dect
/
linux-2.6
Archived
13
0
Fork 0
Code Releases Activity

ALSA: hda - Add a fix-up for Acer dmic with ALC271x codec 

Acer laptops with ALC271x needs a magic initialization for digital-mic
to make it working with mono streams (and PulseAudio).
Added a fix-up applied to Acer with ALC271x generically.

Cc: <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2011-04-15 10:11:12 +02:00
parent 9ce24a7ea9
commit 6981d18437
1 changed files with 24 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
sound/pci/hda/patch_realtek.c
View File

@ -14868,6 +14868,23 @@ static void alc269_fixup_hweq(struct hda_codec *codec,
alc_write_coef_idx(codec, 0x1e, coef | 0x80);
}
static void alc271_fixup_dmic(struct hda_codec *codec,
const struct alc_fixup *fix, int action)
{
static struct hda_verb verbs[] = {
{0x20, AC_VERB_SET_COEF_INDEX, 0x0d},
{0x20, AC_VERB_SET_PROC_COEF, 0x4000},
{}
};
unsigned int cfg;
if (strcmp(codec->chip_name, "ALC271X"))
return;
cfg = snd_hda_codec_get_pincfg(codec, 0x12);
if (get_defcfg_connect(cfg) == AC_JACK_PORT_FIXED)
snd_hda_sequence_write(codec, verbs);
}
enum {
ALC269_FIXUP_SONY_VAIO,
ALC275_FIXUP_SONY_VAIO_GPIO2,
@ -14876,6 +14893,7 @@ enum {
ALC269_FIXUP_ASUS_G73JW,
ALC269_FIXUP_LENOVO_EAPD,
ALC275_FIXUP_SONY_HWEQ,
ALC271_FIXUP_DMIC,
};
static const struct alc_fixup alc269_fixups[] = {
@ -14929,7 +14947,11 @@ static const struct alc_fixup alc269_fixups[] = {
.v.func = alc269_fixup_hweq,
.chained = true,
.chain_id = ALC275_FIXUP_SONY_VAIO_GPIO2
}
},
[ALC271_FIXUP_DMIC] = {
.type = ALC_FIXUP_FUNC,
.v.func = alc271_fixup_dmic,
},
};
static struct snd_pci_quirk alc269_fixup_tbl[] = {
@ -14938,6 +14960,7 @@ static struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x104d, 0x9084, "Sony VAIO", ALC275_FIXUP_SONY_HWEQ),
SND_PCI_QUIRK_VENDOR(0x104d, "Sony VAIO", ALC269_FIXUP_SONY_VAIO),
SND_PCI_QUIRK(0x1028, 0x0470, "Dell M101z", ALC269_FIXUP_DELL_M101Z),
SND_PCI_QUIRK_VENDOR(0x1025, "Acer Aspire", ALC271_FIXUP_DMIC),
SND_PCI_QUIRK(0x17aa, 0x20f2, "Thinkpad SL410/510", ALC269_FIXUP_SKU_IGNORE),
SND_PCI_QUIRK(0x17aa, 0x215e, "Thinkpad L512", ALC269_FIXUP_SKU_IGNORE),
SND_PCI_QUIRK(0x17aa, 0x21b8, "Thinkpad Edge 14", ALC269_FIXUP_SKU_IGNORE),