> The problem is that if the modem is totally powered off with a CFUN=0, > then how do we power it back on? CFUN=4, where the modem is still > alive but with radio off is already more than enough in most cases. > Why do you need the modem to be totally off?
In power low I could expect that the modem goes in some kind of power saving configuration but still connected to the network, it really depends on the modem capabilities, and when rfkill is not available, the modem is only set in power low, which may not be the same as radio off. I totally understand the problem though, modems that use CFUN=0 to power off are not listening to any command to put them ON again. I will look better to rfkill, but I still see a possible misunderstanding between power low intended as radio off and power low intended as power saving. Carlo On 13 March 2016 at 12:26, Aleksander Morgado <[email protected]> wrote: > On Sun, Mar 13, 2016 at 10:28 AM, Carlo Lobrano <[email protected]> > wrote: > > > > thank you, it is more clear now. I will check in my system for rfkill. > > One more question, do you think it will be feasible for NM to check > whether > > rfkill is available and, if not, to set the modem in power off in place > of > > just disabling it? > > The problem is that if the modem is totally powered off with a CFUN=0, > then how do we power it back on? CFUN=4, where the modem is still > alive but with radio off is already more than enough in most cases. > Why do you need the modem to be totally off? > > -- > Aleksander > https://aleksander.es >
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