[PATCH] Dell laptop lockup fix for ALSA

From: Alan Cox <alan@redhat.com>

OSS avoids the Dell lockup by not hitting the problem register (which
apparently breaks resume on a Sony laptop).  ALSA keeps a flag and uses pci
subvendor info to clear it for problem Dell laptops.  Unfortunately there
is at least one other Dell laptop which is affected.  This adds its sub
id's

[Patch from Dan Williams @ Red Hat slightly reformatted by me]
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

sound/pci/nm256/nm256.c

@@ -1509,6 +1509,10 @@ snd_nm256_create(snd_card_t *card, struct pci_dev *pci,
 		/* this workaround will cause lock-up after suspend/resume on Sony PCG-F305 */
 		chip->latitude_workaround = 0;
 	}
+	if (subsystem_vendor == 0x1028 && subsystem_device == 0x0080) {
+		/* this workaround will cause lock-up after suspend/resume on a Dell laptop */
+		chip->latitude_workaround = 0;
+	}
 
 	snd_nm256_init_chip(chip);