ALSA: hda - Fix Internal Mic boost can't control with ALC283

ALC283 pin control for Line1 default control by hidden register. Use line1 as internal Mic will not get sound when boost value up. Set control by verb for hidden register will solve this issue. Signed-off-by: Kailang Yang <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
kawasaki · Sep 27, 2013 · 068fd3a · 068fd3a
1 parent a076052
commit 068fd3a
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
@@ -3439,6 +3439,9 @@ static void alc283_fixup_chromebook(struct hda_codec *codec,
 		/* Set to manual mode */
 		val = alc_read_coef_idx(codec, 0x06);
 		alc_write_coef_idx(codec, 0x06, val & ~0x000c);
+		/* Enable Line1 input control by verb */
+		val = alc_read_coef_idx(codec, 0x1a);
+		alc_write_coef_idx(codec, 0x1a, val | (1 << 4));
 		break;
 	}
 }