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Commit 6981d184 authored by Takashi Iwai's avatar Takashi Iwai
Browse files

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: default avatarTakashi Iwai <tiwai@suse.de>
parent 9ce24a7e

sound/pci/hda/patch_realtek.c

+24 −1
Original line number Diff line number Diff line
@@ -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),