Re: [PATCH] sound/usb generate midi streaming substream names from jack names

From: Takashi Iwai
Date: Wed Feb 24 2021 - 03:00:24 EST


On Sun, 21 Feb 2021 10:43:32 +0100,
George Harker wrote:
>
> A number of devices have named substreams which are hard to remember /
> decypher from <device> MIDI n names. Eg. Korg puts a pass through on
> one substream and iConnectivity devices name the connections.
>
> This makes it easier to connect to the correct device. Devices which
> handle naming through quirks are unaffected by this change.
>
> Addresses TODO comment in sound/usb/midi.c
>
> Signed-off-by: George Harker <george@xxxxxxxxxxxxxxxxxxxxx>

The code changes look almost OK, but could you try the following?

- Split the patch: one for rewriting with the structs in
linux/usb/midi.h, another for adding the MIDI device name support

- Try to avoid magic numbers: a few places should be replaced with
sizeof() or ARRAY_SIZE().


thanks,

Takashi