[alsa-devel] [PATCH] ASoC: Intel: byt-rt5640: Enable headset mic bias voltage

Connect "Headset Mic" to "MICBIAS1" supply widget of RT5640 in order to enable bias voltage for headset microphones.

Signed-off-by: Jarkko Nikula jarkko.nikula@linux.intel.com --- sound/soc/intel/byt-rt5640.c | 1 + 1 file changed, 1 insertion(+)

diff --git a/sound/soc/intel/byt-rt5640.c b/sound/soc/intel/byt-rt5640.c index 53d160d39972..234a58de3c53 100644 --- a/sound/soc/intel/byt-rt5640.c +++ b/sound/soc/intel/byt-rt5640.c @@ -34,6 +34,7 @@ static const struct snd_soc_dapm_widget byt_rt5640_widgets[] = { };

static const struct snd_soc_dapm_route byt_rt5640_audio_map[] = { + {"Headset Mic", NULL, "MICBIAS1"}, {"IN2P", NULL, "Headset Mic"}, {"IN2N", NULL, "Headset Mic"}, {"DMIC1", NULL, "Internal Mic"},