My Plantronics Blackwire C420-M seems to have the same problem: usb 1-4.2: 2:1: cannot get freq at ep 0x84 usb 1-4.2: 2:1: cannot get freq at ep 0x84 usb 1-4.2: 1:1: cannot get freq at ep 0x4 usb 1-4.2: 1:1: cannot get freq at ep 0x4 usb 1-4.2: 2:1: cannot get freq at ep 0x84 usb 1-4.2: 2:1: cannot get freq at ep 0x84 usb 1-4.2: 1:1: cannot get freq at ep 0x4 usb 1-4.2: 1:1: cannot get freq at ep 0x4 usb 1-4.2: 2:1: cannot get freq at ep 0x84 usb 1-4.2: 2:1: cannot get freq at ep 0x84 usb 1-4.2: 1:1: cannot get freq at ep 0x4 usb 1-4.2: 1:1: cannot get freq at ep 0x4 usb 1-4.2: 2:1: cannot get freq at ep 0x84 usb 1-4.2: 2:1: cannot get freq at ep 0x84
user@linux:~$ uname -a Linux linux 4.4.0-59-generic #80-Ubuntu SMP Fri Jan 6 17:47:47 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux user@linux:~$ lsusb | grep Plantronics Bus 001 Device 005: ID 047f:aa15 Plantronics, Inc. Can you please add the USB ID to sound/usb/quirks.c too? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1622763 Title: Sennheiser Officerunner - cannot get freq at ep 0x83 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1622763/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs