Re: [PATCH 0/7] usb: Add USB MIDI 2.0 Gadget Function Driver

From: Greg Kroah-Hartman
Date: Tue Jul 25 2023 - 12:29:24 EST


On Tue, Jul 25, 2023 at 08:21:59AM +0200, Takashi Iwai wrote:
> Hi,
>
> This is a patch set for adding a USB gadget function driver for USB
> MIDI 2.0 interface. The MIDI 2.0 support in the host side was already
> enabled since 6.5 kernel in snd-usb-audio driver. Now, this provides
> a similar gadget functionality using the existing ALSA UMP helper
> functions.
>
> The gadget driver provides both MIDI 2.0 and MIDI 1.0 fallback
> interfaces with one or more loopback UMP rawmidi devices. The
> configfs implementation is flexible enough to allow users to set up
> multiple UMP Endpoints and Function Blocks.
>
> The first patch adds the bare f_midi2 driver without configfs support,
> followed by the configfs support, MIDI 1.0 interface support and a few
> other extensions and documentation.
>

Very cool, thanks for doing this! All now queued up, let's see what the
builders say...

greg k-h