HI

Running a Logitech, Inc. Webcam C310 on latest Quantal mainline kernel.

I see lots of   " cannot set freq 48000 to ep 0x86" in log
Also microphone on cam stops working  intermittently
Behaviour was identical in Precise.

I found that a workaround for this that works (mostly)  is to keep
camera unpluged during boot or "wake from suspend" and repluging it in
after boot.

owever this is not a surefire fix as I have seen it "triggred" random.

Unplugging and replugging the Cam helps, but tends to crash things like
skype

This seems to be issue that occurs widely . 
There are several references that claim that this is due to something in 
snd-usb-audio going wrong see here for one:
https://bugzilla.redhat.com/show_bug.cgi?id=663583

Here is a claimed workaround:
http://www.techytalk.info/logitech-e3500-webcam-and-cannot-set-freq-16000-to-ep-0x86/

I will try it...


** Bug watch added: Red Hat Bugzilla #663583
   https://bugzilla.redhat.com/show_bug.cgi?id=663583

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https://bugs.launchpad.net/bugs/1018020

Title:
  Logitech webcam not working

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