Re: needs XHCI_TRUST_TX_LENGTH quirk?

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Mon, 2 Jul 2012, Sarah Sharp wrote:

> Hmm, so this is for an Etron host controller.  We found this issue on
> the Fresco Logic host controller, and I'm not sure if the behavior is
> the same, since they're from different vendors.
> 
> What devices trigger the warning?  Do you notice anything odd with those
> devices?
> 
> Do you have a USB headset with a speaker to test with?  If you notice
> robotic-sounding audio when you record from the headset, then we need to
> trust the untransferred length, not the completion status.

Maybe I asked this before, I can't remember...

Is there any good reason not to trust the untransferred length always?  
Isn't that just as valid as using the completion status (and evidently 
more reliable in several cases)?

Alan Stern

--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux Media]     [Linux Input]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Old Linux USB Devel Archive]

  Powered by Linux