[sane-devel] alternative setting on darwin (libusb)

[Beat Birkhofer]

>Please show the exact error messages.

...
[plustek] usbDev_open(libusb:001:002,)
[sanei_usb] sanei_usb_open: trying to open device `libusb:001:002'
usb_os_open: 04a9:220e
usb_os_open: device opened
[sanei_usb] sanei_usb_open: chosing first altsetting (0) without checking
USB error: could not set alternate interface
[sanei_usb] sanei_usb_open: libusb complained: could not set 
alternate interface
USB error: error closing interface
usb_os_close: 04a9:220e
[plustek] open failed: -1
scanimage: open of device plustek:libusb:001:002 failed: Error during 
device I/O
[plustek] sane_exit


Regards

Beat H.