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Commit c4f3ebed authored by Takashi Iwai's avatar Takashi Iwai
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ALSA: hda - Flush dirty amp caches before writing inv_dmic fix 



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: default avatarTakashi Iwai <tiwai@suse.de>
parent 3bcce5c0

sound/pci/hda/patch_realtek.c

+3 −0
Original line number Diff line number Diff line
@@ -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 */