Commit 8f0f5ff6 authored by Daniel T Chen's avatar Daniel T Chen Committed by Takashi Iwai

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: default avatarDaniel T Chen <crimsun@ubuntu.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 231f50bc
......@@ -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,
......
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