[LAD] Support for Steinberg UR22 (Yamaha USB chipset 0499:1509)?

covux covux at online.de
Fri Apr 4 19:56:09 UTC 2014


first thanks for the quirks-table.h patch.
I got it working with some restrictions under 3.13/3.14 vanilla kernel.

The card works fine, after disabling USB 3.0 (Lenovo T440s).
I can set samplerates up to 192khz with 512 Frames
using jack.

With USB 3.0 i can only set samplerates up to 48khz 
and get multiple errormessages like:

[   18.950994] 6:2:1: cannot get freq at ep 0x86
[  142.670841] retire_capture_urb: 911 callbacks suppressed

After a while the card stops working and jack crashes.

I would really like to help, making full linux support for this device
I can provide more info if needed.


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