Error setting operating mode.

[Paul Gildea]

Thanks, transition makes sense to me now. Seems persistent-low-power does
the job for airplane mode.
You are right, you can only go offline -> reset. I had thought going from
offline to low-power/persistent low power was working due to the
informational message ("Operating mode set successfully") but when you
query them it indicates reset as mode, so I know I need to reset.

qmicli -d /dev/cdc-wdm0 --dms-set-operating-mode=offline
[/dev/cdc-wdm0] Operating mode set successfully

qmicli -d /dev/cdc-wdm0 --dms-get-operating-mode
[/dev/cdc-wdm0] Operating mode retrieved:
        Mode: 'offline'
        Reason: 'unknown'
        HW restricted: 'no'

qmicli -d /dev/cdc-wdm0 --dms-set-operating-mode=low-power
[/dev/cdc-wdm0] Operating mode set successfully

qmicli -d /dev/cdc-wdm0 --dms-get-operating-mode
[/dev/cdc-wdm0] Operating mode retrieved:
        Mode: 'reset'
        HW restricted: 'no'

This is however useful as you can go offline, go to persistent-low-power
and then will be in that mode upon reboot.

Thanks!

--
Paul


On 2 March 2017 at 11:27, Bjørn Mork <bjorn at mork.no> wrote:

> Paul Gildea <gildeap at tcd.ie> writes:
>
> > I wish to use libqmi to enable airplane mode on a modem, it doesn't seem
> to
> > have this capability so I am looking at adding it. I guess I want to have
> > the radio set to offline and be persistent over reboot somehow. Anyway,
> > when testing out what I might do via the command set I have tried to turn
> > the radio off and then turn it back on to simulate turning on and off
> > airplane mode. However this gives an error I am having trouble with, any
> > help would be appreciated:
> >
> > qmicli -d /dev/cdc-wdm0 --dms-set-operating-mode=offline
> > Operating mode set successfully
>
> Try setting the mode to 'low-power' or 'persistent-low-power' instead.
>
>
> > qmicli -d /dev/cdc-wdm0 --dms-set-operating-mode=online
> > error: couldn't set operating mode: QMI protocol error (60):
> > 'InvalidTransaction'
>
> I believe you can only go to 'reset' from 'offline'.
>
>
>
> Bjørn
>
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