On Wed, Mar 04, 2015 at 12:14:01PM -0500, Rick Farina wrote: > Recently the Huawei e3276 devices my company was buying came with a new > firmware version and the word "hilink" printed all over them. Instead > of showing up as a usbserial device using the option driver, they show > up now as an ethernet device. While I can see the convenience factor in > this, it doesn't serve our purpose, so some quick googling showed me I > can enable the serial again with usb_modeswitch and this line: > > 55534243123456780000000000000011062000000000000200000000000000 > > When I do this, the usbid changes to 12d1:1566 and using the option > driver works properly with the device. The problem I have, is that we > are currently using kernel 3.18 and it doesn't have that usbid for my > device. Things work properly when I run this: > > echo "12d1 1566" > /sys/bus/usb-serial/drivers/option1/new_id > > My problem is, I was hoping to find a better way to handle this than > having to run a script to do this at boot. I tried adding the vendor > and product to usbserial using /etc/modprobe.d, however, this causes it > to use the usbserial generic module instead of the option module and > doesn't work. No, use the option driver. > Can anyone assist me in finding a proper solution instead of echoing to > new_id on boot? Make a patch to the driver, as you mention below :) > Additionally, it would be nice to officially add this id to the option > driver, it looks like it's not present at this time: > > https://git.kernel.org/cgit/linux/kernel/git/gregkh/usb.git/tree/drivers/usb/serial/option.c > > I can submit a patch to add it if desired, but right now it would be > super helpful if I can make this work without a kernel patch. A patch would be great, that way you get the fix for all future releases, and we can backport it to all stable kernel releases. thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
