The enable-GPIO needs to be toggled on a DAPM event in order to turn
microphone ON/OFF, otherwise microphone won't work.
Signed-off-by: Dmitry Osipenko <digetx@xxxxxxxxx>
---
sound/soc/tegra/tegra_wm8903.c | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/sound/soc/tegra/tegra_wm8903.c b/sound/soc/tegra/tegra_wm8903.c
index f08d3489c3cf..071c7d2de77c 100644
--- a/sound/soc/tegra/tegra_wm8903.c
+++ b/sound/soc/tegra/tegra_wm8903.c
@@ -143,14 +143,32 @@ static int tegra_wm8903_event_hp(struct snd_soc_dapm_widget *w,
return 0;
}
+static int tegra_wm8903_event_int_mic(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *k, int event)
+{
+ struct snd_soc_dapm_context *dapm = w->dapm;
+ struct snd_soc_card *card = dapm->card;
+ struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card);
+
+ if (!gpio_is_valid(machine->gpio_int_mic_en))
+ return 0;
+
+ gpio_set_value_cansleep(machine->gpio_int_mic_en,
+ SND_SOC_DAPM_EVENT_ON(event));
+
+ return 0;
+}
+
static const struct snd_soc_dapm_widget tegra_wm8903_dapm_widgets[] = {
SND_SOC_DAPM_SPK("Int Spk", tegra_wm8903_event_int_spk),
SND_SOC_DAPM_HP("Headphone Jack", tegra_wm8903_event_hp),
SND_SOC_DAPM_MIC("Mic Jack", NULL),
+ SND_SOC_DAPM_MIC("Int Mic", tegra_wm8903_event_int_mic),
};
static const struct snd_kcontrol_new tegra_wm8903_controls[] = {
SOC_DAPM_PIN_SWITCH("Int Spk"),
+ SOC_DAPM_PIN_SWITCH("Int Mic"),
};
static int tegra_wm8903_init(struct snd_soc_pcm_runtime *rtd)
--
2.25.1
