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-rw-r--r--Documentation/devicetree/bindings/sound/nvidia,tegra-audio-wm8903.txt1
-rw-r--r--sound/soc/tegra/tegra_wm8903.c6
2 files changed, 6 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/sound/nvidia,tegra-audio-wm8903.txt b/Documentation/devicetree/bindings/sound/nvidia,tegra-audio-wm8903.txt
index a8f2b0c56c79..bbd581a8c5bc 100644
--- a/Documentation/devicetree/bindings/sound/nvidia,tegra-audio-wm8903.txt
+++ b/Documentation/devicetree/bindings/sound/nvidia,tegra-audio-wm8903.txt
@@ -29,6 +29,7 @@ Optional properties:
- nvidia,hp-det-gpios : The GPIO that detect headphones are plugged in
- nvidia,int-mic-en-gpios : The GPIO that enables the internal microphone
- nvidia,ext-mic-en-gpios : The GPIO that enables the external microphone
+- nvidia,headset : The Mic Jack represents state of the headset microphone pin
Example:
diff --git a/sound/soc/tegra/tegra_wm8903.c b/sound/soc/tegra/tegra_wm8903.c
index 9b5651502f12..3aca354f9e08 100644
--- a/sound/soc/tegra/tegra_wm8903.c
+++ b/sound/soc/tegra/tegra_wm8903.c
@@ -177,6 +177,7 @@ static int tegra_wm8903_init(struct snd_soc_pcm_runtime *rtd)
struct snd_soc_component *component = codec_dai->component;
struct snd_soc_card *card = rtd->card;
struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card);
+ int shrt = 0;
if (gpio_is_valid(machine->gpio_hp_det)) {
tegra_wm8903_hp_jack_gpio.gpio = machine->gpio_hp_det;
@@ -189,12 +190,15 @@ static int tegra_wm8903_init(struct snd_soc_pcm_runtime *rtd)
&tegra_wm8903_hp_jack_gpio);
}
+ if (of_property_read_bool(card->dev->of_node, "nvidia,headset"))
+ shrt = SND_JACK_MICROPHONE;
+
snd_soc_card_jack_new(rtd->card, "Mic Jack", SND_JACK_MICROPHONE,
&tegra_wm8903_mic_jack,
tegra_wm8903_mic_jack_pins,
ARRAY_SIZE(tegra_wm8903_mic_jack_pins));
wm8903_mic_detect(component, &tegra_wm8903_mic_jack, SND_JACK_MICROPHONE,
- 0);
+ shrt);
snd_soc_dapm_force_enable_pin(&card->dapm, "MICBIAS");