platform_hardware_interfaces/light/2.0/default/android.hardware.light@2.0-service.rc
Steven Moreland 59dbae92ed light service: mark as shutdown critical
Required because the lights need to be turned off late in boot
(e.x. during fsck for disk health), and before, blank_screen
accessing light encountered a race condition where if it didn't
get scheduled before all of the processes which were getting
shutdown were getting killed, the screen wouldn't blank.

Bug: 74976325
Test: adjusting brightness continues to work
Test: screen blanks during shutdown at the correct time
    including when an artificial 5s delay is inserted when
    the phone normally fscks (which can also be quick)

Change-Id: I57ebc11d7ecf57ee327c681455712f4b53de6fd3
2018-03-16 17:26:21 +00:00

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service vendor.light-hal-2-0 /vendor/bin/hw/android.hardware.light@2.0-service
interface android.hardware.light@2.0::ILight default
class hal
user system
group system
# shutting off lights while powering-off
shutdown critical