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ALSA: hda - Flush dirty amp caches before writing inv_dmic fix

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The inverted dmic fix overwrites the right channel amp value, but it
would work only when the amp values have been already actually
written.  Put snd_hda_codec_resume_amp() before the amp write for
flushing caches.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2012-12-20 11:33:20 +01:00
parent 3bcce5c0d9
commit c4f3ebed3c
1 changed files with 3 additions and 0 deletions
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3
sound/pci/hda/patch_realtek.c
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@ -633,6 +633,9 @@ static void alc_inv_dmic_sync_adc(struct hda_codec *codec, int adc_idx)
parm = AC_AMP_SET_RIGHT |
(dir == HDA_OUTPUT ? AC_AMP_SET_OUTPUT : AC_AMP_SET_INPUT);
/* flush all cached amps at first */
snd_hda_codec_resume_amp(codec);
/* we care only right channel */
val = snd_hda_codec_amp_read(codec, nid, 1, dir, 0);
if (val & 0x80) /* if already muted, we don't need to touch */