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Commit d5e4b0ad authored by Misael Lopez Cruz's avatar Misael Lopez Cruz Committed by Mark Brown
Browse files

ASoC: DMIC codec - Add input widget 



Digital microphones can have some additional elements in their
audio path (like microphone bias). An input widget is required
for digital microphone CODEC driver to allow external connections
in machine drivers.

Signed-off-by: default avatarMisael Lopez Cruz <misael.lopez@ti.com>
Signed-off-by: default avatarLiam Girdwood <lrg@ti.com>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent 22de71ba

sound/soc/codecs/dmic.c

+25 −1
Original line number Diff line number Diff line
@@ -39,7 +39,31 @@ static struct snd_soc_dai_driver dmic_dai = { 
	},

};



static struct snd_soc_codec_driver soc_dmic = {};

static const struct snd_soc_dapm_widget dmic_dapm_widgets[] = {

	SND_SOC_DAPM_AIF_OUT("DMIC AIF", "Capture", 0,

			     SND_SOC_NOPM, 0, 0),

	SND_SOC_DAPM_INPUT("DMic"),

};



static const struct snd_soc_dapm_route intercon[] = {

	{"DMIC AIF", NULL, "DMic"},

};



static int dmic_probe(struct snd_soc_codec *codec)

{

	struct snd_soc_dapm_context *dapm = &codec->dapm;



	snd_soc_dapm_new_controls(dapm, dmic_dapm_widgets,

				  ARRAY_SIZE(dmic_dapm_widgets));

        snd_soc_dapm_add_routes(dapm, intercon, ARRAY_SIZE(intercon));

	snd_soc_dapm_new_widgets(dapm);



	return 0;

}



static struct snd_soc_codec_driver soc_dmic = {

	.probe	= dmic_probe,

};



static int __devinit dmic_dev_probe(struct platform_device *pdev)

{