On Tue, Feb 25, 2014 at 04:13:02PM +0000, Opensource [Adam Thomson] wrote: > On Tue, 25 Feb 2014 01:22:04 +0000, Mark Brown wrote: > > Refactoring the offset correction to happen once on startup would solve > > the issue since the cache could just be bypassed, though you are likely > > to find that there is some run to run variation for the callibration due > > to effects like thermal variation and simple measurement errors. Still, > > the effects are typically very small. > I have to agree, the variation won't be great. If it were then you'd see > problems for example when keeping a device awake for prolonged periods and > during fluctuations in temperature. As far as I'm aware issues like this have > not been experienced with this device so I think it's safe to make this a one > time thing at startup. OK, so in that case how about applying the patch I sent for now (since it should make things better for stable users) and then refactoring to do the callibration at startup with cache bypass enabled for a proper fix?
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