PM8916 has three TX inputs that each have an (optional) internal RBIAS resistor. MIC BIAS Internal1/2 (for TX1/2) are already supported. TX3 does not have its own MIC BIAS supply, instead it is also supplied from MIC BIAS1.
Now that we have simplified the MIC BIAS Internal* implementation we can easily add support for it:
Add a MIC BIAS Internal3 supply that enables the internal RBIAS resistor on TX3, and make sure to enable MIC BIAS External1.
Tested-by: Nikita Travkin nikitos.tr@gmail.com # longcheer-l8150 Cc: Srinivas Kandagatla srinivas.kandagatla@linaro.org Signed-off-by: Stephan Gerhold stephan@gerhold.net --- sound/soc/codecs/msm8916-wcd-analog.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/sound/soc/codecs/msm8916-wcd-analog.c b/sound/soc/codecs/msm8916-wcd-analog.c index 930baae6eff5..5e452b2457b2 100644 --- a/sound/soc/codecs/msm8916-wcd-analog.c +++ b/sound/soc/codecs/msm8916-wcd-analog.c @@ -852,6 +852,7 @@ static const struct snd_soc_dapm_route pm8916_wcd_analog_audio_map[] = {
{"MIC BIAS Internal1", NULL, "MIC BIAS External1"}, {"MIC BIAS Internal2", NULL, "MIC BIAS External2"}, + {"MIC BIAS Internal3", NULL, "MIC BIAS External1"}, {"MIC BIAS External1", NULL, "INT_LDO_H"}, {"MIC BIAS External2", NULL, "INT_LDO_H"}, {"MIC BIAS External1", NULL, "vdd-micbias"}, @@ -914,6 +915,9 @@ static const struct snd_soc_dapm_widget pm8916_wcd_analog_dapm_widgets[] = { pm8916_wcd_analog_enable_micbias_int2, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), + SND_SOC_DAPM_SUPPLY("MIC BIAS Internal3", CDC_A_MICB_1_INT_RBIAS, 1, 0, + pm8916_wcd_analog_enable_micbias_int, + SND_SOC_DAPM_PRE_PMU),
SND_SOC_DAPM_SUPPLY("MIC BIAS External1", CDC_A_MICB_1_EN, 7, 0, pm8916_wcd_analog_enable_micbias_ext1,