Review Request 127386: kio-extras mtp protocol: Add support for Windows Phones
Dominik Haumann
dhaumann at kde.org
Thu Mar 17 17:35:51 UTC 2016
> On March 17, 2016, 5:26 p.m., Dominik Haumann wrote:
> > The only real difference to the original version is that the line
> >
> > int isMtpDevice = LIBMTP_Check_Specific_Device(solidBusNum, solidDevNum);
> >
> > is removed. This somehow implies that this check is too restrictive. If this indeed is the case, then this might very well be a bug in libmtp.
> >
> > I haved tried to find something in the net, especially since other mtp-clients (from other DEs) are said to work, but couldn't really find something useful for now...
Found something dating back to 2011: https://sourceforge.net/p/libmtp/mailman/libmtp-discuss/?viewmonth=201101&viewday=21&style=flat
Here it says:
One more thing. the mtp-probe did not work on older ubuntu's than 10.10.
Further investigating showed that it fails at
LIBMTP_Check_Specific_Device () only because libusb does not populate
the correct dev->devnum (i.e. usb device number.
However if I manually run mtp-probe, later after a few seconds of device
plugged in, it works properly.
Looks like libusb takes a while to get the correct device number. Is
this a known libusb issue or something else?
Might it be that we are hit by this issue? According to the link, newer versions of libusb should probably not have this issue.
Anyone familiar with this?
- Dominik
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https://git.reviewboard.kde.org/r/127386/#review93660
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On March 16, 2016, 4:41 p.m., Dominik Haumann wrote:
>
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/127386/
> -----------------------------------------------------------
>
> (Updated March 16, 2016, 4:41 p.m.)
>
>
> Review request for KDE Frameworks, David Faure and Philipp Schmidt.
>
>
> Bugs: 325335
> https://bugs.kde.org/show_bug.cgi?id=325335
>
>
> Repository: kio-extras
>
>
> Description
> -------
>
> Right now, Windows Phones (Nokia HW) is not properly recognized by kio-mtp.
>
> It seems the device is listed but dropped for some reason. This issues exists for quite a long time (also in KDE 4.x), and some people provided this patch (from bug #325335).
>
> I personally cannot test this patch, as I don't own a Windows Phone.
>
> However, given this patch works successfully for at least some users (see also https://www.reddit.com/r/kde/comments/4aggg0/error_with_kio_while_trying_to_open_lumia_device/), I think we at least should give it a try.
>
> Adding group 'kdeframeworks' to reach a broader audience.
>
> Would be cool to get a proper review for this patch, or even someone who owns such a device!
>
>
> Diffs
> -----
>
> mtp/devicecache.cpp 8c5c7cf
>
> Diff: https://git.reviewboard.kde.org/r/127386/diff/
>
>
> Testing
> -------
>
> Compiles...
>
>
> Thanks,
>
> Dominik Haumann
>
>
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