Question Cameraservice_worker partial wakelock

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OgreTactic

Member
Jan 4, 2018
38
1
hey there, I'm having power saving on, but BSS_InDisplaySensorHelp is draining a ****ton with lots of wakelock, except I can't disactivate the fingerprint sensor icon when on power saving...so I'm screwed either way or is it safe to just force disable it?
 

Hamid Chikh

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Nov 15, 2016
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Google Pixel 6
Guys!!! The camera service wakelock is back! Android 12. Turning on accidental touch protection seems to reduce the amount of wakelocks but does not seem to save that much battery, this is without accidental touch protection on. So I'll provide a screenshot later today with the feature on so you can see the difference. I've emailed the CEO of Samsung to see if anything gets done about it. I'm tired of it now. It's been going on wayyyy to long 🤔😮💨🥱 so we'll see what happens.
Uninstall it via adb
 

Hamid Chikh

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Nov 15, 2016
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Google Pixel 6
Has anyone any update on this? my 4 months old S21U 5G is just terrible with battery life.
 

Hamid Chikh

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Google Pixel 6
What's the consequence of uninstalling?
Nothing at all, i have all camera services uninstalled in my config and things have never been better.
Here
 
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  • 10
    Ok, so today (thanks sunday) dig this issue further as too many discussion was going on but never experienced it as my S21U is just spared device and only using for development purpose.
    There are some good and bad news.
    • This seems intentional and to prevent camera motor sound while device isn't being used. I have doubt samsung gonna fix this
    • There can be some workaround/partial fix and may some good fix
    • Partial fix may have some compromisation like disable sensor at all while screen is off. This can be achieved with external app. Again there may be little drain for this app (Though should be negligible). App needs root.
    • Some system level fix (custom ROM) can be tried, I have tested one and result is attached in below screenshot. C=control (with stock) T= Test. In both tests, I couldn't find CamerService_wakelocks.
    Teseted1 for 9-10min walk + 2-3 min standby + some shaking - No wakelock detected
    Tested 2 with some semi manual changes - 5 min walk + some shake - No wake lock detected
    Restore stock and (control) and wakelocks returns.
    Important things to test are :
    • How much this makes difference practically
    • Does this breakes any camera/other important fuctions (Specifically when system level changes made)

    Main drawback is either of method needs root. Still looking if some workaround there for non root but chances are thin.
    Yet needs some more and thorugh testing. Let's see how time permits.


    Screenshot_20210606-201752.jpg Screenshot_20210606-224203.jpg Screenshot_20210606-223335.jpg Screenshot_20210606-222556.jpg
    6
    Though not perfect but we can write some scripts (meanwhile Samsung fix it) that can turn off sensors while screen is off and vice versa when screen turns on.
    6
    Which app to use or where to go to disable this wakelock?
    It's under development (testing) phase.
    6
    Today tested effect of fix and with Sensor off method (Tool with Auto off sensor when screen is off) drain was nearly 2-3%, similar to turning off sensor manually (Benefit of fix is, it will do it on it's own, you don't needs to turn sensor On/off manually)
    Another fix is pretty cool (ROM level), No wakelocks at all. nearly 1 hr (10-15 min walk, 2-3 min screen on and rest of time in pocket in sitting position) battery drain was only 1% (attached screenshot). This fix doen't needs QS tile too.
    Unfortunately both needs root.