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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 <bardliao@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Bard Liao 2018-07-03 13:07:25 +08:00 committed by Mark Brown
parent 424e2b4b35
commit 2daf3d9962
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GPG Key ID: 24D68B725D5487D0
1 changed files with 6 additions and 0 deletions
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6
sound/soc/codecs/rt5682.c
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@ -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;
}
@ -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),
@ -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"},