULL, "BTN Detection Mode"},

{"Stereo1 ADC MIX", NULL, "Stereo1 ADC MIXL"},
{"Stereo1 ADC MIX", NULL, "Stereo1 ADC MIXR"},

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