From owner-freebsd-multimedia@FreeBSD.ORG  Fri Sep 22 08:19:50 2006
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From: "Clemens Ladisch" <cladisch@fastmail.net>
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References: <200608271719.23435.hselasky@c2i.net>
	<20060921084709.cdfc30cc.torfinn.ingolfsen@broadpark.no>
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In-Reply-To: <20060921235423.13ed82e2.torfinn.ingolfsen@broadpark.no>
Date: Fri, 22 Sep 2006 10:19:48 +0200
Subject: Re: New USB MIDI driver for FreeBSD
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Torfinn Ingolfsen wrote
> With the snd_uaudio module loaded, the midi keyboard is recognized when
> I plug it in:
> Sep 21 23:39:41 kg-quiet kernel: uaudio0: <Evolution Electronics Ltd. USB MIDI keyboard, class 0/0, rev 1.00/2.52, addr 126>
> 
> but the midi sound module is not recognized:
> Sep 21 23:52:13 kg-quiet kernel: ugen0: <Roland EDIROL SD-20, class 255/0, rev 1.10/1.00, addr 126>

"class 255" identifies a vendor-specific device.  However, Roland
devices use the standard USB MIDI protocol (after all, Roland wrote the
USB MIDI standard), they just lack the class-specific descriptors.

This device has two output ports and three input ports, using the
endpoints in altsetting 0 of interface 0.


Regards,
Clemens