[MODULE] Fingerprint Scanner Booster

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veez21

Senior Member
Feb 22, 2016
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Fingerprint Scanner Booster

It does what the title says! It boosts Fingerprint sensor's responsiveness by prioritizing its process.
If you use custom roms and those roms have a little delay with unlocking the device using the fingerprint scanner, this should help you.

It does this by using these commands:

Code:
echo $(pgrep fingerprintd) >/dev/cpuset/foreground/boost/tasks
and
Code:
renice -n -20 $(pgrep fingerprintd)

Download:
https://www.androidfilehost.com/?w=files&flid=223362
 
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veez21

Senior Member
Feb 22, 2016
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I will test it right now then!

But when I add it in Magisk I get installation error. (Both versions).

Does this also somehow affect performance or battery on the phone?
Try installing in recovery.
As for battery life, I haven't noticed any significant dtain, just the usual 8-10 hour sot ?
 

Hootix

Senior Member
Dec 26, 2015
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Hmm, are you sure? I have it working here properly. You might experience little to no effect?
Yes it made things worse actually. I will try your v3. I have goodix scanner

---------- Post added at 07:54 AM ---------- Previous post was at 07:46 AM ----------

Updated to v3

* fixed permissions
* added some stuff for goodix fp scanners ?

link in the op
Tried it, still the same issue sadly.


It doesn't change anything it just makes things worse for me (goodix). The screen takes longer to wake up now than without the fix. By longer I mean it takes 4-5seconds for the screen to turn on

---------- Post added at 07:57 AM ---------- Previous post was at 07:54 AM ----------

You could try this post, my fp is now like Miui, not having delay anymore
https://forum.xda-developers.com/redmi-note-4/how-to/how-to-fix-finger-print-delay-redmi-t3688304
So basically just install the latest firmware again? Because the tap to wake and pocket detection are always turned of for me.
 
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chickentuna

Senior Member
Feb 13, 2012
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I also have a Redmi Note 4x and running Electrablue kernel. The kernel has Fingerprint scanner booster driver as stated by the dev. Will this modeule make any difference or are they just the same feature?
 

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  • 35
    Fingerprint Scanner Booster

    It does what the title says! It boosts Fingerprint sensor's responsiveness by prioritizing its process.
    If you use custom roms and those roms have a little delay with unlocking the device using the fingerprint scanner, this should help you.

    It does this by using these commands:

    Code:
    echo $(pgrep fingerprintd) >/dev/cpuset/foreground/boost/tasks
    and
    Code:
    renice -n -20 $(pgrep fingerprintd)

    Download:
    https://www.androidfilehost.com/?w=files&flid=223362
    3
    Updated to v3

    * fixed permissions
    * added some stuff for goodix fp scanners ?

    link in the op
    2
    I just created a channel which contains all of my announcements and betas to my projects, feel free to join the Telegram Channel

    https://t.me/joinchat/AAAAAERK3yCi1PxQjuG-Wg
    1
    changelog:

    v1 - initial release
    v2 - added loop for better application
    1
    Can't find it when I search on the magisk manager .
    Does it mean it isn't safe for me to use ?
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