ALSA: hda - Disable fallback to model=acer for Acer laptops

The model=acer for ALC883/889 doesn't work well for the recent Acer
Aspire laptops.  Since model=auto works better nowadays, it's safer
to use the default fallback instead of the Acer specific one.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index c14020a..51954ba 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -8622,8 +8622,10 @@
 		ALC888_ACER_ASPIRE_4930G),
 	SND_PCI_QUIRK(0x1025, 0x0166, "Acer Aspire 6530G",
 		ALC888_ACER_ASPIRE_4930G),
-	/* default Acer */
-	SND_PCI_QUIRK_VENDOR(0x1025, "Acer laptop", ALC883_ACER),
+	/* default Acer -- disabled as it causes more problems.
+	 *    model=auto should work fine now
+	 */
+	/* SND_PCI_QUIRK_VENDOR(0x1025, "Acer laptop", ALC883_ACER), */
 	SND_PCI_QUIRK(0x1028, 0x020d, "Dell Inspiron 530", ALC888_6ST_DELL),
 	SND_PCI_QUIRK(0x103c, 0x2a3d, "HP Pavillion", ALC883_6ST_DIG),
 	SND_PCI_QUIRK(0x103c, 0x2a4f, "HP Samba", ALC888_3ST_HP),