[PATCH] ALSA: usb-audio: add mixer quirks for Pioneer DJM-900NXS2

[Takashi Iwai]

On Mon, 01 Feb 2021 22:22:47 +0100,
Fabian Lesniak wrote:
> 
> This commit adds mixer quirks for the Pioneer DJM-900NXS2 mixer. This
> device has 6 capture channels, 5 of them allow setting the signal
> source. This adds controls for these, similar to the DJM-250Mk2.
> However, playpack channels are not controllable via software like on the
> 250Mk2, as they can only be set manually on the mixing console.
> Read-only controls showing the currently selected playback channels are
> omitted.
> 
> This patch is built on top of the DJM750 mixer quirk support and
> requires it to be applied first.
> 
> Signed-off-by: Fabian Lesniak <fabian at lesniak-it.de>

Which tree / branch is this patch based on?  It doesn't seem applying
cleanly either on for-linus or for-next branch.


thanks,

Takashi