Re: [PATCH 1/1] telit: stay 'online' until POST_SIM state reached

[Denis Kenzior <denkenz@gmail.com>]

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Hi Jonas,

On 12/04/2012 09:46 AM, Jonas Bonn wrote:
> In offline state where CFUN=4, the Telit HE910 also powers down the SIM
> card so AT commands that query the SIM will fail.  These failures result
> in ofono not getting to POST_SIM state where it will export the GPRS
> feature.

Does the HE910 have a proper CFUN mode where it does not turn off the 
SIM?  You are making some nasty hacks because of it, and the other Telit 
devices support this just fine.

>
> This patch changes the Telit driver so it will not go immediately
> to CFUN=4 after enable, but to wait for the post_sim state to be
> reached before doing so.  In addition, the HE910 might send QSS: 0
> unsolicited reports while in CFUN=4 state... this patch makes it so
> that these are ignored until the modem is onlined and the actual
> SIM state can be queried again.

Also remember the modem can be 'Online' even without a SIM, or in 
pre-SIM state for e.g. emergency calls.  So much of the logic might break.

Regards,
-Denis