Comment 0 for bug 1709282

Revision history for this message
mihai (dubsauce) wrote :

Very similar to this:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1622763

== the Problem ==
Listening to sound on a vmware machine, hosted by Ubuntu, the devices freezes, and cannot listen to sound anymore, i have to connect/disconnect the device.
After i disconnect i get the logs:
Aug 8 13:52:05 tim-lap-143 kernel: [112278.344893] usb 1-1: 1:1: cannot get freq at ep 0x81
Aug 8 13:52:05 tim-lap-143 kernel: [112278.347094] usb 1-1: 2:1: cannot get freq at ep 0x1
Aug 8 13:52:05 tim-lap-143 kernel: [112278.358786] usb 1-1: Warning! Unlikely big volume range (=8192), cval->res is probably wrong.
Aug 8 13:52:05 tim-lap-143 kernel: [112278.358787] usb 1-1: [11] FU [Sidetone Playback Volume] ch = 1, val = 0/8192/1
Aug 8 13:52:05 tim-lap-143 kernel: [112278.641980] input: Plantronics Plantronics C520-M as /devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1:1.3/0003:047F:C036.000F/input/input32
Aug 8 13:52:05 tim-lap-143 kernel: [112278.702298] plantronics 0003:047F:C036.000F: input,hiddev0,hidraw2: USB HID v1.11 Device [Plantronics Plantronics C520-M] on usb-0000:00:14.0-1/input3
Aug 8 13:52:05 tim-lap-143 kernel: [112278.747708] usb 1-1: 2:1: cannot get freq at ep 0x1
Aug 8 13:52:16 tim-lap-143 kernel: [112289.406154] usb 1-1: reset full-speed USB device number 19 using xhci_hcd
Aug 8 13:52:16 tim-lap-143 kernel: [112289.906146] usb 1-1: reset full-speed USB device number 19 using xhci_hcd

= The solution ==

It is simple, add this USB ID to the sound/usb/quirks.c:snd_usb_get_sample_rate_quirk function.

version signature: Ubuntu 4.10.0-28.32-generic 4.10.17

Thanks!