From d5e4b0adf6e694f9a8fb31f51fc381bd8be17eae Mon Sep 17 00:00:00 2001 From: Misael Lopez Cruz Date: Thu, 12 May 2011 16:26:20 +0100 Subject: [PATCH] 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: Misael Lopez Cruz Signed-off-by: Liam Girdwood Signed-off-by: Mark Brown --- sound/soc/codecs/dmic.c | 26 +++++++++++++++++++++++++- 1 file changed, 25 insertions(+), 1 deletion(-) diff --git a/sound/soc/codecs/dmic.c b/sound/soc/codecs/dmic.c index 57e9dac88d38..f9a87737ec16 100644 --- a/sound/soc/codecs/dmic.c +++ b/sound/soc/codecs/dmic.c @@ -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) { -- 2.20.1