On Tue, Feb 20, 2018 at 11:15:02PM +0100, Hans de Goede wrote: > TL;DR: The PLL1-supply must always be powered up when PLL1 is the sysclk > source and we can simply set the RT5651_PWR_PLL bit when selecting PLL1. Only if jack detection is enabled, if jack detection is not in use for some reason then the PLL isn't required and should be powered off - this is normally handled by having the jack detection code force enable things.
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