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Commit d7dab4db authored by Takashi Iwai's avatar Takashi Iwai
Browse files

ALSA: hda - Disable runtime D3 for Intel CPT & co 



We've got a few bug reports that the runtime D3 results in the dead
HD-audio controller.  It seems that the problem is in a deeper level
than the sound driver itself, so as a temporal solution, disable the
feature for these controllers again.

Reported-and-tested-by: default avatarVincent Blut <vincent.debian@free.fr>
Reported-and-tested-by: default avatarMaurizio Avogadro <mavoga@gmail.com>
Cc: <stable@vger.kernel.org> [v3.7]
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 6d3cd5d4

sound/pci/hda/hda_intel.c

+8 −5
Original line number Diff line number Diff line
@@ -573,9 +573,12 @@ enum { 
#define AZX_DCAPS_PM_RUNTIME	(1 << 26)	/* runtime PM support */



/* quirks for Intel PCH */

#define AZX_DCAPS_INTEL_PCH \

#define AZX_DCAPS_INTEL_PCH_NOPM \

	(AZX_DCAPS_SCH_SNOOP | AZX_DCAPS_BUFSIZE | \

	 AZX_DCAPS_COUNT_LPIB_DELAY | AZX_DCAPS_PM_RUNTIME)

	 AZX_DCAPS_COUNT_LPIB_DELAY)



#define AZX_DCAPS_INTEL_PCH \

	(AZX_DCAPS_INTEL_PCH_NOPM | AZX_DCAPS_PM_RUNTIME)



/* quirks for ATI SB / AMD Hudson */

#define AZX_DCAPS_PRESET_ATI_SB \
@@ -3586,13 +3589,13 @@ static void azx_remove(struct pci_dev *pci) 
static DEFINE_PCI_DEVICE_TABLE(azx_ids) = {

	/* CPT */

	{ PCI_DEVICE(0x8086, 0x1c20),

	  .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },

	  .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM },

	/* PBG */

	{ PCI_DEVICE(0x8086, 0x1d20),

	  .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },

	  .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 },