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

From: Svyatoslav Ryhel
Date: Sat Mar 25 2023 - 04:37:43 EST


Add DMIC input and routing.

Tested-by: Svyatoslav Ryhel <clamor95@xxxxxxxxx> # ASUS TF300T
Signed-off-by: Svyatoslav Ryhel <clamor95@xxxxxxxxx>
---
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