linux-kernel - [PATCH v1 1/1] ASoC: wm8903: implement DMIC support

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Date:   Sat, 25 Mar 2023 10:36:43 +0200
From:   Svyatoslav Ryhel <clamor95@...il.com>
To:     Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Svyatoslav Ryhel <clamor95@...il.com>,
        Maxim Schwalm <maxim.schwalm@...il.com>,
        Dmitry Osipenko <digetx@...il.com>
Cc:     patches@...nsource.cirrus.com, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v1 1/1] ASoC: wm8903: implement DMIC support

Add DMIC input and routing.

Tested-by: Svyatoslav Ryhel <clamor95@...il.com> # ASUS TF300T
Signed-off-by: Svyatoslav Ryhel <clamor95@...il.com>
---
 sound/soc/codecs/wm8903.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/sound/soc/codecs/wm8903.c b/sound/soc/codecs/wm8903.c
index 41346e5ec5ad..9c2f0aadcff3 100644
--- a/sound/soc/codecs/wm8903.c
+++ b/sound/soc/codecs/wm8903.c
@@ -9,7 +9,6 @@
  *
  * TODO:
  *  - TDM mode configuration.
- *  - Digital microphone support.
  */
 
 #include <linux/module.h>
@@ -816,6 +815,7 @@ SND_SOC_DAPM_INPUT("IN2L"),
 SND_SOC_DAPM_INPUT("IN2R"),
 SND_SOC_DAPM_INPUT("IN3L"),
 SND_SOC_DAPM_INPUT("IN3R"),
+SND_SOC_DAPM_INPUT("DMIC"),
 SND_SOC_DAPM_INPUT("DMICDAT"),
 
 SND_SOC_DAPM_OUTPUT("HPOUTL"),
@@ -996,6 +996,9 @@ static const struct snd_soc_dapm_route wm8903_intercon[] = {
 	{ "AIFTXL", NULL, "Left Capture Mux" },
 	{ "AIFTXR", NULL, "Right Capture Mux" },
 
+	{ "ADCL", NULL, "DMIC" },
+	{ "ADCR", NULL, "DMIC" },
+
 	{ "ADCL", NULL, "Left ADC Input" },
 	{ "ADCL", NULL, "CLK_DSP" },
 	{ "ADCR", NULL, "Right ADC Input" },
-- 
2.37.2