[PlanetCCRMA] Problems with TASCAM US-122

[karsten wiese]

--- Martin Visser <martinvisser99@gmail.com> wrote:
> In general I am pretty well rapt with the PlanetCCRMA
> distro. I am
> using FC3 as the base. I have a HP Evo N610c notebook and
> a Tascam
> US-122 USB audio box.
> I can get Jack, Ardour, Kack-Rack etc all working using
> PCM audio. (I
> am getting a frustrating "zombified" jackd after
> inderminate period of
> time though).
> 
> One thing that is puzzling me though is Midi in and out.
> I had this
> working before on a Suse 9.2 box.
> 
> Every seems to look OK except I get this "dmesg" kernel
> error as soon
> as   I send MIDI from my keyboard.
> ALSA
>
/usr/src/rpm/BUILD/alsa-driver-1.0.9rc1/usb/usbmidi.c:191:
> unexpected port 15!
> ALSA
>
/usr/src/rpm/BUILD/alsa-driver-1.0.9rc1/usb/usbmidi.c:191:
> unexpected port 14!
> 
> I basically don't seem to get any MIDI in or out. (I
> tried to use
> aseqdump to no avail with the tascam port. It does work
> with vkeybd on
> the 128:0 device)

A fix for this just landed in alsa cvs.
it looks like this:
-------------------------------------------------------
Modified Files:
        usbmidi.c 
Log Message:
Summary: usb-audio - allow USB MIDI quirks to specify
endpoints 
explicitly

This patch reintroduces the check for endpoint numbers that
are
specified explicitly in the quirk structure.
This check was accidentally dropped in the last rewrite of
snd_usbmidi_detect_endpoints().

Index: usbmidi.c
===================================================================
RCS file: /cvsroot/alsa/alsa-kernel/usb/usbmidi.c,v
retrieving revision 1.45
retrieving revision 1.46
diff -u -r1.45 -r1.46
--- usbmidi.c   24 Mar 2005 07:17:17 -0000      1.45
+++ usbmidi.c   30 Mar 2005 15:22:01 -0000      1.46
@@ -1229,6 +1229,9 @@
        if
(le16_to_cpu(umidi->chip->dev->descriptor.idVendor) ==
0x0582)
               
snd_usbmidi_switch_roland_altsetting(umidi);
 
+       if (endpoint[0].out_ep || endpoint[0].in_ep)
+               return 0;       
+
        intf = umidi->iface;
        if (!intf || intf->num_altsetting < 1)
                return -ENOENT;
----------------------------------------------------
best,
Karsten


	

	
		
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