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ASoC: tegra: tegra_wm8903: Support nvidia, headset property 

The microphone-jack state needs to be masked in a case of a 4-pin jack
when microphone and ground pins are shorted. Presence of nvidia,headset
tells that WM8903 CODEC driver should mask microphone's status if short
circuit is detected, i.e headphones are inserted.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Link: https://lore.kernel.org/r/20200330204011.18465-3-digetx@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Dmitry Osipenko 2020-03-30 23:40:11 +03:00 committed by Mark Brown
parent 8f3d9f3542
commit 3ef9d5073b
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 5 additions and 1 deletions
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6
sound/soc/tegra/tegra_wm8903.c
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@ -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");