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Commit d0fdb443 authored by Tim Murray's avatar Tim Murray
Browse files

fpc: keep fpc in system-background 

The fingerprint HAL is insensitive to increased CPU throughput, but it also
has a tendency to spin while waiting for FP hardware. Limit FPC to the
system-background cpuset in order to avoid increased power consumption
when accidentally touching the fingerprint sensor.

bug 76115243
Test: fingerprint in system-background cpuset on taimen

Change-Id: Iaffe6f63bd76b7a1c4acaf0cae980840af515961
parent b99879b1

biometrics/fingerprint/2.1/default/android.hardware.biometrics.fingerprint@2.1-service.rc

+1 −0
Original line number Original line Diff line number Diff line
@@ -5,3 +5,4 @@ service vendor.fps_hal /vendor/bin/hw/android.hardware.biometrics.fingerprint@2. 
    class late_start

    class late_start

    user system

    user system

    group system input

    group system input

    writepid /dev/cpuset/system-background/tasks
 
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