On Tue, 6 Oct 2020 09:02:01 +0200 Johan Hovold <johan@xxxxxxxxxx> wrote: > On Mon, Oct 05, 2020 at 02:07:23PM +0200, Wilken Gottwalt wrote: > > On Mon, 5 Oct 2020 18:36:36 +0700 Lars Melin <larsm17@xxxxxxxxx> wrote: > > > On 10/5/2020 18:06, Johan Hovold wrote: > > > > > Do you remember the interface layout and why you blacklisted interface > > > > 1? > > > > It is very likely that Cellient has replaced the VID with their own and > > > kept the PID, it is something other mfgrs has done when buying modules > > > from Qualcomm's series of devices with predefined composition. > > > > > > The MS Windows driver for 05c6:9025 describes the interfaces as: > > > > > > MI_00 Qualcomm HS-USB Diagnostics 9025 > > > MI_01 Android Composite ADB Interface > > > MI_02 Qualcomm HS-USB Android Modem 9025 > > > MI_03 Qualcomm HS-USB NMEA 9025 > > > MI_04 Qualcomm Wireless HS-USB Ethernet Adapter 9025 > > > MI_05 USB Mass Storage Device > > > > > > where the net interface is for QMI/RMNET. > > > It fully matches the blacklisting Wilken has done for 2692:9025 > > > > Does your device have a GPS connector? Mine had not and I'm not sure > > if the description of MI_01 is actually correct. I remember looking at > > this port and seeing bogus NMEA data. > > Well if it's NMEA then the interface shouldn't be blacklisted (even if > the values are bogus on your device), but if it's ADB it should be as > that is handled by userspace. > > Here's some lsusb output from a Cellient MPL200 that still uses the > Qualcomm VID: > > https://www.mail-archive.com/modemmanager-devel@xxxxxxxxxxxxxxxxxxxxx/msg04523.html > > which gives some support to Lars's hypothesis. I guess we'll just keep > the first interface reserved. Lars and Johan are right here. I found an older external Gobi driver where I actually added comments saying interface 1 is ADB and interface 3 is NMEA delivering only zeroed values because of the missing antenna connector, at least for the models I had access to. Will
