From a876a87b6f223d30e5c60617ea0453b5c4ddb2d1 Mon Sep 17 00:00:00 2001
From: Daniel T Chen <crimsun@ubuntu.com>
Date: Sun, 21 Mar 2010 18:34:43 -0400
Subject: [PATCH] --- yaml --- r: 188941 b: refs/heads/master c:
 025f206c9e0f96cc41567b01c07fb852d8900da1 h: refs/heads/master i:   188939:
 b68d5bb3c3263e98c20704a61fc29d005e0870c8 v: v3

---
 [refs]                               |  2 +-
 trunk/sound/pci/hda/patch_conexant.c | 15 +++++++++++++++
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index cbbdc33c1dce..240f6006a13a 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e3d2530a6cea80987f77b75d8784a00f3aaf22ff
+refs/heads/master: 025f206c9e0f96cc41567b01c07fb852d8900da1
diff --git a/trunk/sound/pci/hda/patch_conexant.c b/trunk/sound/pci/hda/patch_conexant.c
index 194a28c54992..61682e1d09da 100644
--- a/trunk/sound/pci/hda/patch_conexant.c
+++ b/trunk/sound/pci/hda/patch_conexant.c
@@ -1591,6 +1591,21 @@ static int patch_cxt5047(struct hda_codec *codec)
 #endif	
 	}
 	spec->vmaster_nid = 0x13;
+
+	switch (codec->subsystem_id >> 16) {
+	case 0x103c:
+		/* HP laptops have really bad sound over 0 dB on NID 0x10.
+		 * Fix max PCM level to 0 dB (originally it has 0x1e steps
+		 * with 0 dB offset 0x17)
+		 */
+		snd_hda_override_amp_caps(codec, 0x10, 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;
+	}
+
 	return 0;
 }