| From | Luis Henriques <> | Subject | [PATCH 3.16.y-ckt 037/165] ALSA: hda - Disable runtime PM for Panther Point again | Date | Wed, 25 Mar 2015 14:00:10 +0000 |
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3.16.7-ckt9 -stable review patch. If anyone has any objections, please let me know.
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From: Takashi Iwai <tiwai@suse.de>
commit de5d0ad506cb10ab143e2ffb9def7607e3671f83 upstream.
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> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Luis Henriques <luis.henriques@canonical.com> --- sound/pci/hda/hda_intel.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 6383971dcd15..89dfe344ee75 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -1779,7 +1779,7 @@ 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 },
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