I can confirm that after applying that change to the current 12.04 kernel (3.2.0-58.88) the microphone on the webcam works as expected, and the "set volume quirk for QuickCam E3500" message appears in dmesg from the kernel.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1265103 Title: 046d:09a4 USB mixer quirks not applied correctly for Logitech E3500 webcam microphone To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1265103/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs