Pavel Machek wrote: ...
...but adding new /sys/power/state might be okay. We should not have introduced "standby" in the first place [but I guess it is not worth removing now]. If something has more than 2 states (does user really want to enter different states in different usage?), I guess we can add something like "deepmem" or whatever. Is there something with more than 3 states?
In most of the cases I'm thinking of, it wouldn't be a user requesting a state but rather software (say, a cell phone progressively entering lower power states due to inactivity). I haven't noticed a platform with more than 3 low-power modes so far, but I'm sure it'll happen soon. If the time isn't right for incompatible changes to these interfaces then I guess mapping standby and mem to platform-specific things will work for now, maybe with some tweak to allow a choice of actual state entered. At some more opportune time in the future I'll suggest an attribute that allows a choice of platform-specific method of suspend-to-mem, somewhat like the "disk" attribute for suspend-to-disk. Thanks,
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