16 Jan
2019
16 Jan
'19
4:50 p.m.
On Tue, Jan 15, 2019 at 09:42:09PM +0100, Takashi Iwai wrote:
The last one has prepare and complete callbacks in addition to the other standard PM calls. And tm2_pm_preapre() stops sysclk and complete() starts sysclk. I don't understand why these are needed in prepare and resume. Can anyone explain?
AFAICT it's just making sure that they're available ASAP so they look always on to the rest of the system.