---

yaml --- r: 133063 b: refs/heads/master c: 13c989b h: refs/heads/master i: 133061: 9eb80bb 133059: 8934939 133055: 46c542a v: v3
git-mirror · Feb 23, 2009 · 37a7587 · 37a7587
1 parent 81007c1
commit 37a7587
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Showing 2 changed files with 9 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 1618a3281b90c43ccc85b58699508b9864defc8c
+refs/heads/master: 13c989beba166b470b1e6b0fa117148bcbfa3dd1
diff --git a/trunk/sound/pci/hda/patch_analog.c b/trunk/sound/pci/hda/patch_analog.c
@@ -3986,6 +3986,14 @@ static int patch_ad1884a(struct hda_codec *codec)
 		spec->multiout.dig_out_nid = 0;
 		codec->patch_ops.unsol_event = ad1884a_hp_unsol_event;
 		codec->patch_ops.init = ad1884a_hp_init;
+		/* set the upper-limit for mixer amp to 0dB for avoiding the
+		 * possible damage by overloading
+		 */
+		snd_hda_override_amp_caps(codec, 0x20, HDA_INPUT,
+					  (0x17 << AC_AMPCAP_OFFSET_SHIFT) |
+					  (0x17 << AC_AMPCAP_NUM_STEPS_SHIFT) |
+					  (0x05 << AC_AMPCAP_STEP_SIZE_SHIFT) |
+					  (1 << AC_AMPCAP_MUTE_SHIFT));
 		break;
 	case AD1884A_THINKPAD:
 		spec->mixers[0] = ad1984a_thinkpad_mixers;