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ASoC: Tegra: Harmony: Implement mic detection

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* Add jack definition for mic jack
* Request wm8903 to enable mic detection
* Force mic bias on, since it's required for mic detection

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Stephen Warren 2011-02-10 15:37:16 -07:00 committed by Mark Brown
parent 535787b6ae
commit 41b5f9b349
1 changed files with 22 additions and 3 deletions
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25
sound/soc/tegra/harmony.c
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@ -43,6 +43,8 @@
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include "../codecs/wm8903.h"
#include "tegra_das.h"
#include "tegra_i2s.h"
#include "tegra_pcm.h"
@ -142,6 +144,15 @@ static struct snd_soc_jack_gpio harmony_hp_jack_gpios[] = {
}
};
static struct snd_soc_jack harmony_mic_jack;
static struct snd_soc_jack_pin harmony_mic_jack_pins[] = {
{
.pin = "Mic Jack",
.mask = SND_JACK_MICROPHONE,
},
};
static int harmony_event_int_spk(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *k, int event)
{
@ -206,9 +217,6 @@ static int harmony_asoc_init(struct snd_soc_pcm_runtime *rtd)
snd_soc_dapm_add_routes(dapm, harmony_audio_map,
ARRAY_SIZE(harmony_audio_map));
snd_soc_dapm_enable_pin(dapm, "Mic Jack");
snd_soc_dapm_sync(dapm);
harmony_hp_jack_gpios[0].gpio = pdata->gpio_hp_det;
snd_soc_jack_new(codec, "Headphone Jack", SND_JACK_HEADPHONE,
&harmony_hp_jack);
@ -219,6 +227,17 @@ static int harmony_asoc_init(struct snd_soc_pcm_runtime *rtd)
ARRAY_SIZE(harmony_hp_jack_gpios),
harmony_hp_jack_gpios);
snd_soc_jack_new(codec, "Mic Jack", SND_JACK_MICROPHONE,
&harmony_mic_jack);
snd_soc_jack_add_pins(&harmony_mic_jack,
ARRAY_SIZE(harmony_mic_jack_pins),
harmony_mic_jack_pins);
wm8903_mic_detect(codec, &harmony_mic_jack, SND_JACK_MICROPHONE, 0);
snd_soc_dapm_force_enable_pin(dapm, "Mic Bias");
snd_soc_dapm_sync(dapm);
return 0;
}