Re: [MM] [PATCH] modem: use +CEREG to determine EPS network registration status

[Dan Williams <dcbw redhat com>]

On Fri, 2013-02-15 at 09:20 -0800, Ben Chan wrote:
> Thanks Aleksander.
>
>
> I committed a a patch to the Chromium OS tree to enable EPS
> registration check for the novatel-lte plugin. I'd like to see if you
> and Dan would like to enable it for any LTE-capable modem by default.
> If so, I will submit a follow-up patch to the modem code instead of
> the novatel-lte plugin.

Yeah, I'd like to see it enabled by default if the modem has LTE
capability and an AT port.

Dan

> Ben
>
> On Thu, Feb 14, 2013 at 11:56 PM, Aleksander Morgado
> <aleksander lanedo com> wrote:
>         
>         >>>
>         >>>
>         >>> Will you be able to test my patch v2 on some of the modems
>         you
>         >>> mentioned?
>         >>
>         >> Sure, can do.
>         >
>         > The V2 patch doesn't seem to cause problems with the ADU960,
>         but then
>         > again, I don't have access to the LTE networks it can use
>         (AT&T and
>         > Lightsquared).  After patching the code to unconditionally
>         enable CEREG,
>         > the device responds correctly to CEREG requests:
>         >
>         > AT+CEREG=2
>         > OK
>         > AT+CEREG?
>         > +CEREG: 2,1
>         > OK
>         >
>         > when I'm registered on T-Mobile's GSM network.  So while I'd
>         really like
>         > to have us try CEREG unconditionally if we can, I'm fine
>         with the V2
>         > patch as it is.
>         
>         
>         
>         I just pushed the v2 patch now. Whenever we can test it
>         properly I guess
>         we can enable this by default, so not a big deal.
>         
>         Ben, will you send a patch to enable it in the novatel-lte
>         plugin?
>         
>         --
>         Aleksander