ASoC: twl6040: Disconnect AUX output pads on digital mute

Disconnect also the path to AUXL from the HF path during digital_mute to avoid pop noise leakage to Line-out pads. Signed-off-by: Peter Ujfalusi <[email protected]> Signed-off-by: Mark Brown <[email protected]>
kyagi · May 18, 2016 · 45c0470 · 45c0470
1 parent 29cf67b
commit 45c0470
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Showing 2 changed files with 3 additions and 2 deletions.
diff --git a/include/linux/mfd/twl6040.h b/include/linux/mfd/twl6040.h
@@ -134,6 +134,7 @@
 #define TWL6040_HFDACENA		(1 << 0)
 #define TWL6040_HFPGAENA		(1 << 1)
 #define TWL6040_HFDRVENA		(1 << 4)
+#define TWL6040_HFSWENA			(1 << 6)
 
 /* VIBCTLL/R (0x18/0x1A) fields */
 

diff --git a/sound/soc/codecs/twl6040.c b/sound/soc/codecs/twl6040.c
@@ -983,9 +983,9 @@ static void twl6040_mute_path(struct snd_soc_codec *codec, enum twl6040_dai_id i
 		if (mute) {
 			/* Power down drivers and DACs */
 			hflctl &= ~(TWL6040_HFDACENA | TWL6040_HFPGAENA |
-				    TWL6040_HFDRVENA);
+				    TWL6040_HFDRVENA | TWL6040_HFSWENA);
 			hfrctl &= ~(TWL6040_HFDACENA | TWL6040_HFPGAENA |
-				    TWL6040_HFDRVENA);
+				    TWL6040_HFDRVENA | TWL6040_HFSWENA);
 		}
 
 		twl6040_reg_write(twl6040, TWL6040_REG_HFLCTL, hflctl);