From mboxrd@z Thu Jan 1 00:00:00 1970 From: Brent Cook Subject: Re: Support for EDIROL UM-3ex Date: Sat, 31 Dec 2005 22:06:18 -0600 Message-ID: <200512312206.18365.busterbcook@yahoo.com> References: <200512312154.35173.busterbcook@yahoo.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <200512312154.35173.busterbcook@yahoo.com> Content-Disposition: inline Sender: alsa-devel-admin@lists.sourceforge.net Errors-To: alsa-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: alsa-devel@lists.sourceforge.net List-Id: alsa-devel@alsa-project.org On Saturday 31 December 2005 21:54, Brent Cook wrote: > Dear all, > > This is my naive attempt at adding ALSA device support. The attached patch > provides support for the EDIROL UM-3ex. This is a 3-port USB midi interface > with a built-in USB hub and the ability to chain 2 other UM-3x's in a > master-slave configuration. I only have one, so I do not know how this > works in practice. > > Though this is a 3-port device, I had to throw in that 4th 'Control' > interface to the definition in order to make the 3rd port work. If I set > in/out_cables to 0x000b, a 3rd interface appears on the driver, but it does > nothing. Changing it to 0x000f allows the 3rd interface to work, but of > course interface 4 does not work because it does not exist. > > - Brent Oh, and here is the relevant USB info for the device; maybe it explains the 3rd port quirk. T: Bus=04 Lev=02 Prnt=02 Port=00 Cnt=01 Dev#= 3 Spd=12 MxCh= 0 D: Ver= 1.10 Cls=ff(vend.) Sub=00 Prot=ff MxPS=64 #Cfgs= 1 P: Vendor=0582 ProdID=009a Rev= 1.00 S: Manufacturer=EDIROL S: Product=UM-3 C:* #Ifs= 1 Cfg#= 1 Atr=80 MxPwr= 90mA I: If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=03 Prot=00 Driver=snd-usb-audio E: Ad=01(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms E: Ad=82(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms I: If#= 0 Alt= 1 #EPs= 2 Cls=ff(vend.) Sub=03 Prot=00 Driver=snd-usb-audio E: Ad=01(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms E: Ad=82(I) Atr=03(Int.) MxPS= 64 Ivl=1ms ------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Do you grep through log files for problems? Stop! Download the new AJAX search engine that makes searching your log files as easy as surfing the web. DOWNLOAD SPLUNK! http://ads.osdn.com/?ad_id=7637&alloc_id=16865&op=click