Recently we set CONFIG_SND_HDA_POWER_SAVE_DEFAULT to 1 when configuring the kernel, then two machines were reported to have noise after installing the new kernel. Put them in the blacklist, the noise disappears.
https://bugs.launchpad.net/bugs/1821663 Cc: stable@vger.kernel.org Signed-off-by: Hui Wang hui.wang@canonical.com --- sound/pci/hda/hda_intel.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index ece256a3b48f..f62fb8b16c49 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -2150,6 +2150,9 @@ static struct snd_pci_quirk power_save_blacklist[] = { SND_PCI_QUIRK(0x17aa, 0x367b, "Lenovo IdeaCentre B550", 0), /* https://bugzilla.redhat.com/show_bug.cgi?id=1572975 */ SND_PCI_QUIRK(0x17aa, 0x36a7, "Lenovo C50 All in one", 0), + /* https://bugs.launchpad.net/bugs/1821663 */ + SND_PCI_QUIRK(0x1631, 0xe017, "Packard Bell NEC IMEDIA 5204", 0), + SND_PCI_QUIRK(0x8086, 0x2064, "Intel Laptop 8086:2064", 0), {} }; #endif /* CONFIG_PM */