CHROMIUM: ipu3-imgu: Separate internal power sequence from rpm

imgu HW requires power cycle before restarting stream.
But with synced rpm put call, the whole ACPI power domain
will be turned off which adds uncessary latency.
This patch separates the internal power sequence of
imgu from the rpm callbacks so that ACPI power domain
is not toggled frequently.

Signed-off-by: Tianshu Qiu <tian.shu.qiu@intel.com>
Change-Id: I5e745b830000a8b61dbf7e264bbd77169a715e68
Reviewed-on: https://chromium-review.googlesource.com/656959
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
1 file changed