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SubjectRe: [PATCH v2] USB: serial: option: add Fibocom FM101-GL variants
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On 11/23/2021 15:26, Mingjie Zhang wrote:
> Update the USB serial option driver support for the Fibocom
> FM101-GL Cat.6
> LTE modules as there are actually several different variants.
> - VID:PID 2cb7:01a4, FM101-GL for laptop debug M.2 cards(with
> adb interfaces for /Linux/Chrome OS)
> - VID:PID 2cb7:01a2, FM101-GL are laptop M.2 cards (with
> MBIM interfaces for /Linux/Chrome OS)
>
> T: Bus=02 Lev=01 Prnt=01 Port=03 Cnt=01 Dev#= 2 Spd=5000 MxCh= 0
> D: Ver= 3.20 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 9 #Cfgs= 1
> P: Vendor=2cb7 ProdID=01a2 Rev= 5.04
> S: Manufacturer=Fibocom Wireless Inc.
> S: Product=Fibocom FM101-GL Module
> S: SerialNumber=86bffe63
> C:* #Ifs= 7 Cfg#= 1 Atr=a0 MxPwr=896mA
> A: FirstIf#= 0 IfCount= 2 Cls=02(comm.) Sub=0e Prot=00
> I:* If#= 0 Alt= 0 #EPs= 1 Cls=02(comm.) Sub=0e Prot=00 Driver=cdc_mbim
> I:* If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=30 Driver=(none)
> I:* If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=(none)
> I:* If#= 4 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=(none)
> I:* If#= 5 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=(none)
>
> 0x01a2: mbim, tty, tty, diag, gnss
>
The descriptor say 7 interfaces but you have only listed 6 in your v2,
there was 7 in your v1.
I'm also quite sure that the interface with Prot=30 is the diag interface.

rgds
Lars




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