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light service: mark as shutdown critical

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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
This commit is contained in:
Steven Moreland
2018-03-16 10:23:14 -07:00
parent 31857339ef
commit 59dbae92ed
1 changed files with 2 additions and 0 deletions
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2
light/2.0/default/android.hardware.light@2.0-service.rc
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@@ -3,3 +3,5 @@ service vendor.light-hal-2-0 /vendor/bin/hw/android.hardware.light@2.0-service
class hal
user system
group system
# shutting off lights while powering-off
shutdown critical