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The screen auto brightness has always bothered me. I love the convenience of using it but it simply doesn't work like I believe it should.
For example. At night while laying in bed in a completely dark room I'd expect the screen to dim to it's lowest setting. When in actuality it does not, and it always seems to bright. On the other hand when I'm outside in direct sunlight I'd like for the brightness to be at 100%. Again this doesn't appear to be the case.
So what's the issue here? Is there a dev out there who has found a better solution?
I agree with you on this one. The automatic brightness on the EVO is just silly. Its lowest is 25%, by the way. There should be a way to choose what you want the minimum/maximum brightness to be :\
I've seen this question before, some time ago, but still no solution. I've seen someone say use total screen control trial (free in market) and tweak the filter settings to essentially do the dimming value you want.
blakeboys said:
I've seen this question before, some time ago, but still no solution. I've seen someone say use total screen control trial (free in market) and tweak the filter settings to essentially do the dimming value you want.
Click to expand...
Click to collapse
I have been searching and searching for an answer to this. I don't want to have to use third party programs if I could just change the thresholds myself.
In Calkulins rom he says he lowered the maximum auto brightness to save on battery, and this question has been asked there, with no answer (except for the usual "just use this program to do it").
Someone has to know where the settings for this are. I'm getting more advanced at dealing with apk's, jars, etc... But I haven't been able to find which one controls this. Build.prop has some brightness settings in it, but it's just the default setting when not using auto-brightness (I think).
Anybody ?!?!?!?!?!?!?!?!?
I know it's possible, because Cyanogenmod has the option to tweak the levels in CM Settings.
I just know I've seen an app here on xda, but don't remember what it was.
plainjane said:
I know it's possible, because Cyanogenmod has the option to tweak the levels in CM Settings.
I just know I've seen an app here on xda, but don't remember what it was.
Click to expand...
Click to collapse
I know it must be here too but but searching comes up with nothing new. I've tried autobrightness, auto-brightness, with min and max levels, thresholds, custom settings and every other search I could think of.
Maybe I'm leaving out the one keyword that would finnd it... lol
http://forum.xda-developers.com/showthread.php?t=901540 he had some settings for it he might be able to help
Sent from my unrEVOked using xda app
roscoenr said:
http://forum.xda-developers.com/showthread.php?t=901540 he had some settings for it he might be able to help
Sent from my unrEVOked using xda app
Click to expand...
Click to collapse
Thanks for looking, but unfortunately I've been there already. It basically allows you to toggle between auto brightness and a variety of static levels, but doesn't affect the min and max of auto brightness when you are in that mode.
I'm trying to be able to leave the phone in auto brightness mode all the time and just have the screen get to it's max available brightness when I'm in a bright area, and minimum available brightness in a dark area.
fgr said:
I know it must be here too but but searching comes up with nothing new. I've tried autobrightness, auto-brightness, with min and max levels, thresholds, custom settings and every other search I could think of.
Maybe I'm leaving out the one keyword that would finnd it... lol
Click to expand...
Click to collapse
I did a quick search too, but I couldn't come up with what I saw before. I remember thinking "neat, but I don't need that because it's built into the Rom". It's driving me nuts now too :/
You could always contact one of the devs from CM & find out what files need to be edited.
Basically it sucks. It actually drives to crazy so I just don't use it anymore. When I am on tapa I put the background to black so it's a bit easier on the eyes when I am laying in bed going through the forums before sleep
Hello,
I recently bought used in mint HTC Desire. It had already S-OFF'ed, Rooted, Recovery Installed (CWM) and Custom ROM flashed (MIUI).
After few days, I noticed the issue of screen backlight is flickering when I set manual brightness setting to low or dim. Mostly at night times. Though could be ROM issue but when I flashed different ROM, there issue persists.
Later of researching, found that this is known issue in mostly Desire Z. When I set above 31%, backlight won't flicker so it means the LCD tolerance of low voltage is not good.
Now I cannot send it back for warranty as its 2nd hand and I don't have bill. Of course, international purchase.
I use 3rd party app to set 31% whereas default low setting is 20%. I would like to modify the default low brightness setting to 31% so that I can use default brightness manual slider and won't be needing of 3rd party apps.
Can anybody please help me where I can find the setting file? Or atleast a app to modify it.
Thanks...
Best Regards
Bump...
Someone please help me.
I'm new to android and cannot figure out solely.
I'm using Runnymede AIO V5.0.2 Special Edition ROM. Please help me how to modify the lowest/least/dim backlight setting. I sure its not so hard but I really don't know where to edit.
Please help guys!!!
Thanks...
Best Regards
Sebastian today uploaded new mod for auto-brightness settings...haven't tested it very well yet, but give it a try. It's downloadable from addons (names include "autobrightness", don't forget to chose correct HBOOT).
JamesXY said:
Sebastian today uploaded new mod for auto-brightness settings...haven't tested it very well yet, but give it a try. It's downloadable from addons (names include "autobrightness", don't forget to chose correct HBOOT).
Click to expand...
Click to collapse
Yeah noticed. I just downloaded and flashed v5.0.2 few hours before he released v5.0.3.
However, I don't think that will solve my LCD flickering issue because my LCD is faulty or doesn't work with low back light (tolerance), otherwise.
Backlight percent shouldn't go below 31% otherwise, my lcd starts to flicker. Default low setting is 20 I guess.
Thanks...
Best Regards
I think you are looking for this one...
kotag82 said:
I think you are looking for this one...
Click to expand...
Click to collapse
Thanks. I was doing that itself while you posted!
First time I used APKMultiTool to modify framework-res.apk and when I pushed to phone and reboot, it sucked at animation loop.
Had to reflash to get back to working device. Then I tried Apk Manager 4.9. Pushed the file and after reboot device is working fine.
But still same issue.
Things I have modified:
config_lowest_autoBrightnessLcdBacklightValuesDown
config_lowest_autoBrightnessLcdBacklightValuesUp
config_lowest_autoBrightnessLcdBacklightValues
Edited to 31 lowest in place of 30.
Edit: looks like thats different or otherwise related to auto brightness setting. Mine is with manual brightness setting. Anybody know where that will be?
Thanks...
Best Regards
did you wipe dalvik? I could be related to rc tweaks too as they have commands how to control those numbers... I don't that knowledge just learning that...
kotag82 said:
did you wipe dalvik? I could be related to rc tweaks too as they have commands how to control those numbers... I don't that knowledge just learning that...
Click to expand...
Click to collapse
No, thats different. Its auto brightness settings. Do you see or used Default, Lower and Lowest option in rc tweaks? Yes those settings are found in framework-res.apk. Thats what I have edited but it will not change manual brightness setting bar (in quick settings).
I guess manual brightness setting should be in kernel.
Im using Lower option and Im happy with it... Lowest is too low for me... try pm Droidzone he made kernel for seb15...
kotag82 said:
Im using Lower option and Im happy with it... Lowest is too low for me... try pm Droidzone he made kernel for seb15...
Click to expand...
Click to collapse
Wish my device was also same but its LCD has low backlight tolerance issue. And the device is 2nd hand nor I have money to buy new lcd. Thats why I'm struggling to fix it myself.
Tried some 3rd party apps. Worked fine but they didn't suited well for daily usage.
Droidzone has disabled PM and seb15 has denied asking questions via PM. I tried to post the issue in his thread but no body responded.
Thanks...
Best Regards
tried to ask on his website?
or try to flash snq kernel, maybe there is a tiny difference
kotag82 said:
tried to ask on his website?
Click to expand...
Click to collapse
I have sent PM to coolexe. Hope he will help me.
Thanks...
Best Regards
CRACING said:
I have sent PM to coolexe. Hope he will help me.
Thanks...
Best Regards
Click to expand...
Click to collapse
hi bro.
sorry for late reply i was out of home town...and there is only 2g network...
thats why no reply...
just check ur pm..
SONY XPERIA S's Auto Brightness is always on, so there's no need for some application to do that for you.
TEST : Press your DIAL icon and type this code : *#*#7378423#*#* : Press Service tests : Scroll down to : Ambient Light Sensor : Press it and you should see some values. Now put your finger on the sensor and those values will change. Now you know the sensor is working OK.
The build in Brightness which is in Settings/Display should be set over/or to 60%, if it is set under that value the auto brightness will not be ''AUTO''
And of course you can do a test in broad daylight, when the sun is up
Put your finger on the sensor and see the step by step brightness difference/changing.
Unrelated-hint : If you want to enter another secret menu this is the code : *#*#4636#*#*
You'll see :
Phone information
Battery information
Usage statistics
Wi-Fi information
skywalkerdroid said:
SONY XPERIA S's
The build in Brightness which is in Settings/Display should be set over/or to 60%, if it is set under that value the auto brightness will not be ''AUTO''
Click to expand...
Click to collapse
Nice info but what is the proof of this??
skywalkerdroid said:
[BUnrelated-hint : If you want to enter another secret menu this is the code : *#*#4636#*#*
You'll see :
Phone information
Battery information
Usage statistics
Wi-Fi information
Click to expand...
Click to collapse
Its Not secret menu...its a common code which can be used on any android device in world.........
n70shan said:
Nice info but what is the proof of this??
Its Not secret menu...its a common code which can be used on any android device in world.........
Click to expand...
Click to collapse
Well the point for this is that I saw so many threads about Auto Brightness apps, modes, tweaks and some other stuff, that are irrelevant when you know that the Auto Brightness is ON and ALWAYS working. The Auto Brightness is ON, so there is no need for some application occupying space on the phone, to do what your phone already is doing by itself.
And you're right, that's not a secret menu, but it's not a sub/menu in Settings either
skywalkerdroid said:
Well the point for this is that I saw so many threads about Auto Brightness apps, modes, tweaks and some other stuff, that are irrelevant when you know that the Auto Brightness is ON and ALWAYS working. The Auto Brightness is ON, so there is no need for some application occupying space on the phone, to do what your phone already is doing by itself.
And you're right, that's not a secret menu, but it's not a sub/menu in Settings either
Click to expand...
Click to collapse
well thats not a proper statement....thats only ur point of view.....how u can say that auto brightness is working by itself?? u have no proof for it..... may be xperia s has only manual control for brightness...
n70shan said:
well thats not a proper statement....thats only ur point of view.....how u can say that auto brightness is working by itself?? u have no proof for it..... may be xperia s has only manual control for brightness...
Click to expand...
Click to collapse
The proof is in my first post. But more easy, go out in the sun, put your finger on the sensor and the brightness will decrease automatically and vice versa.
n70shan said:
well thats not a proper statement....thats only ur point of view.....how u can say that auto brightness is working by itself?? u have no proof for it..... may be xperia s has only manual control for brightness...
Click to expand...
Click to collapse
He is right, but auto brightness works with 30% and up of a brightness.
Sent from my LT26i using xda app-developers app
The best value is 60 %. Any value under that will not make much difference regarding Auto Brightness.
I keep my phone on 30-40% and i can clearly see that auto brightness works and makes huge diference.
Also IMO 60% is to hell bright, and i can bet you barrelly can use display more then 2:30-3:00 hours.
Sent from my LT26i using xda app-developers app
electrash said:
I keep my phone on 30-40% and i can clearly see that auto brightness works and makes huge diference.
Also IMO 60% is to hell bright, and i can bet you barrelly can use display more then 2:30-3:00 hours.
Sent from my LT26i using xda app-developers app
Click to expand...
Click to collapse
Keeping the level at 60 %, which is the default setting will not drain the battery that fast. Under that, as you stated that you are keeping it at 30 %, well, in a few years you will need glasses. It's a smartphone,with HD screen resolution, let it do his job, make the best of it. Normal level is 60 %, not 100 % but for sure not 30 %
skywalkerdroid said:
Keeping the level at 60 %, which is the default setting will not drain the battery that fast. Under that, as you stated that you are keeping it at 30 %, well, in a few years you will need glasses. It's a smartphone,with HD screen resolution, let it do his job, make the best of it. Normal level is 60 %, not 100 % but for sure not 30 %
Click to expand...
Click to collapse
Booyaaah!! This kid is the boss. Happy to find a dude who does not hesitate. ONLY FACTS.
Enviado desde mi Lti26 usando xda App
YuriBasescu said:
Booyaaah!! This kid is the boss. Happy to find a dude who does not hesitate. ONLY FACTS.
Enviado desde mi Lti26 usando xda App
Click to expand...
Click to collapse
Yeah, but there's always someone trying to argue the facts.
skywalkerdroid said:
Keeping the level at 60 %, which is the default setting will not drain the battery that fast. Under that, as you stated that you are keeping it at 30 %, well, in a few years you will need glasses. It's a smartphone,with HD screen resolution, let it do his job, make the best of it. Normal level is 60 %, not 100 % but for sure not 30 %
Click to expand...
Click to collapse
Can you cite any scientific data to support your claim of loss of vision due to chronic use of low backlight screens or are you repeating a myth that our grandparents told us when we tried to read a book in darker rooms? All you can get from extreme cases is temporary eye muscle fatigue, nothing more.
http://science.howstuffworks.com/life/human-biology/reading-in-dim-light.htm
Another thing, I have done some endurance tests concerning impact of backlight on battery life and between 30% and 60% there is a substantial difference (few hours) in battery life.
Temporary eye muscle fatigue it's already SOMETHING you can GET from low light reading,right? But anyway,the truth is always somewhere in the middle. The point is that there is no need for an application to handle the Auto Brightness.
THERE IS A TRUTH IN EVERY MYTH!!!
skywalkerdroid said:
Temporary eye muscle fatigue it's already SOMETHING you can GET from low light reading,right? But anyway,the truth is always somewhere in the middle. The point is that there is no need for an application to handle the Auto Brightness.
THERE IS A TRUTH IN EVERY MYTH!!!
Click to expand...
Click to collapse
MYTHBUSTER
Sent from my LT26i using xda app-developers app
This thread is about Auto Brightness. I will ignore all off-topic comments.
I'm listening to your comments, and I put my brightness on 60%.
I know that the auto brightness is working, I've tested it many times. The best test to see something is to put the phone under a light bulb. You'll see the screen going brighter.
I'm curious why to put on 60%, I always have my phone on low brightness. When it's sunny, it brightens up itself.
Cheers
Give it a try, 60 % it's the default brightness on SONY XPERIA S. The phone's battery will not drain,and you'll see better what's happening on your smartphone screen
Best of luck.
how to set brightness exactly to 60%
@NUJ said:
how to set brightness exactly to 60%
Click to expand...
Click to collapse
Set it how you want it, this 60% perfect and non battery draining setting is bulls*it. It's just an original preset, that doesn't mean anything
Logic tells the less % the less battery drain.
He came from another world which have diferent nature laws.
Sent from my LT26i using xda app-developers app
Or does anyone know how to turn off this annoying misfeature?
Optimized Backlight is the name sony gave to the screen content dependent backlight setting. If your screen has a big proportion of white or other bright colors, the backlight will be brighter as well, if the content is mostly dark, then the backlight will get darker.
This is independent from the adaptive backlight setting and can not be turned off.
I did try CM11 to get rid of it, but CM11 also has this feature.
Try - hard boot using vol up + power button. Z1 owners reported it works.
thermalboyz said:
Try - hard boot using vol up + power button. Z1 owners reported it works.
Click to expand...
Click to collapse
Nope.
But, I searched a bit, and this feature is called Content Adaptive BackLight or CABL.
So, for the custom ROM builders out there, what about the build.prop setting ro.qualcomm.cabl ? In the sony ROM it is set to 1. Perhaps setting it to 0 would work?
I don't have a solution, but I agree that this is an annoying anti-feature that adds nothing to the user experience or image quality, just gets irritating fast.
Small consolation: it doesn't seem as aggressive on KitKat ...
ghtop said:
I don't have a solution, but I agree that this is an annoying anti-feature that adds nothing to the user experience or image quality, just gets irritating fast.
Small consolation: it doesn't seem as aggressive on KitKat ...
Click to expand...
Click to collapse
I dug a bit further and it seems that at least in some versions or on some devices with cm there actually is an advanced display settings dialog, where cabc, as they call it, can be disabled, but it wasn't there on my cm11.
ARBEIT ANGST KONSUMTERROR
Any solution to this yet? I'm guessing root is the only way? I find it annoying, but at least it's not as bad as the Z1.
toiletsss said:
Any solution to this yet? I'm guessing root is the only way? I find it annoying, but at least it's not as bad as the Z1.
Click to expand...
Click to collapse
i have root but still no way to turn it off do you know how to switch it off?
Sent from my C6902 using Tapatalk
Ame123 said:
i have root but still no way to turn it off do you know how to switch it off?
Sent from my C6902 using Tapatalk
Click to expand...
Click to collapse
This can not be turned off even if rooted.
I have same problem Its really anti feature!
Dislike this feature
mcghun said:
Dislike this feature
Click to expand...
Click to collapse
HARD REBOOT is the right way to fix this problem for a while.
Wrong thread, meant to post in c6903 sorry.
xperia z1 compact brightness change itslef even when i have turned off the auto brightness. for example, the brightness becomes dimmer when the overall display colour is dark or black colour and it becomes brighter when the ovrall display colour is white or bright colour. i mean im able to notice there is a slight change in display brightness when im viewing photo, watching videos or surfing inernet. the brightness just change itself even when i turn off the auto brightness. so is there any solution or is there anyone has same curcamstances?
CABL
Sent from the app on my Z1C...
if you're rooted you can disable it by changing the build.prop ro.qualcomm.cabl=1 to ro.qualcomm.cabl=0
Riyal said:
if you're rooted you can disable it by changing the build.prop ro.qualcomm.cabl=1 to ro.qualcomm.cabl=0
Click to expand...
Click to collapse
I tried that, but the effect still appears. Any idea?
I've noticed the same issue, especially when browsing using Dolphin
Two ideas (which both may be totally wrong).
Does the phenomenon occur anywhere or only in certain apps? Some apps just ignore certain system settings and mess with the phone how they want or how is defined within the respective app settings (like switching to auto-brightness even when it is turned off in the android system settings). There seem to be some very basic points missing in the holy whatever-app-coding-styleguide for android: Options shall always be OPTIONAL and, in case of doubt (which is always), don't fcuk with stick to the system defaults ... but I'm running off the track here.
With auto-brightness turned-on, there may be some slight loop-back kind of behaviour in that a brighter screen also creates a brighter environment for the light sensor, thus, making the device turning up brightness even more. Things like that happen in control/measurement systems all the time (well, not really all the time, but they do happen). I've never seen it on my phone, though. So, this is a very very hypothetical hypothesis if I may say so.
Hi
I set ro.qualcomm.cabl to zero, and for me the irritating behavior went away., and unfortunately the irritating behavior is still there.
Thanks for the info!
//Gunnar
GunnarKarlsson said:
Hi
I set ro.qualcom.cabl to zero, and for me the irritating behavior went away.
Thanks for the info!
//Gunnar
Click to expand...
Click to collapse
Just one qustion:
I assume i have to be rooted to set this value, correct?
Thanks in advance
Zweistein82 said:
Just one qustion:
I assume i have to be rooted to set this value, correct?
Thanks in advance
Click to expand...
Click to collapse
Correct!
GunnarKarlsson said:
Hi
I set ro.qualcom.cabl to zero, and for me the irritating behavior went away.
Thanks for the info!
//Gunnar
Click to expand...
Click to collapse
That's strange because it's kernel related so changing the build.prop has no effect as already mentioned, which I can +1 to.
XperienceD said:
That's strange because it's kernel related so changing the build.prop has no effect as already mentioned, which I can +1 to.
Click to expand...
Click to collapse
I'll look again just to make sure, there might have been a placebo effect...
I noticed the behavior in the kindle app. When reading white text on a black background the screen got brighter when there was a white chapter start image.
//Gunnar
XperienceD said:
That's strange because it's kernel related so changing the build.prop has no effect as already mentioned, which I can +1 to.
Click to expand...
Click to collapse
You are right, just placebo on my part, when duplicating the error case I noticed it in, the CABL is still there.
I really really wanted it to work though, that must count for something... :-/
I attach the images I used for comparison...
//Gunnar
GunnarKarlsson said:
I really really wanted it to work though, that must count for something... :-/
Click to expand...
Click to collapse
If only it worked that way lol. It's in the kernel but thus far no dev seems to have looked in to it.
Sent from the app on my Z1C...
XperienceD said:
That's strange because it's kernel related so changing the build.prop has no effect as already mentioned, which I can +1 to.
Click to expand...
Click to collapse
From google I got cabl=content adaptive backlight and it is intended for changing backlight change.. But what is its advantage?? Is it battery saver or battery eater??
Sent from my Xperia Z1 Compact (D5503)
Was searching for a solution to this 'feature', especially on a sunny day it is very annoying. Could it be that is has something to do with the BRAVIA engine? Just a thought..
so?
So this problem is kernel-related issue?
Is there any kernel that have fixed this?
Any soulution? It is super annoying
I have same problem. Any solution?
CM11
Thank you
I know this is for z1c, but I just got my hands on a z1 c6903 and it seems to do this a lot and fade on dark colours. I read that on 4.2.2 there used to be an optimized backlight option and disabling it would stop the screen doing it but it was taken out from kitkat. Does anyone know if any custom kernels would fix it? It's just really annoying.
What about setting:
/sys/devices/mdss_dsi_panel/cabc
to "0"?