ALSA: hda: Fix 0 dB for Packard Bell models using Conexant CX20549 (Venice)

BugLink: https://launchpad.net/bugs/541802

The OR's hardware distorts at PCM 100% because it does not correspond to
0 dB. Fix this in patch_cxt5045() for all Packard Bell models.

Reported-by: Valombre
Cc: <stable@kernel.org>
Signed-off-by: Daniel T Chen <crimsun@ubuntu.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 3 insertions, 2 deletions

diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
index e2b698b721db..56e52071c769 100644
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -1195,9 +1195,10 @@ static int patch_cxt5045(struct hda_codec *codec)
 
         switch (codec->subsystem_id >> 16) {
         case 0x103c:
+        case 0x1631:
         case 0x1734:
-                /* HP & Fujitsu-Siemens laptops have really bad sound over 0dB
-                 * on NID 0x17. Fix max PCM level to 0 dB
+                /* 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)
                  */
                 snd_hda_override_amp_caps(codec, 0x17, HDA_INPUT,