OSDN Git Service

ALSA: hda - Disable runtime PM for Panther Point again
authorTakashi Iwai <tiwai@suse.de>
Wed, 25 Feb 2015 06:53:31 +0000 (07:53 +0100)
committerTakashi Iwai <tiwai@suse.de>
Wed, 25 Feb 2015 06:53:31 +0000 (07:53 +0100)
This is essentially a partial revert of the commit [b1920c21102a:
'ALSA: hda - Enable runtime PM on Panther Point'].  There was a bug
report showing the HD-audio bus hang during runtime PM on HP Spectre
XT.

Reported-by: Dang Sananikone <dang.sananikone@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/pci/hda/hda_intel.c

index 36d2f20..4ca3d5d 100644 (file)
@@ -1966,7 +1966,7 @@ static const struct pci_device_id azx_ids[] = {
          .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM },
        /* Panther Point */
        { PCI_DEVICE(0x8086, 0x1e20),
-         .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
+         .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM },
        /* Lynx Point */
        { PCI_DEVICE(0x8086, 0x8c20),
          .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },