> example 1: a laptop screen > > mode capacity power description > 0 0 0 off > 1 100 100 full brightness > 2 70 60 half power to the backlight > 3 50 35 quarter power to the backlight > 4 30 25 eighth power to the backlight > 5 5 10 backlight off. > > example 2: a front-panel display on a server (no variable backlight > control) > > mode capacity power description > 0 0 0 off > 1 100 100 backlight on > 2 50 10 backlight off the problem is: the person who SETS these needs to know what they mean. And the side that implements these needs to translate them as well... that's two translations, and information is lost in the abstract number in the middle that doesn't mean anything > if you don't want to make the shift with cpufreq, that's fine. it > sounds > like you are at least 90% of the way there anyway, it's not that big > a > deal, but do you think that there's value in replacing the current > ad-hoc > approach with something more structured (even if it's not this > proposal)? as someone who wrote (part of) a power policy manager; sorry but you take away information I need, and in addition the different API's are absolutely no big deal. -- if you want to mail me at work (you don't), use arjan (at) linux.intel.com Test the interaction between Linux and your BIOS via http://www.linuxfirmwarekit.org _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm