Re: [PATCH] usb:serial:optrion: fix dwm-158 3g modem interface

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On Tue, 2018-04-24 at 09:55 +0700, Lars Melin wrote:
> On 4/23/2018 23:54, Dan Williams wrote:
> 
> > > MI_00 D-Link Mobile Broadband Device  (cdc_ether)
> > > MI_02 D-Link HSPA+DataCard Diagnostics Interface (also ppp m
> > > MI_03 D-Link HSPA+DataCard NMEA Device
> > > MI_04 D-Link HSPA+DataCard Speech Port
> > 
> > Any idea what format this port speaks?  Some Huawei Qualcomm-based
> > devices still use a TTY driver but send/receive 16-bit 8000hz PCM
> > audio
> > frames via a serial port.  If the D-Link does something similar, it
> > may
> > still make sense to drive it via option.
> > 
> > > MI_05 D-Link HSPA+DataCard Debug Port
> > 
> > If it's FCCID KA2WM158B1 then it's a Qualcomm device, and this port
> > may
> > be a DIAG port.  It should also be driven by option if that's the
> > case.
> > 
> > I looked but couldn't find downloadable drivers for the DWM-158 so
> > I
> > couldn't double-check myself.
> > 
> > Dan
> 
> This is a DWM-158D1 or maybe they have versioned it E1, it is
> Mediatek 
> based.

Fair enough, then it certainly won't have DM/DIAG.

Dan

> Most (all?) of new D-Link modems are made by BroadMobi using
> Mediatek 
> chipset and having an additional AT cmdset in the AT+BM form.
> 
> 
> /Lars
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