diff options
| author | Dylan Reid <dgreid@chromium.org> | 2014-10-02 18:42:44 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2014-10-03 12:22:02 +0200 |
| commit | 9766a1cfe5ef2042d1e604e2223629dc43307a21 (patch) | |
| tree | 5441936629e0f4b72e4e21b5daf33b9fb01ca0a5 /sound | |
| parent | Linux 3.17-rc1 (diff) | |
| download | linux-9766a1cfe5ef2042d1e604e2223629dc43307a21.tar.xz linux-9766a1cfe5ef2042d1e604e2223629dc43307a21.zip | |
ASoC: tegra: add mic detect gpio to tegra_max98090
Add an optional mic detect gpio property. If specified in device tree
there will be a mic jack created for the given gpio. This will be
used by the Tegra-based Chromebooks.
Signed-off-by: Dylan Reid <dgreid@chromium.org>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/tegra/tegra_max98090.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/sound/soc/tegra/tegra_max98090.c b/sound/soc/tegra/tegra_max98090.c index b86cd9936ef1..01921d7e73fa 100644 --- a/sound/soc/tegra/tegra_max98090.c +++ b/sound/soc/tegra/tegra_max98090.c @@ -42,6 +42,7 @@ struct tegra_max98090 { struct tegra_asoc_utils_data util_data; int gpio_hp_det; + int gpio_mic_det; }; static int tegra_max98090_asoc_hw_params(struct snd_pcm_substream *substream, @@ -112,6 +113,22 @@ static struct snd_soc_jack_gpio tegra_max98090_hp_jack_gpio = { .invert = 1, }; +static struct snd_soc_jack tegra_max98090_mic_jack; + +static struct snd_soc_jack_pin tegra_max98090_mic_jack_pins[] = { + { + .pin = "Mic Jack", + .mask = SND_JACK_MICROPHONE, + }, +}; + +static struct snd_soc_jack_gpio tegra_max98090_mic_jack_gpio = { + .name = "Mic detection", + .report = SND_JACK_MICROPHONE, + .debounce_time = 150, + .invert = 1, +}; + static const struct snd_soc_dapm_widget tegra_max98090_dapm_widgets[] = { SND_SOC_DAPM_HP("Headphones", NULL), SND_SOC_DAPM_SPK("Speakers", NULL), @@ -141,6 +158,19 @@ static int tegra_max98090_asoc_init(struct snd_soc_pcm_runtime *rtd) &tegra_max98090_hp_jack_gpio); } + if (gpio_is_valid(machine->gpio_mic_det)) { + snd_soc_jack_new(codec, "Mic Jack", SND_JACK_MICROPHONE, + &tegra_max98090_mic_jack); + snd_soc_jack_add_pins(&tegra_max98090_mic_jack, + ARRAY_SIZE(tegra_max98090_mic_jack_pins), + tegra_max98090_mic_jack_pins); + + tegra_max98090_mic_jack_gpio.gpio = machine->gpio_mic_det; + snd_soc_jack_add_gpios(&tegra_max98090_mic_jack, + 1, + &tegra_max98090_mic_jack_gpio); + } + return 0; } @@ -153,6 +183,11 @@ static int tegra_max98090_card_remove(struct snd_soc_card *card) &tegra_max98090_hp_jack_gpio); } + if (gpio_is_valid(machine->gpio_mic_det)) { + snd_soc_jack_free_gpios(&tegra_max98090_mic_jack, 1, + &tegra_max98090_mic_jack_gpio); + } + return 0; } @@ -201,6 +236,11 @@ static int tegra_max98090_probe(struct platform_device *pdev) if (machine->gpio_hp_det == -EPROBE_DEFER) return -EPROBE_DEFER; + machine->gpio_mic_det = + of_get_named_gpio(np, "nvidia,mic-det-gpios", 0); + if (machine->gpio_mic_det == -EPROBE_DEFER) + return -EPROBE_DEFER; + ret = snd_soc_of_parse_card_name(card, "nvidia,model"); if (ret) goto err; |