adulau/aha
1
0
Fork 0
mirror of https://github.com/adulau/aha.git synced 2025-01-04 23:23:18 +00:00
Code Issues Projects Releases Packages Wiki Activity

[ALSA] hda: 92HD73xxx distortion fix

Browse source 
Fixed issue on some laptops that if the Master mixer and DAC mixers are
turned all the way up that will cause distortion. This is fixed by limiting
the max volume with the volume knob nid.

Signed-off-by: Matthew Ranostay <mranostay@embeddedalley.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Matthew Ranostay 2008-03-14 08:46:51 +01:00 committed by Takashi Iwai
parent 1bc1f30565
commit d654a66035
1 changed files with 25 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

29
sound/pci/hda/patch_sigmatel.c
View file

@ -534,6 +534,25 @@ static struct hda_verb stac92hd73xx_6ch_core_init[] = {
{}
};
static struct hda_verb dell_eq_core_init[] = {
/* set master volume to max value without distortion
* and direct control */
{ 0x1f, AC_VERB_SET_VOLUME_KNOB_CONTROL, 0xec},
/* setup audio connections */
{ 0x0d, AC_VERB_SET_CONNECT_SEL, 0x00},
{ 0x0a, AC_VERB_SET_CONNECT_SEL, 0x01},
{ 0x0f, AC_VERB_SET_CONNECT_SEL, 0x02},
/* setup adcs to point to mixer */
{ 0x20, AC_VERB_SET_CONNECT_SEL, 0x0b},
{ 0x21, AC_VERB_SET_CONNECT_SEL, 0x0b},
/* setup import muxs */
{ 0x28, AC_VERB_SET_CONNECT_SEL, 0x01},
{ 0x29, AC_VERB_SET_CONNECT_SEL, 0x01},
{ 0x2a, AC_VERB_SET_CONNECT_SEL, 0x01},
{ 0x2b, AC_VERB_SET_CONNECT_SEL, 0x00},
{}
};
static struct hda_verb dell_m6_core_init[] = {
/* set master volume and direct control */
{ 0x1f, AC_VERB_SET_VOLUME_KNOB_CONTROL, 0xff},
@ -3460,17 +3479,19 @@ again:
switch (spec->board_config) {
case STAC_DELL_M6:
spec->init = dell_m6_core_init;
spec->init = dell_eq_core_init;
switch (codec->subsystem_id) {
case 0x1028025e: /* Analog Mics */
case 0x1028025f:
stac92xx_set_config_reg(codec, 0x0b, 0x90A70170);
spec->num_dmics = 0;
break;
case 0x10280254: /* Digital Mics */
case 0x10280255:
case 0x10280271:
case 0x10280271: /* Digital Mics */
case 0x10280272:
spec->init = dell_m6_core_init;
/* fall-through */
case 0x10280254:
case 0x10280255:
stac92xx_set_config_reg(codec, 0x13, 0x90A60160);
spec->num_dmics = 1;
break;