On Fri, Oct 7, 2011 at 5:51 PM, Thirupathi ch <[email protected]> wrote: > Hi, > > In kernel 2.6.35 in android.c file VID/PID will be provided by > platform data,But linux kernel3.0 andiord.c file default VENDOR_ID = > 0x18D1, PRODUCT_ID=0x001 is hardcoded. In android.c file Line:67 from > the comment “/* Default vendor and product IDs, overridden by > userspace */” In our platform currently we are overriding PRODUCT_ID > and VENDOR_ID in the initrc file as per below. > > write /sys/class/android_usb/android0/functions adb,mass_storage,acm,ecm > > write /sys/class/android_usb/android0/f_acm/instances 1 > > write /sys/class/android_usb/android0/idProduct 0xABXX > > write /sys/class/android_usb/android0/idVendor 0x12XX > > write /sys/class/android_usb/android0/enable 1 > > When the cable is plugged in and boot the board PC Host reports > “Unknown Device”. Could you please suggest how to pass VENDOR_ID and > PRODUCT_ID from userspace so that PC driver recognizes the device > properly and installs the driver. > > Regards, Not sure, but you can try echo xxx > /sys/class/android_usb/android0/idVendor. and why PC recognized your mobile as __Unknown Device__, IMO, it will use the default PID and VID, something maybe wrong with your usb gadget driver.
> Thirupathi > > -- > unsubscribe: [email protected] > website: http://groups.google.com/group/android-kernel -- unsubscribe: [email protected] website: http://groups.google.com/group/android-kernel
