ALSA: hda: Fix 0 dB for Packard Bell models using Conexant CX20549 (V…

…enice) 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: <[email protected]> Signed-off-by: Daniel T Chen <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
hanmiltonxing · May 5, 2010 · 8f0f5ff · 8f0f5ff
1 parent 231f50b
commit 8f0f5ff
Showing 1 changed file with 3 additions and 2 deletions.
diff --git 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,