[PATCH v2 2/2] ASoC: rt1015p: delay 300ms after SDB pulling high for calibration

[Mark Brown]

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 at kernel.org> 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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