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authorTakashi Iwai <tiwai@suse.de>2013-01-08 13:51:30 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-01-17 08:46:26 -0800
commit13fffc8624388123c85753997c1781aeb22258ac (patch)
tree65dddc02a1e1159d40f03d54fe6730a7f160e54b /sound/pci
parent844913456f9bcd427cf9d710f290e702942da07f (diff)
ALSA: hda - Disable runtime D3 for Intel CPT & co
commit d7dab4dbbb2d1b0c903378d6bade2e4ae161804e upstream. 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: Vincent Blut <vincent.debian@free.fr> Reported-and-tested-by: Maurizio Avogadro <mavoga@gmail.com> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'sound/pci')
-rw-r--r--sound/pci/hda/hda_intel.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index a9652d60d81..f419f0a9c8f 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -559,9 +559,12 @@ 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 \
@@ -3448,13 +3451,13 @@ static void __devexit 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 },