On Mon, Sep 27, 2021 at 09:12:53AM -0700, Jack Pham wrote:
> commit f0e8a206a2a53a919e1709c654cb65d519f7befb upstream.
>
> For Isochronous endpoints, the SS companion descriptor's
> wBytesPerInterval field is required to reserve bus time in order
> to transmit the required payload during the service interval.
> If left at 0, the UAC2 function is unable to transact data on its
> playback or capture endpoints in SuperSpeed mode.
>
> Since f_uac2 currently does not support any bursting this value can
> be exactly equal to the calculated wMaxPacketSize.
>
> Tested with Windows 10 as a host.
>
> Fixes: f8cb3d556be3 ("usb: f_uac2: adds support for SS and SSP")
> Cc: stable <stable@xxxxxxxxxxxxxxx>
> Signed-off-by: Jack Pham <jackp@xxxxxxxxxxxxxx>
> Link: https://lore.kernel.org/r/20210909174811.12534-3-jackp@xxxxxxxxxxxxxx
> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> [jackp: Backport to 5.14 with minor conflict resolution]
Both now queued up, thanks.
greg k-h
