[alsa-devel] [PATCH] ASoC: Add MICBIAS routing information for WM8904

Hong Xu hong.xu at atmel.com
Fri Mar 16 09:54:58 CET 2012


Add MICBIAS routing entries for WM8904.

Tested on ATMEL's AT91SAM9N12-EK with a electret condenser
microphone connected to IN1L.

Signed-off-by: Hong Xu <hong.xu at atmel.com>
---
 sound/soc/codecs/wm8904.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/sound/soc/codecs/wm8904.c b/sound/soc/codecs/wm8904.c
index 285ef87..2158f30 100644
--- a/sound/soc/codecs/wm8904.c
+++ b/sound/soc/codecs/wm8904.c
@@ -1318,6 +1318,14 @@ static const struct snd_soc_dapm_route core_intercon[] = {
 };
 
 static const struct snd_soc_dapm_route adc_intercon[] = {
+	{ "MICBIAS", NULL, "IN1L" },
+	{ "MICBIAS", NULL, "IN1R" },
+
+	{ "Left Capture Mux", NULL, "MICBIAS" },
+	{ "Right Capture Mux", NULL, "MICBIAS" },
+	{ "Left Capture Inverting Mux", NULL, "MICBIAS" },
+	{ "Right Capture Inverting Mux", NULL, "MICBIAS" },
+
 	{ "Left Capture Mux", "IN1L", "IN1L" },
 	{ "Left Capture Mux", "IN2L", "IN2L" },
 	{ "Left Capture Mux", "IN3L", "IN3L" },
-- 
1.7.6



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