[alsa-devel] Regression in sound/usb/
zonque at gmail.com
Thu Jul 12 01:41:45 CEST 2012
On 12.07.2012 01:10, Daniel Mack wrote:
> On 11.07.2012 09:30, Philipp Dreimann wrote:
>> The camera is now working for a short time:
>> [ 56.421399] usb 2-1.2: new high-speed USB device number 4 using ehci_hcd
>> [ 57.224234] uvcvideo: Found UVC 1.00 device <unnamed> (046d:0821)
>> [ 57.237221] input: UVC Camera (046d:0821) as
>> Camera and microphone are working. Some time later we're back to the old issue:
> So I found the reason for this breakage now. It's about orphaned packets
> that are sent over the wire after alt setting 0 has been selected. The
> chipset doesn't like these at and bails out with protocol errors. Fixing
> this involves some rework of the logic. The patch is unfortunately a
> little big, but I see no option than getting it merged for 3.6.
I meant 3.5, of course.
> Everyone, please test - and sorry for the trouble caused.
To avoid confusion: this patch replaces the other one I sent.
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