On Mon, 19 Mar 2018 08:40:19 +0100,
Greg Kroah-Hartman wrote:
>
> On Mon, Mar 19, 2018 at 07:11:08AM +0100, Kirill Marinushkin wrote:
> > Currently, the offsets in the UAC2 processing unit descriptor are
> > calculated incorrectly. It causes an issue when connecting the device which
> > provides such a feature:
> >
> > ~~~~
> > [84126.724420] usb 1-1.3.1: invalid Processing Unit descriptor (id 18)
> > ~~~~
> >
> > After this patch is applied, the UAC2 processing unit inits w/o this error.
> >
> > Fixes: 5e1ddb481776 ("UAPI: (Scripted) Disintegrate include/linux/usb")
> > Signed-off-by: Kirill Marinushkin <k.marinushkin@xxxxxxxxx>
> > Cc: Mark Brown <broonie@xxxxxxxxxx>
> > Cc: Jaroslav Kysela <perex@xxxxxxxx>
> > Cc: Takashi Iwai <tiwai@xxxxxxxx>
> > Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> > Cc: Felipe Balbi <felipe.balbi@xxxxxxxxxxxxxxx>
> > Cc: Philippe Ombredanne <pombredanne@xxxxxxxx>
> > Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> > Cc: Ruslan Bilovol <ruslan.bilovol@xxxxxxxxx>
> > Cc: linux-kernel@xxxxxxxxxxxxxxx
> > Cc: alsa-devel@xxxxxxxxxxxxxxxx
> > ---
> > include/uapi/linux/usb/audio.h | 4 ++--
> > 1 file changed, 2 insertions(+), 2 deletions(-)
>
> Cc: stable <stable@xxxxxxxxxxxxxxx>
> perhaps?
Yes, it deserves. But I'd need to double-check the UAC2
specification. It's interesting that such a basic thing hasn't hit
until now. Maybe just because it's a fairly minor feature.
thanks,
Takashi
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