[PATCH v2 2/3] ASoC: tegra: Add sink for the internal mic to tegra_max98090

From: Tomeu Vizoso
Date: Thu Feb 12 2015 - 03:42:43 EST


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>
Acked-by: Stephen Warren <swarren@xxxxxxxxxx>
---
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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