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

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Message-ID: <2023072550-refocus-depth-1086@gregkh>
Date:   Tue, 25 Jul 2023 18:29:08 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Takashi Iwai <tiwai@...e.de>
Cc:     alsa-devel@...a-project.org, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/7] usb: Add USB MIDI 2.0 Gadget Function Driver

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