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 <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/include/linux/mfd/twl6040.h b/include/linux/mfd/twl6040.h
index 8f9fc3d..8e95cd8 100644 (file)
--- 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
index bc3de2e..d1e3a93 100644 (file)
--- 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);