[KERNEL][MOD] Increase Touchscreen Sensitivity 4.2.2

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Crisisx1

Crisisx1

Senior Member
May 8, 2011
2,247
348
Orlando, FL
Re: [KERNEL][MOD] Increase Touchscreen Sensitivity

I just got my n4 last night..and one of the first things I noticed is how horrible the touch screen sensitivity is. Once I unlock the boot loader and root I will have to try this.

Coming from an s3 the touch sensitivity was awesome. I could even use my finger nail to tap on things and scroll.

But on the n4 I can lay my finger on the screen slowly and it will not register the touch. So annoying when your trying to type fast by just slightly hitting the keyboard.

Sent from my Nexus 4 using xda app-developers app
 
rlcassidy

rlcassidy

Senior Member
May 5, 2011
63
8
reddv1 said:
Updated kernel to 4.2.2 if anyone is still interested.

4.2.2 Any Rom CWR flashable zip: e015-AnyRom-4.2.2.zip
-Downgraded touchscreen firmware to e015
-Enable loading of modules
4.2.2 Any Rom CWR flashable zip: e015-hsic-AnyRom-4.2.2.zip
-Downgraded touchscreen firmware to e015
-Enable loading of modules
-msm_hsic_host wakelock fix
Click to expand...
Click to collapse

What is the difference in the two kernel downloads?

Sent from my Nexus 4 using xda premium
 
casonswag

casonswag

Senior Member
Aug 31, 2011
4,522
943
Jacksonville
Thanks for the update and like if something goes wrong can flashing a kernel revert it back?

Sent from my Nexus 4 using xda premium
 
R

reddv1

Senior Member
Sep 16, 2009
733
452
Torrance, CA
fksuperstar said:
is it the same from the OP e015-hsic-AnyRom-2-4.2.2.zip or last two post one is newer .. sorry ya cos the link still not work for me but the OP one i able to download .

sorry for my bad english
Click to expand...
Click to collapse

OK, I fixed all the links. I guess Google doesn't like me sharing files.

Latest hsic version is v2.1, posted in the OP.
Latest stock version is v1, posted in theOP.

Sent from my Nexus 7 using Tapatalk 2
 
Last edited:
fksuperstar

fksuperstar

Senior Member
Apr 19, 2007
151
8
island
Samsung Galaxy Note 10+
Is working tqvm I'm downloading. .. one more question can I still use other kernel after flashing yours.. I've readed said it will lost after flash other kernel .. I like the sensitive of the screen..

Sent from my Nexus 4 using xda premium
 
Last edited:
V

Voltor46

Senior Member
May 20, 2012
106
26
Just flash in CWM Recovery or we need to follow all the fastboot steps in the first post?

Enviado desde mi Nexus 4 usando Tapatalk 2
 
R

reddv1

Senior Member
Sep 16, 2009
733
452
Torrance, CA
fksuperstar said:
Is working tqvm I'm downloading. .. one more question can I still use other kernel after flashing yours.. I've readed said it will lost after flash other kernel .. I like the sensitive of the screen..

Sent from my Nexus 4 using xda premium
Click to expand...
Click to collapse

No, you will loose the sensitivity if you flash another kernel. If you want use a different kernel there is another mod( http://xdaforums.com/showthread.php?t=2163924 ) that downgrades the touch firmware at every boot.

Sent from my Nexus 4
 
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theguitarman94

theguitarman94

Senior Member
Aug 31, 2011
498
114
Wow what a difference this makes! The one thing that's been crippling my experience with the nexus 4 is the screen sensitivity and this mod seems to have made quite a big difference. Question is why did google make the newer driver less sensitive? And will they fix the issue in future updates? Thanks for this reddv1 :) Is there anything else that could reset the drive back to the newer one apart from booting into recovery? I'm quite liking this mod.
 
N

NMarco

Senior Member
Oct 6, 2007
131
9
can i know if this kernel works with CM 10.1 4.2.2? I must re-flash the kernel after i flash the cm nigthly?
 
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    reddv1
    4.2.2 Any Rom CWR flashable zip:
    e015-AnyRom-4.2.2-v1.zip
    -Downgraded touchscreen firmware to e015
    -Enable loading of modules
    4.2.2 Any Rom CWR flashable zip: (2/23/2013)
    Latest e015-hsic-AnyRom-4.2.2-v2.1.zip
    e015-hsic-AnyRom-4.2.2-v1.zip
    -Downgraded touchscreen firmware to e015
    -Enable loading of modules
    -msm_hsic_host wakelock fix thracemerin

    4.2.1 Any Rom CWR flashable zip:
    e015-AnyRom-
    ​
    4.2.1*http://goo.gl/BgiZz
    -Downgraded touchscreen firmware to e015

    Matt at http://code.google.com/p/android/issues/detail?id=40445 figured how to downgrade the touch firmware to a previous version, which had better sensitivity. But it won't stick after a reboot, so I compiled a custom kernel with the downgraded touch firmware.

    Here's how to make it stick after a reboot. This requires a my custom kernel and also to manually downgrade the touch driver once using terminal or adb.

    This will downgrade your touch firmware from E027 to E015.

    First, flash my kernel, download links listed above. .

    Second, after flashing the flashing the kernel and rebooting, download this file SynaImage.E015.bin*http://goo.gl/4vzd4 and place on the root of the sdcard.
    Then open terminal or adb and request root permission.
    Then type the following command "echo 1 /sdcard/SynaImage.E015.bin > /sys/devices/virtual/input/lge_touch/firmware"
    The screen will not be responsive to touch for a few seconds as the firmware is downgraded.

    To check if it downgraded successfully, run this in terminal "cat /sys/devices/virtual/input/lge_touch/fw_ver" you should get "E015" as a response. Try this after rebooting to see if it sticks.

    Your done! Now you have a nice sensitive touchscreen.

    Credit goes to Matt who figured out how to downgrade the touch firmware here http://code.google.com/p/android/issues/detail?id=40445, comment 42.

    This is totally reversible, just flash any kernel or booting into recovery, and the original firmware will update automatically.
    CWR Touch will revert the the touch firmware, therefore the touchscreen will be non-responsive for a few seconds when you first boot into recovery, you can use the volume buttons and power button until the touchscreen is responsive again. .

    Kernel Source: github.com/reddv1/msm.git
    Here's another method to downgrade the touch firmware
    Better: http://xdaforums.com/showthread.php?t=2163924
    http://xdaforums.com/showthread.php?t=2028289

    Sent from my Nexus 4 using Tapatalk 2
    View
    2
    R
    reddv1
    fksuperstar said:
    Is working tqvm I'm downloading. .. one more question can I still use other kernel after flashing yours.. I've readed said it will lost after flash other kernel .. I like the sensitive of the screen..

    Sent from my Nexus 4 using xda premium
    Click to expand...
    Click to collapse

    No, you will loose the sensitivity if you flash another kernel. If you want use a different kernel there is another mod( http://xdaforums.com/showthread.php?t=2163924 ) that downgrades the touch firmware at every boot.

    Sent from my Nexus 4
    View
    2
    thracemerin
    thracemerin
    winamp26 said:
    This mode works on galaxy nexus?:confused:
    Click to expand...
    Click to collapse

    No, its for Nexus 4, don't flash this on Galaxy Nexus.

    Sent from my Nexus 7 using Tapatalk 2
    View
    2
    KidCarter93
    KidCarter93
    I've just added this mod to the Nexus 4 Complete Index :)

    Sent from my GT-I9100 using xda premium
    View
    2
    R
    reddv1
    Updated kernel to 4.2.2 if anyone is still interested.

    4.2.2 Any Rom CWR flashable zip: e015-AnyRom-4.2.2.zip
    -Downgraded touchscreen firmware to e015
    -Enable loading of modules
    4.2.2 Any Rom CWR flashable zip: e015-hsic-AnyRom-4.2.2.zip
    -Downgraded touchscreen firmware to e015
    -Enable loading of modules
    -msm_hsic_host wakelock fix
    View

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