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ALSA: hda - Add missing check of pin vref 50 and others in Realtek codecs

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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: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2009-05-25 08:06:02 +02:00
parent 679d92ed14
commit 461c6c3a0a
1 changed files with 6 additions and 0 deletions
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6
sound/pci/hda/patch_realtek.c
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@ -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);
}