leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

ASoC: TWL4030: Fix for digital loopback gain range

Browse Source 
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@nokia.com>
Acked-by: Mark Brown <broonie@opensource.wolfsomicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
This commit is contained in:
Peter Ujfalusi 2010-07-12 11:50:06 +03:00 committed by Liam Girdwood
parent 66b47fdb85
commit 8b0d31532e
1 changed files with 4 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
sound/soc/codecs/twl4030.c
View File

@ -540,10 +540,11 @@ static const struct snd_kcontrol_new twl4030_dapm_abypassl2_control =
static const struct snd_kcontrol_new twl4030_dapm_abypassv_control = static const struct snd_kcontrol_new twl4030_dapm_abypassv_control =
SOC_DAPM_SINGLE("Switch", TWL4030_REG_VDL_APGA_CTL, 2, 1, 0); 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[] = { static const unsigned int twl4030_dapm_dbypass_tlv[] = {
TLV_DB_RANGE_HEAD(2), TLV_DB_RANGE_HEAD(3),
0, 3, TLV_DB_SCALE_ITEM(-2400, 0, 1), 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), 4, 7, TLV_DB_SCALE_ITEM(-1800, 600, 0),
}; };