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authorDaniel T Chen <crimsun@ubuntu.com>2010-05-10 21:50:04 +0200
committerTakashi Iwai <tiwai@suse.de>2010-05-11 08:18:31 +0200
commit0ebf9e3692d640917fb792a7494d05e1f5b1058f (patch)
treea3650c1ad86c5b0ff5a2c7a24517b0cdb8a2720d /sound
parentALSA: Revert "ALSA: hda/realtek: quirk for D945GCLF2 mainboard" (diff)
downloadlinux-0ebf9e3692d640917fb792a7494d05e1f5b1058f.tar.xz
linux-0ebf9e3692d640917fb792a7494d05e1f5b1058f.zip
ALSA: hda: Fix 0 dB for Lenovo models using Conexant CX20549 (Venice)
Reference: http://mailman.alsa-project.org/pipermail/alsa-devel/2010-May/027525.html As reported on the mailing list, we also need to cap to the 0 dB offset for Lenovo models, else the sound will be distorted. Reported-and-Tested-by: Tim Starling <tstarling@wikimedia.org> Cc: <stable@kernel.org> Signed-off-by: Daniel T Chen <crimsun@ubuntu.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
-rw-r--r--sound/pci/hda/patch_conexant.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
index d8213e2231a6..feabb44c7ca4 100644
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -1197,9 +1197,10 @@ static int patch_cxt5045(struct hda_codec *codec)
case 0x103c:
case 0x1631:
case 0x1734:
- /* HP, Packard Bell, & Fujitsu-Siemens laptops have really bad
- * sound over 0dB on NID 0x17. Fix max PCM level to 0 dB
- * (originally it has 0x2b steps with 0dB offset 0x14)
+ case 0x17aa:
+ /* HP, Packard Bell, Fujitsu-Siemens & Lenovo laptops have
+ * really bad sound over 0dB on NID 0x17. Fix max PCM level to
+ * 0 dB (originally it has 0x2b steps with 0dB offset 0x14)
*/
snd_hda_override_amp_caps(codec, 0x17, HDA_INPUT,
(0x14 << AC_AMPCAP_OFFSET_SHIFT) |