TC-Helicon Blender

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I have this USB device called TC-Helicon Blender which provides 12 input streams, 8 output streams (6/4 stereo plugs), in addition to some midi interface and internal playback and record channel.

Bus 005 Device 016: ID 1220:8fe1 TC Electronic Blender

If I power the device on while connected to a windows machine with its driver installed, then plug it into my linux machine, it appears to work correctly:

arecord -D front:CARD=Blender  -r48000 -fS32_LE -c 12 blender.wav -d 20
Recording WAVE 'blender.wav' : Signed 32 bit Little Endian, Rate 48000 Hz, Channels 12

46080044 blender.wav

However if I have it on my linux machine while powering it on, I only get timeouts and no samples from arecord:

arecord -D front:CARD=Blender  -r48000 -fS32_LE -c 12 blender.wav -d 20
Recording WAVE 'blender.wav' : Signed 32 bit Little Endian, Rate 48000 Hz, Channels 12
arecord: pcm_read:2221: read error: Input/output error

44 blender.wav


What can I do to try and get this device to init correctly under linux? I have captured USB packets of the init phase using wireshark on both windows and linux but comparing them is tedious if I don't know what to look for. Are there quirks flags I can play around with? This is my first time looking at a linux device driver issue like this.

Would it be ok to attach the usb captures on this mailing list?


thanks

Florian

--
Florian Hänel
Geschäftsführer

echtzeit.solutions GmbH
Handelsregistergericht München HRB 231056
Ust-ID DE310379807




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