Huawei me906s-158

[Andreas Fett]

Hi Bjørn,

sorry for the delay, but I wanted to give a quick update.

On 11/03/16 14:29, Bjørn Mork wrote:
> Thanks.  Looks good to me, but I don't understand much of this.  Like:
> The device support SS and is internally connected to an xhci controller
> via an m.2 slot, but still runs in HS mode?  Didn't they connect the SS
> lanes or what?
I have absolutely no clue :-(

> I am way over my head here...  I think I'll go prepare the "NDP to end"
> quirk for cdc_mbim.  That I know how to do.
That sounds good to me.

We have discovered that the Modem works reliably if we switch it (via
some shell helper from udev) 1st to USB Configuration 0 and then to 3.

I don't know what this does, but suspect some kind of firmware reset.
I'll try to provide new USB captures for this scenario within the next
days if those would could aid debugging.

Andreas

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