Hi,
looking into usbquirks.h I saw that audio endpoints follow the rule:
0x0... for output
0x8... for input
I think that's absolutely ok!
And now: If I jump into the usb-midi world and try a similar quirk:
.out_ep = 0x06,
.in_ep = 0x86,
it will end with an "usb_submit_urb: -22" :-(
OTOH the use of
.out_ep = 0x06,
.in_ep = 0x06,
will be accepted! :-)
And I believe the USB MIDI device definition use 0x8.. values for inputs.
Is that ALSA design (0x0.. numbers for input endpoints) really wanted?
Ok, it's also possible that my Tascam US-122 is far away from any standard
out there...
martin
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