The user reports a regression (choppy audio), and that position_fix=1 (or position_fix=4) fixes the issue.
This is a Poulsbo controller (8086:811b (rev 07)), so might be worth checking if other Poulsbo machines suffer from the same bug. Cc: [email protected] [v3.7+] BugLink: https://bugs.launchpad.net/bugs/1132562 Signed-off-by: David Henningsson <[email protected]> --- sound/pci/hda/hda_intel.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 4cea6bb6..3505f1e 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -3114,6 +3114,7 @@ static bool check_hdmi_disabled(struct pci_dev *pci) * white/black-listing for position_fix */ static struct snd_pci_quirk position_fix_list[] = { + SND_PCI_QUIRK(0x1025, 0x0244, "Acer AO751h", POS_FIX_LPIB), SND_PCI_QUIRK(0x1028, 0x01cc, "Dell D820", POS_FIX_LPIB), SND_PCI_QUIRK(0x1028, 0x01de, "Dell Precision 390", POS_FIX_LPIB), SND_PCI_QUIRK(0x103c, 0x306d, "HP dv3", POS_FIX_LPIB), -- 1.7.9.5 ** Package changed: pulseaudio (Ubuntu) => linux (Ubuntu) ** Changed in: linux (Ubuntu) Assignee: (unassigned) => David Henningsson (diwic) ** Changed in: linux (Ubuntu) Status: Confirmed => In Progress -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1132562 Title: [Acer AO751h] choppy sounds, lots of rewinds To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1132562/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
