[alsa-devel] [PATCH] ALSA: usb-audio: fix automatic Roland/Yamaha MIDI detection

[Keith A. Milner]

On Monday 12 Aug 2013 23:38:22 Keith A. Milner wrote:
> On Sunday 11 Aug 2013 14:13:13 Clemens Ladisch wrote:
> > Commit aafe77cc45a5 (ALSA: usb-audio: add support for many Roland/Yamaha
> > devices) had several logic errors that prevented create_auto_midi_quirk
> > from enumerating any MIDI ports.
> > 
> > Reported-by: Keith A. Milner <maillist at superlative.org>
> > Signed-off-by: Clemens Ladisch <clemens at ladisch.de>
> > ---
> 
> I tested this with the BR-80. Logfile at the end.
> 

<SNIP>

> I do wonder whether a quirk is still needed for this device. It seems to be
> reporting as a 32-bit interface when it's actually only 16-bit, and I
> suspect this might be upsetting things.

With this in mind, I with a kernel where I had inserted the original BR-80 
quirk back into quirks-table.h.

This still didn't work, so there seems to be some other problem, unrelated to 
this patch.

Cheers,

Keith