From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Sean M. Pappalardo - D.J. Pegasus" Subject: Re: Help requested: new HSS1394 MIDI back-end Date: Sun, 27 May 2012 22:59:25 +0200 Message-ID: <4FC295AD.1030901@mixxx.org> References: <4FBFE0D5.8030501@mixxx.org> <4FC23123.8000702@ladisch.de> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1163900327866780500==" Return-path: Received: from mail-bk0-f51.google.com (mail-bk0-f51.google.com [209.85.214.51]) by alsa0.perex.cz (Postfix) with ESMTP id 8A3CE24447 for ; Sun, 27 May 2012 22:59:32 +0200 (CEST) Received: by bkcjg15 with SMTP id jg15so1906585bkc.38 for ; Sun, 27 May 2012 13:59:32 -0700 (PDT) In-Reply-To: <4FC23123.8000702@ladisch.de> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: alsa-devel-bounces@alsa-project.org Errors-To: alsa-devel-bounces@alsa-project.org To: Clemens Ladisch Cc: alsa-devel@alsa-project.org, linux1394-devel@lists.sourceforge.net List-Id: alsa-devel@alsa-project.org This is a cryptographically signed message in MIME format. --===============1163900327866780500== Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha1; boundary="------------ms070406050503000007020608" This is a cryptographically signed message in MIME format. --------------ms070406050503000007020608 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: quoted-printable Hello again. On 05/27/2012 03:50 PM, Clemens Ladisch wrote: > See the document "Writing an ALSA Driver", and look at the source code > of other MIDI drivers, such as, for example, sound/usb/midi.c or the > (untested) patch below. Holy crap!! Thank you so much for that patch, Clemens! I just updated my = kernel and tried it with the SCS.1m but unfortunately it reports an error= : firewire_ohci: isochronous cycle inconsistent firewire_core: created device fw1: GUID 0012600000000000, S400 firewire_core: phy config: card 0, new root=3Dffc0, gap_count=3D5 snd_scs1x fw1.0: transaction failed: type error snd_scs1x: probe of fw1.0 failed with error -5 Turning on the SCS.1d then yields: firewire_core: phy config: card 0, new root=3Dffc2, gap_count=3D7 firewire_core: phy config: card 0, new root=3Dffc2, gap_count=3D7 firewire_core: created device fw2: GUID 0012600100000000, S400 I'm guessing the type error is around line 254 in scs1x.c, but where=20 does tcode come from? (I'm totally green with systems and Firewire=20 programming.) I glanced at the MIDI section of that "writing a driver"=20 PDF before I wrote to this list. I guess I'll go actually read it now. :)= FYI, I'm now on kernel 3.2.18-rt23 #2 SMP PREEMPT x86_64. > BTW: What is the output of "lsfirewire -v" for these devices? device fw1: vendor ID: 0x001260 model ID: 0x001000 vendor: Stanton DJ model: SCS.1m guid: 0x0012600000000000 units: 0x00a02d:0x010001 unit fw1.0: model ID: 0x001000 model: SCS.1m specifier ID: 0x00a02d version: 0x010001 device fw2: vendor ID: 0x001260 model ID: 0x002000 vendor: Stanton DJ model: SCS.1d guid: 0x0012600100000000 units: 0x00a02d:0x010001 unit fw2.0: model ID: 0x002000 model: SCS.1d specifier ID: 0x00a02d version: 0x010001 bus 0, node 0: 080028:424296 Texas Instruments TSB41AB1/2 bus 0, node 1: 080028:424296 Texas Instruments TSB41AB1/2 I tried poking around with firewire-request read but didn't find=20 anything interesting. (Then again, I don't really know what I'm looking=20 at or for.) Sincerely, Sean M. Pappalardo "D.J. Pegasus" Mixxx Developer - Controller Specialist --------------ms070406050503000007020608 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIINtjCC BjQwggQcoAMCAQICASAwDQYJKoZIhvcNAQEFBQAwfTELMAkGA1UEBhMCSUwxFjAUBgNVBAoT DVN0YXJ0Q29tIEx0ZC4xKzApBgNVBAsTIlNlY3VyZSBEaWdpdGFsIENlcnRpZmljYXRlIFNp Z25pbmcxKTAnBgNVBAMTIFN0YXJ0Q29tIENlcnRpZmljYXRpb24gQXV0aG9yaXR5MB4XDTA3 MTAyNDIxMDI1NVoXDTE3MTAyNDIxMDI1NVowgYwxCzAJBgNVBAYTAklMMRYwFAYDVQQKEw1T dGFydENvbSBMdGQuMSswKQYDVQQLEyJTZWN1cmUgRGlnaXRhbCBDZXJ0aWZpY2F0ZSBTaWdu aW5nMTgwNgYDVQQDEy9TdGFydENvbSBDbGFzcyAyIFByaW1hcnkgSW50ZXJtZWRpYXRlIENs aWVudCBDQTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAMsohUWcASz7GfKrpTOM KqANy9BV7V0igWdGxA8IU77L3aTxErQ+fcxtDYZ36Z6GH0YFn7fq5RADteP0AYzrCA+EQTfi 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