[PATCH 2/3] ASoC: tegra: Add sink for the internal mic to tegra_max98090

[Tomeu Vizoso]

Also adds a control for the pin of the internal mic, so userspace can
apply policy when the state of the external mic jack changes.

Signed-off-by: Tomeu Vizoso <tomeu.vizoso@xxxxxxxxxxxxx>
---
 Documentation/devicetree/bindings/sound/nvidia,tegra-audio-max98090.txt | 1 +
 sound/soc/tegra/tegra_max98090.c                                        | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/nvidia,tegra-audio-max98090.txt b/Documentation/devicetree/bindings/sound/nvidia,tegra-audio-max98090.txt
index c949abc..c3495be 100644
--- a/Documentation/devicetree/bindings/sound/nvidia,tegra-audio-max98090.txt
+++ b/Documentation/devicetree/bindings/sound/nvidia,tegra-audio-max98090.txt
@@ -18,6 +18,7 @@ Required properties:
   * Headphones
   * Speakers
   * Mic Jack
+  * Int Mic
 
 - nvidia,i2s-controller : The phandle of the Tegra I2S controller that's
   connected to the CODEC.
diff --git a/sound/soc/tegra/tegra_max98090.c b/sound/soc/tegra/tegra_max98090.c
index 8df71a4..29ea87c 100644
--- a/sound/soc/tegra/tegra_max98090.c
+++ b/sound/soc/tegra/tegra_max98090.c
@@ -133,11 +133,13 @@ static const struct snd_soc_dapm_widget tegra_max98090_dapm_widgets[] = {
 	SND_SOC_DAPM_HP("Headphones", NULL),
 	SND_SOC_DAPM_SPK("Speakers", NULL),
 	SND_SOC_DAPM_MIC("Mic Jack", NULL),
+	SND_SOC_DAPM_MIC("Int Mic", NULL),
 };
 
 static const struct snd_kcontrol_new tegra_max98090_controls[] = {
 	SOC_DAPM_PIN_SWITCH("Headphones"),
 	SOC_DAPM_PIN_SWITCH("Speakers"),
+	SOC_DAPM_PIN_SWITCH("Int Mic"),
 };
 
 static int tegra_max98090_asoc_init(struct snd_soc_pcm_runtime *rtd)
-- 
1.9.3

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