linux-kernel - Re: [alsa-devel] [PATCH 2.6.34-rc5] HID: Prodikeys PC-MIDI HID Driver

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Date:	Fri, 07 May 2010 08:45:03 +0200
From:	Clemens Ladisch <clemens@...isch.de>
To:	Don Prince <dhprince.devel@...oo.co.uk>
CC:	alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
	linux-input@...r.kernel.org
Subject: Re: [alsa-devel] [PATCH 2.6.34-rc5] HID: Prodikeys PC-MIDI HID Driver

Don Prince wrote:
> On 06/05/10 07:30, Clemens Ladisch wrote:
>> I'd guess you want to remove the OUTPUT and DUPLEX flags and to drop all
>> output-related functions.
>
> I know, it was naff, but without it the I get this from "amidi"
> 
> $ amidi -l
> Dir Device    Name
> cannot get rawmidi information 2:0: No such file or directory
> 
> Is it supposed to print this?

Try the latest alsa-utils version.

> 90 32 00
> 80 32 7F

In MIDI, note-on commands with velocity zero must be interpreted as
note-off.  If the device reports such a velocity for a key press, you
have to make it nonzero.


Regards,
Clemens
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