[alsa-devel] [PATCH] ASoC: TWL4030: Fix for digital loopback gain range

[Peter Ujfalusi]

When the gain is configured using dB value it was
not possible to use -24dB since the loopback got
muted instead of -24dB.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi at nokia.com>
---
 sound/soc/codecs/twl4030.c |    7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/sound/soc/codecs/twl4030.c b/sound/soc/codecs/twl4030.c
index 8d36bfa..d7f0048 100644
--- a/sound/soc/codecs/twl4030.c
+++ b/sound/soc/codecs/twl4030.c
@@ -540,10 +540,11 @@ static const struct snd_kcontrol_new twl4030_dapm_abypassl2_control =
 static const struct snd_kcontrol_new twl4030_dapm_abypassv_control =
 	SOC_DAPM_SINGLE("Switch", TWL4030_REG_VDL_APGA_CTL, 2, 1, 0);
 
-/* Digital bypass gain, 0 mutes the bypass */
+/* Digital bypass gain, mute instead of -30dB */
 static const unsigned int twl4030_dapm_dbypass_tlv[] = {
-	TLV_DB_RANGE_HEAD(2),
-	0, 3, TLV_DB_SCALE_ITEM(-2400, 0, 1),
+	TLV_DB_RANGE_HEAD(3),
+	0, 1, TLV_DB_SCALE_ITEM(-3000, 600, 1),
+	2, 3, TLV_DB_SCALE_ITEM(-2400, 0, 0),
 	4, 7, TLV_DB_SCALE_ITEM(-1800, 600, 0),
 };
 
-- 
1.7.1