diff options
| author |   Dmitry Osipenko <digetx@gmail.com> | 2020-03-20 23:55:04 +0300 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2020-03-23 17:58:14 +0000 |
| commit | a30b59bffcb728b429288a24518bc0891c1122bb (patch) | |
| tree | 2fd180ec925ef7adcc664706ce20a9e2497b9bcb /sound/soc/tegra/tegra_wm8903.c | |
| parent | ASoC: soc-core: Merge CPU/Codec for soc_dai_pcm_new() (diff) | |
| download | linux-dev-a30b59bffcb728b429288a24518bc0891c1122bb.tar.xz linux-dev-a30b59bffcb728b429288a24518bc0891c1122bb.zip | |
ASoC: tegra: tegra_wm8903: Support DAPM events for built-in microphone
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@gmail.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Link: https://lore.kernel.org/r/20200320205504.30466-3-digetx@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/tegra/tegra_wm8903.c')
| -rw-r--r-- | sound/soc/tegra/tegra_wm8903.c | 18 |
1 files changed, 18 insertions, 0 deletions
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) |