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Commit 461c6c3a authored by Takashi Iwai's avatar Takashi Iwai
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ALSA: hda - Add missing check of pin vref 50 and others in Realtek codecs 



Some Realtek codecs like ALC861 seem to support only VREF50 while the
current driver assumes it's only VREF80.  Check other VREF bits to set
the correct value.

Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 679d92ed

sound/pci/hda/patch_realtek.c

+6 −0
Original line number Diff line number Diff line
@@ -776,6 +776,12 @@ static void alc_set_input_pin(struct hda_codec *codec, hda_nid_t nid, 
		pincap = (pincap & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;

		if (pincap & AC_PINCAP_VREF_80)

			val = PIN_VREF80;

		else if (pincap & AC_PINCAP_VREF_50)

			val = PIN_VREF50;

		else if (pincap & AC_PINCAP_VREF_100)

			val = PIN_VREF100;

		else if (pincap & AC_PINCAP_VREF_GRD)

			val = PIN_VREFGRD;

	}

	snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_PIN_WIDGET_CONTROL, val);

}