From: Takashi Iwai <tiwai@suse.de>
Date: Wed, 23 Apr 2008 11:50:08 +0000 (+0200)
Subject: [ALSA] hda - Fix Thinkpad X300 digital mic
X-Git-Tag: v2.6.26-rc1~1087^2~14
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=05808ecc45802c1b533f42ed701a132d4c949034;p=linux-2.6

[ALSA] hda - Fix Thinkpad X300 digital mic

TP X300 digital mic requires additional init verbs with magic COEFs.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
---

diff --git a/sound/pci/hda/patch_analog.c b/sound/pci/hda/patch_analog.c
index f486eb16a3..e0a605adde 100644
--- a/sound/pci/hda/patch_analog.c
+++ b/sound/pci/hda/patch_analog.c
@@ -3740,6 +3740,9 @@ static struct hda_verb ad1984a_thinkpad_verbs[] = {
 	{0x11, AC_VERB_SET_UNSOLICITED_ENABLE, AC_USRSP_EN | AD1884A_HP_EVENT},
 	/* internal mic - dmic */
 	{0x17, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_IN},
+	/* set magic COEFs for dmic */
+	{0x01, AC_VERB_SET_COEF_INDEX, 0x13f7},
+	{0x01, AC_VERB_SET_PROC_COEF, 0x08},
 	{ } /* end */
 };