MC7304 connection?

[Aleksander Morgado]

On Wed, May 21, 2014 at 10:27 AM, Bjørn Mork <bjorn at mork.no> wrote:
> Aleksander Morgado <aleksander at aleksander.es> writes:
>
>> So, what to do with these two interfaces now? Should we just ignore
>> them in the kernel driver? Is there anything else I could try with? I
>> may try to implement "WDA Set Data Format" and play with it...
>
>
> The 3rd port is probably dead until we get any further clues.  But I
> think we should try harder to make the 2nd port work before giving up.
> Using the WDA "set format" command is certainly worth an attempt.  I
> don't know the exact relationship to the CTL "set format", but do note
> that the WDA command allows assymetric settings.  Which will screw up
> stuff for the qmi_wwan driver.
>

WDA docs say that if one client uses CTL Set Data Format and another
one uses WDA Set Data Format, an "Invalid Operation" error will be
returned for the second one. I'll try to play with WDA Set Data Format
anyway.

> And did you try using e.g. '--device-set-instance-id=1' prior to the
> --device-open-net etc command?
>

Tried now, and didn't help.

> usbmon snooping might also tell us something if the problem really is
> related to framing mismatch.
>

Will try to see if usbmon helps.


-- 
Aleksander
https://aleksander.es