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ASoC: mediatek: mt8183-da7219: add speaker switch
Da7219 and max98357a share the same I2S lines. When writing audio data to the I2S, both codecs generate sound. Da7219 already has a separate control "Headphone Switch". Adds a new control "Speakers Switch" for turning on/off max98357a. Userspace program can decide to turn on/off which codecs by different use cases. Signed-off-by: Tzung-Bi Shih <tzungbi@google.com> Link: https://lore.kernel.org/r/20200212124608.2.I5fa3fdca69dbb5d3dd5031c939b9b24095065a94@changeid Signed-off-by: Mark Brown <broonie@kernel.org>
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1 changed files with 19 additions and 0 deletions
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@ -372,9 +372,28 @@ static struct snd_soc_codec_conf mt6358_codec_conf[] = {
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},
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};
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static const struct snd_kcontrol_new mt8183_da7219_max98357_snd_controls[] = {
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SOC_DAPM_PIN_SWITCH("Speakers"),
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};
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static const
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struct snd_soc_dapm_widget mt8183_da7219_max98357_dapm_widgets[] = {
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SND_SOC_DAPM_SPK("Speakers", NULL),
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};
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static const struct snd_soc_dapm_route mt8183_da7219_max98357_dapm_routes[] = {
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{"Speakers", NULL, "Speaker"},
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};
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static struct snd_soc_card mt8183_da7219_max98357_card = {
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.name = "mt8183_da7219_max98357",
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.owner = THIS_MODULE,
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.controls = mt8183_da7219_max98357_snd_controls,
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.num_controls = ARRAY_SIZE(mt8183_da7219_max98357_snd_controls),
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.dapm_widgets = mt8183_da7219_max98357_dapm_widgets,
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.num_dapm_widgets = ARRAY_SIZE(mt8183_da7219_max98357_dapm_widgets),
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.dapm_routes = mt8183_da7219_max98357_dapm_routes,
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.num_dapm_routes = ARRAY_SIZE(mt8183_da7219_max98357_dapm_routes),
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.dai_link = mt8183_da7219_max98357_dai_links,
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.num_links = ARRAY_SIZE(mt8183_da7219_max98357_dai_links),
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.aux_dev = &mt8183_da7219_max98357_headset_dev,
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