Re: [PATCHv2 0/2] CPIN polling mechanism

[Denis Kenzior <denkenz@gmail.com>]

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Hi Nicolas,

On 07/21/2011 05:01 AM, Nicolas Bertrand wrote:
> v2 changes:
>  - change AT channel from modem to aux
>  - raise timeout to 20 since some dongle take a while to be
>    operational
>  - send sim inserted notify related to the current status
> 
> As no SIM card status urc is available with ZTE and Speedup, the SIM 
> state is set by default to OFONO_SIM_STATE_INSERTED even if no SIM card 
> is inserted. Also, we are facing with a modem latency after the ttyUSB 
> is opened (first AT commands are failing and the PIN status query 
> returns CME ERROR: 14 - SIM Busy).
> So, to deal with those 2 issues, this patch set is introducing a 
> preliminary PIN status polling in the ZTE/Speedup plugins. In practice, 
> this polling is started after the modem is enabled and stopped when the 
> CPIN query returns an other result than CME ERROR 14 or when the polling 
> duration exceeds 5 seconds.
> As a result, the SIM state is set according the result of the CPIN query 
> and the update of the modem_powered state is postponed which delays the 
> next AT commands.
> 
> Developed conjointly with philippe nunes.
> 

I've added PIN polling utility to drivers/atmodem/atutil.c and have made
the mbm plugin use this.  Can you check whether this utility is suitable
for ZTE/Speedup drivers?

Regards,
-Denis