ALSA: intel8x0: Add clock quirk entry for AD1981B on IBM ThinkPad X41.

commit 4061db03dd71d195b9973ee466f6ed32f6a3fc16 upstream.

The clock measurement on the AC'97 audio card found in the IBM ThinkPad X41
will often fail, so add a quirk entry to fix it.

Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=441087
Signed-off-by: Vittorio Gambaletta <linuxbugs@vittgam.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

diff --git a/sound/pci/intel8x0.c b/sound/pci/intel8x0.c
index 55f48fb..73b13a0 100644 (file)
--- a/sound/pci/intel8x0.c
+++ b/sound/pci/intel8x0.c
@@ -2858,6 +2858,7 @@ static void __devinit intel8x0_measure_ac97_clock(struct intel8x0 *chip)
 
 static struct snd_pci_quirk intel8x0_clock_list[] __devinitdata = {
        SND_PCI_QUIRK(0x0e11, 0x008a, "AD1885", 41000),
+       SND_PCI_QUIRK(0x1014, 0x0581, "AD1981B", 48000),
        SND_PCI_QUIRK(0x1028, 0x00be, "AD1885", 44100),
        SND_PCI_QUIRK(0x1028, 0x0177, "AD1980", 48000),
        SND_PCI_QUIRK(0x1028, 0x01ad, "AD1981B", 48000),