High-bandwidth/multiple transactions per microframe in usb audio?

[Pavel Hofman]

Dne 25. 04. 20 v 14:06 Alexander Tsoy napsal(a):
> В Пт, 24/04/2020 в 11:42 +0200, Pavel Hofman пишет:
>> Hi,
>>
>> Please does the current USB audio driver support multiple
>> transactions
>> per microframe (high-bandwidth mode)? I could not find it in
>> endpoint.c
>> but it may be there or somewhere else :-)
> 
> This should be transparent for the driver. See usb_submit_urb()
> function from drivers/usb/core/urb.c. It allows packets larger than
> 1024 for isochronous transfers over High Speed and Super Speed buses.

Alexander, thanks a lot for the info and hint, indeed at
https://github.com/torvalds/linux/blob/master/drivers/usb/core/urb.c#L444

Best regards,

Pavel.