On Thu, 24 Jun 2004, [ks_c_5601-1987] ��ȣ�� wrote:

> /proc/bus/usb/001/002 test 14 --> 22 (error 22)
> ---------------------------------------------------
> You can see that the last test is error.
> 
> Anyone who knows what test 14 performs tell me it in detail.

Write & read-back test using Control-EP0. The device must implement 
Vendor-requests 0x5b/0x5c for this to work - Intel's compliance test 
device supports it IIRC. And it needs to be enabled in the usbtest_info 
struct for yout particular device.

For details about what it's doing, have a look into the usbtest.c driver 
source.

Martin



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