Hellooo! Any one there! Help Me!
On Tue, Jul 9, 2013 at 3:53 PM, satya gowtham kudupudi < [email protected]> wrote: > hi, this is what i've done... > > 1. i found 3 endpoints on interface 0. > 2. # echo 1-1.2:1.0 > /sys/bus/usbl/drivers/option/unbind > 3. # modprobe qmi_wwan > 4. echo "19d2 fff1" > /sys/bus/usb/drivers/qmi_wwan/new_id > 5. installed libqmi-utils > > i didnt find /dev/cdc-wdmX device ! > > what should i do now? > Thanks! > > > On Wed, Jul 3, 2013 at 7:39 PM, Bjørn Mork <[email protected]> wrote: > >> satya gowtham kudupudi <[email protected]> writes: >> >> > >> /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0/ttyUSB0/tty/ttyUSB0/dev >> > >> /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.1/ttyUSB1/tty/ttyUSB1/dev >> > >> /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.2/ttyUSB2/tty/ttyUSB2/dev >> > >> /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.3/ttyUSB3/tty/ttyUSB3/dev >> > >> /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.4/ttyUSB4/tty/ttyUSB4/dev >> > >> /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.5/host5/target5:0:0/5:0:0:0/bsg/5:0:0:0/dev >> > >> /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.5/host5/target5:0:0/5:0:0:0/block/sdb/dev >> > >> /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.5/host5/target5:0:0/5:0:0:0/scsi_generic/sg1/dev >> > >> > this is sys tree i get when i plug in my modem. With this can u say >> whether >> > my modem is QMI capable? >> >> No, I cannot. But I can say that it doesn't match the Gobi1k or Gobi2k >> layouts. >> >> > How to add VID/PID pair to the kernel driver and recompile it? >> >> You don't need to do that just to test. A QMI function needs 3 >> endpoints, so first try to find out if any of the unknown USB interfaces >> have 3. "lsusb -vd 19d1:fff1" will tell you this. >> >> For example: >> >> Interface Descriptor: >> bLength 9 >> bDescriptorType 4 >> bInterfaceNumber 3 >> bAlternateSetting 0 >> bNumEndpoints 3 >> bInterfaceClass 255 Vendor Specific Class >> bInterfaceSubClass 255 Vendor Specific Subclass >> bInterfaceProtocol 255 Vendor Specific Protocol >> iInterface 0 >> >> means that interface #3 has 3 endpoints and is a suspect. Then unbind >> this interface from the option driver and dynamically add the device ID >> to qmi_wwan: >> >> echo 2-1.2:1.3 >/sys/bus/usb-serial/drivers/option1/unbind >> modprobe qmi_wwan >> echo 19d1 fff1 >/sys/bus/usb/drivers/qmi_wwan/new_id >> >> >> This should make qmi_wwan bind to interface #3 instead of option. You >> can now use libqmi tools to probe the /dev/cdc-wdmX device. Or let MM >> probe it if you built MM with QMI support. >> >> Repeat for every unknown (i.e not successfully probed by MM) interface >> with 3 endpoints. >> >> >> Bjørn >> > > > > -- > *- Gowtham* > -- *Gowtham*
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