On Tuesday 05 March 2013 02:28:07 Fangxiaozhi wrote:
Hi,
> 1. As far as I know, usb_modeswitch is now only integrated in the PC
> Linux. It isn't integrated to other system with linux kernel, such as
> Android, Chrome OS, etc. On these system, how can we switch the device?
Then those systems will have to add modeswitch.
If we are to do mode switching in kernel space, there has to be
an additional technical benefit over the existing and well working solution
in user space.
> 2. usb_modeswitch often sends the Windows switching command to switch
> Huawei device, but not sends Linux switching command. This maybe causes some
> unexpected problem.
You have two commands? What is the difference? Anyway, if usb_modeswitch
has issues, these problems need to be fixed.
Independent from that, there is a problem with user space mode switching.
Namely it doesn't work with reset_resume(). Thus we cannot do sane S4
with the user space solution.
However, the problem cannot be solved by merely by adding the switch
to the storage driver.
Regards
Oliver
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