Ok, thanks for the finding. If default_power_filter does not work, it seems most logical to override default_power_filter entirely, as has been done in this patch. Is this solving click 2) for you?
** Patch added: "0001-ALSA-hda-Remove-speaker-clicks-on-CX20549.patch" https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/886975/+attachment/3527934/+files/0001-ALSA-hda-Remove-speaker-clicks-on-CX20549.patch -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/886975 Title: [Thinkpad R61i/T61] Lenovo sound chip Conexant CX20549 Venice doesn't work correctly. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/886975/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs