On Tue, May 29, 2018 at 10:30:33PM -0700, Doug Anderson wrote: > On Wed, May 23, 2018 at 8:56 AM, Mark Brown <broonie@xxxxxxxxxx> wrote: > > Yes, that's definitely not what's expected but it's unfortunately what > > the firmware chose to implement so we may well be stuck with it > > unfortunately. > We're not really stuck with it if we do what I was suggesting. I was > suggesting that every time we disable the regulator in Linux we have > Linux vote for the lowest voltage it's comfortable with. Linux keeps > track of the true voltage that the driver wants and will always change > its vote back to that before enabling. Thus (assuming Linux is OK > with 1.2 V - 1.4 V for a rail): That's pretty much what it should do anyway with normally designed hardware.
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