On Fri, Dec 11, 2020 at 12:47:47AM +0800, Tzung-Bi Shih wrote: > On Thu, Dec 10, 2020 at 11:42 PM Mark Brown <broonie@xxxxxxxxxx> wrote: > > Might we need to reset calib_done over suspend? If the device looses > > power I guess it forgets the calibration. > In our environment, the power VBAT and AVDD are still on even if the > system suspends. In more low power mode, AVDD could probably lose. > But agree with you, in general, suppose the device needs to calibrate > again after suspend/resume is better. Yeah, even on that system there might be a problem if the system goes into hibernate instead of suspend (especially if it hibernates due to running out of battery!).
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