Database Develop

Auto Brightness problems?

Auto brightness seems to behave very unpredictably--when I wake my phone and unlock/use it, it will remain at dimmest setting (too dim), and will seemingly randomly move to a more appropriate brightness (not with intense activity, it's really random), and will again randomly revert to dim setting (not with stoppage of activity).
Is auto brightness messed up with android or the note, and how can I fix it? Just set a manual brightness level?
Running cassie x lite rom and latest franco kernel btw.

No advice about this anyone?

Automatic brightness issue
Hello Friends, I have a similar problem as the OP, octavian90.
For my Galaxy Note, following the sequence below,
Applications > Settings > Display > Brightness
By default the slider for Automatic brightness is towards the middle/centre.
I have unchecked Automatic brightness and calibrated the slider to the extreme left.
I have come across the following strange observations -
1] When I unplug my device after charging, the slider resets to the default level.
2] After I recalibrate it to the extreme left once again and make a phone (voice) call, the slider resets to the default level over again.
Is this normal behaviour or does my device actually have a problem? I am very confused and worried. The device is not even a month old.
Eagerly awaiting your expertise. Thank you octavian90 for initiating this topic.

Friends, awaiting your much needed replies to my queries above.

Have you disabled the screen saver or what its called that adjust the brightness automaticly.? Works like a auto brightness but it can adjust some things brighter and some dimmer eaven on same light....

I just checked my settings and the have the slider all the way to the right because last time I manually adjusted brightness for reading in full daylight. It is currently on automatic brightness (I prefer that setting and don't find it changes too often or too laggy)
I just then manually adjusted slider to about 20% from left while on USB charge then turned automatic back on again. I then removed charger and it still shows automatic and slider about 20% from left.
Could be a ROM/Kernel issue? I am using Rocket ROM with Franco Kernel.

I don't think the position of the slider matters when backlight is set to auto. Or does it?
Sent from my rooted Galaxy Note using XDA Premium App

altae said:
I don't think the position of the slider matters when backlight is set to auto. Or does it?
Sent from my rooted Galaxy Note using XDA Premium App
Click to expand...
Click to collapse
No it doesn't matter when on autobrightness. But it should remember the last manual setting chosen so not sure what is causing that glitch.

Hm never really paid attention to the behaviour of the slider. I will take a look and report back how mine works.
Sent from my rooted Galaxy Note using XDA Premium App

What I found out: On my device the position of the slider before activating auto mode is completely irrelevant because as soon as I activate the auto mode the slider is reset to its middle position.
Sent from my rooted Galaxy Note using XDA Premium App

Interesting - just turned autobrightness of and you are right - slider went to the middle. Must be by design then. Problem solved

SoonHD2 said:
Have you disabled the screen saver or what its called that adjust the brightness automaticly.? Works like a auto brightness but it can adjust some things brighter and some dimmer eaven on same light....
Click to expand...
Click to collapse
Sorry SoonHD2, I did not understand what you meant. I am confused with the screensaver part you stated.
A humble request for an explanation, if required. Thank you.
altae said:
What I found out: On my device the position of the slider before activating auto mode is completely irrelevant because as soon as I activate the auto mode the slider is reset to its middle position.
Click to expand...
Click to collapse
This happens with my Galaxy Note as well. Thus, it seems like it is meant to be this way.
I will keep an eye on this and report if and when the Auto brightness slider acts differently.

Can't stop my N1 from dimming the screen after ~20 seconds when plugged in

Hi all,
I've had a search around but couldn't find this particular issue discussed.
I have a N1 running CM7. When the phone is plugged in (either on my desk, or in the car) the screen will auto dim to a very low level after approx. 20 seconds after last touch.
This happens if the brightness is set to auto or a manual level. I've gone through all the settings I can find but couldn't find anything regarding this. I have got developer > stay awake enabled, which I guess stops the screen from actually sleeping, but it still goes dim.
The CM7 auto dim settings are disabled.
Any advice folks? I want the screen to not auto-dim after 20 seconds. Out of interest, the 'Car Widget Pro' widget seems to be able to force the brightness if you choose something other than 'auto' in the widget settings. So perhaps I am missing something somewhere else?
It's a real PITA when trying to navigate in the car with google maps as whenever I touch the screen to get the brightness back it disables gps tracking and I have to re-hit the icon, which is distracting whilst driving..
Here's hoping..

Hey, I'm only posting because I had a very similar issue. What I did was go into display settings (while connected via USB) and changed the timeout to one minute (or whatever you want). For me, when I went to change the timeout, no item was selected by default. This happened to me after I installed WidgetLocker for some reason. I doubt I will help but I had a very similar issue...

xd_sjo said:
Hi all,
I've had a search around but couldn't find this particular issue discussed.
I have a N1 running CM7. When the phone is plugged in (either on my desk, or in the car) the screen will auto dim to a very low level after approx. 20 seconds after last touch.
This happens if the brightness is set to auto or a manual level. I've gone through all the settings I can find but couldn't find anything regarding this. I have got developer > stay awake enabled, which I guess stops the screen from actually sleeping, but it still goes dim.
The CM7 auto dim settings are disabled.
Any advice folks? I want the screen to not auto-dim after 20 seconds. Out of interest, the 'Car Widget Pro' widget seems to be able to force the brightness if you choose something other than 'auto' in the widget settings. So perhaps I am missing something somewhere else?
It's a real PITA when trying to navigate in the car with google maps as whenever I touch the screen to get the brightness back it disables gps tracking and I have to re-hit the icon, which is distracting whilst driving..
Here's hoping..
Click to expand...
Click to collapse
There's an app for that. Search Google Play for screenwake or something. I dunno I'll search up the name for you tommorow
Sent from my Nexus One using XDA

[Q] Brightness oddity, please help.

I've noticed that while viewing something my phone sometimes changes the brightness, not drastically, but noticeable still, especially if the background is white. My auto brightness is off and I'm running stock and not rooted. I was wondering if it was something with my phone or is it normal?

Is your sleep timer set to Auto Sleep? It dims the phone automatically if you're not moving it enough. Try changing it to a set timer and see if it still does it.

DiZzyBonne said:
Is your sleep timer set to Auto Sleep? It dims the phone automatically if you're not moving it enough. Try changing it to a set timer and see if it still does it.
Click to expand...
Click to collapse
Just tried it at your suggestion. I tried it for 45 seconds then a minute it still happens. The best way I can describe it is if you use blinkfeed or any rss reader that has a light theme or even a web site like this. If you see a picture, then scroll away from it like you're reading the rest of the article, it'll dim a little bit.

As mentioned above I believe this may be the HTC Ones auto screen tone adjusting similar to how you put your home HDTV color temps on Dynamic, Standard, Movie, Sports etc. The HTC One like the Samsung S3 both utilize a battery saving technology used to automatically adjust the tone of webpages and other pure white screens by conserving battery power. I would try viewing the same screen with the power save features on and off to see if there's any noticeable difference. I don't believe there is a specific setting for this technology on the settings panel in the One like there is on the S3.
Sent from my HTCONE using xda app-developers app

Hmm, I can't get this to reproduce. The only thing I can think of is the stock web browser has a setting to dim webpages that are still loading, but I don't think that helps you any. Sorry .

Skyymiles
I've also tried just tried what you suggested, it still happens, which is strange.
DiZzyBonne
I tried that too, tested it with Naked Browser and Opera Mini.
Still, thank you both for trying to help, I appricate it. I'm still within the couple of days to return, so I'm just going to go and see if I can get a swap for another HTC One.

Do you have power save mode on?

x714x said:
Do you have power save mode on?
Click to expand...
Click to collapse
No, not originally. I did turn it on, tested, then off again to see if that did anything but to no effect. Still, this won't push my away from the phone. It's a beautiful piece, I just hope the swap will fix that.

Screen changing brightness when not on Auto and no power saving...

I just got my Asus tf701t and, while first using it, the home and back buttons did not work in portrait mode and the screen would change brightness at varying time intervals (usually a few seconds) when the brightness was set very low. an update to 4.3 cured the back and home button issue but the screen still can't stay at one brightness level when I set it to very dim. It's not changing dramatically, more like a few percent, but enough to be distracting.
The odd part is that the dimming/brightening issue almost seems application dependent. It occurs far more often in the home screen or skout but almost never when playing shadowgun dead zone or when using naked browser.
Does anyone else have similar issues?
The only posts about flickering on other people's tf701t seem to be related to power saving and I need to know if this needs to be exchanged or if this is a common problem.

dbozam said:
I just got my Asus tf701t and, while first using it, the home and back buttons did not work in portrait mode and the screen would change brightness at varying time intervals (usually a few seconds) when the brightness was set very low. an update to 4.3 cured the back and home button issue but the screen still can't stay at one brightness level when I set it to very dim. It's not changing dramatically, more like a few percent, but enough to be distracting.
The odd part is that the dimming/brightening issue almost seems application dependent. It occurs far more often in the home screen or skout but almost never when playing shadowgun dead zone or when using naked browser.
Does anyone else have similar issues?
The only posts about flickering on other people's tf701t seem to be related to power saving and I need to know if this needs to be exchanged or if this is a common problem.
Click to expand...
Click to collapse
I don't have the flickering when not on auto and lowest setting.
However some apps can dimm the screen while loading.
On the TF700 the stock browser did that when loading a page but on the TF701 the brightness doesn't do that.

You have an ambient light sensor built into the device. It adjusts the brightness based on the lighting in your environment. It can't be turned off either.
Sent from my Transformer Infinity TF701T using Tapatalk HD

xRevilatioNx said:
You have an ambient light sensor built into the device. It adjusts the brightness based on the lighting in your environment. It can't be turned off either.
Click to expand...
Click to collapse
It can't be turned off? So when you turn on automatic brightness it just changes the brightness more drastically? This doesn't sound right.
Based on the other poster's response, I think I need to return this unit. The screen dimming/brightening happens to often and randomly to be part of my apps and I even noticed, in some apps, that just touching the screen causes a brightness change.
Even if this is by design, it is far too distracting.

dbozam said:
It can't be turned off? So when you turn on automatic brightness it just changes the brightness more drastically? This doesn't sound right.
Based on the other poster's response, I think I need to return this unit. The screen dimming/brightening happens to often and randomly to be part of my apps and I even noticed, in some apps, that just touching the screen causes a brightness change.
Even if this is by design, it is far too distracting.
Click to expand...
Click to collapse
Read it and weep my friend. Proof is in the pudding..
Sent from my Transformer Infinity TF701T using Tapatalk HD

dbozam said:
I just got my Asus tf701t and, while first using it, the home and back buttons did not work in portrait mode and the screen would change brightness at varying time intervals (usually a few seconds) when the brightness was set very low. an update to 4.3 cured the back and home button issue but the screen still can't stay at one brightness level when I set it to very dim. It's not changing dramatically, more like a few percent, but enough to be distracting.
The odd part is that the dimming/brightening issue almost seems application dependent. It occurs far more often in the home screen or skout but almost never when playing shadowgun dead zone or when using naked browser.
Does anyone else have similar issues?
The only posts about flickering on other people's tf701t seem to be related to power saving and I need to know if this needs to be exchanged or if this is a common problem.
Click to expand...
Click to collapse
My 701 is doing this as well. Turned off auto brightness, turned off power saver, rebooted. When it comes back up the device acts like auto brightness is on, with screen brightness fluctuaating randomly. Turning power saver on and off again seems to solve it, but that behavior is very annoying - it's why I turn auto brightness off in the first place.
US SKU running 4.3 installed via ota, no root or unlock or anything - straight stock. Its also my second device, my original had a bad cable and wouldn't charge. Serial number ends in 072259.
Sent from my K00C using Tapatalk 4

Aaroneious said:
My 701 is doing this as well. Turned off auto brightness, turned off power saver, rebooted. When it comes back up the device acts like auto brightness is on, with screen brightness fluctuaating randomly. Turning power saver on and off again seems to solve it, but that behavior is very annoying - it's why I turn auto brightness off in the first place.
US SKU running 4.3 installed via ota, no root or unlock or anything - straight stock. Its also my second device, my original had a bad cable and wouldn't charge. Serial number ends in 072259.
Sent from my K00C using Tapatalk 4
Click to expand...
Click to collapse
I also tried turning power saver mode on and off and for me it seemed to improve the situation but not eliminate it. I am going to return the tablet and wait for the nexus 10.

Ugh, mine has been doing this, too. Can't believe there isn't a setting somewhere...

Mine is doing the same thing... glad that it's not just me, but this flickering is very annoying

Driving me nuts
I'm having the same problem and it's driving me nuts!
I'm quite convinced it's a software "feature" but currently there seems to be no way to turn it off?
It's one of those "Adjust brightness of the screen based on content" or "Changing LCD refresh rate and colors for power saving" but sadly it does it the wrong way around (This has been going on for a while now, manufacturers don't really get it). When there is a lot of bright content the brightness will rise and when there is mostly a dark screen it will fall.
Of course, this should happen exactly the other way around. When there is a lot of bright/white on my screen it should lower and when there is mostly black it should become brighter thus giving you more contrast but keeping the overall lux that comes off your screen the same...... My Intel graphics notebook does this too and it's very irritating. There they do it by manipulating the LCD screen and lowering the refresh rate and other tricks to save battery. First thing I turned off.
However way it goes though, you should be able to turn it off!

Quindor said:
I'm having the same problem and it's driving me nuts!
I'm quite convinced it's a software "feature" but currently there seems to be no way to turn it off?
It's one of those "Adjust brightness of the screen based on content" or "Changing LCD refresh rate and colors for power saving" but sadly it does it the wrong way around (This has been going on for a while now, manufacturers don't really get it). When there is a lot of bright content the brightness will rise and when there is mostly a dark screen it will fall.
Of course, this should happen exactly the other way around. When there is a lot of bright/white on my screen it should lower and when there is mostly black it should become brighter thus giving you more contrast but keeping the overall lux that comes off your screen the same...... My Intel graphics notebook does this too and it's very irritating. There they do it by manipulating the LCD screen and lowering the refresh rate and other tricks to save battery. First thing I turned off.
However way it goes though, you should be able to turn it off!
Click to expand...
Click to collapse
I'm having the same issue. I think it's the smart dimmer option Asus have used before but they forgot to include it in the Asus customised options. I'll have a dig through the ROM to see where it is stored.

I'm having this problem as well.
I have my brightness set to about 80%, Auto-Brightness Off, Power Save Off.
It is very annoying when reading magazines that have a lot of white background. My screen will be stable for minutes then, often on a touch, will change the screen brightness, seemingly by 5-20%.
I was just getting ready to return it, and thought I would check here to see of anyone else has this problem. Has any actually called Asus with this complaint? I would be interested to know if they see this as a hardware defect, software bug, or working as designed.
PS - I just placed a technical support request about this on the Asus Website. Here is my problem description:
Even with automatic brightness & power saving turned off, the brightness of the screen will change over time, often seemingly in response to a touch. (Reading Mode is Off as well.)
The period between changes can vary from several minutes to 30 seconds. It happens both while docked and undocked. It happens with apps and just at the launcher.
The amount of brightness change is 5-20% and it will often seem to step through some values before it stops at a particular one.
Given how fantastic looking the screen is, this unwanted fluctuation is particularly annoying.
I also own a TF201 and have not experienced this problem on that product.
Click to expand...
Click to collapse

sschlosnagle said:
I'm having this problem as well.
I have my brightness set to about 80%, Auto-Brightness Off, Power Save Off.
It is very annoying when reading magazines that have a lot of white background. My screen will be stable for minutes then, often on a touch, will change the screen brightness, seemingly by 5-20%.
I was just getting ready to return it, and thought I would check here to see of anyone else has this problem. Has any actually called Asus with this complaint? I would be interested to know if they see this as a hardware defect, software bug, or working as designed.
PS - I just placed a technical support request about this on the Asus Website. Here is my problem description:
Click to expand...
Click to collapse
I have this issue too but not a real biggie as the connection problems between dock and tablet.

Same problem!
dbozam said:
I just got my Asus tf701t and, while first using it, the home and back buttons did not work in portrait mode and the screen would change brightness at varying time intervals (usually a few seconds) when the brightness was set very low. an update to 4.3 cured the back and home button issue but the screen still can't stay at one brightness level when I set it to very dim. It's not changing dramatically, more like a few percent, but enough to be distracting.
The odd part is that the dimming/brightening issue almost seems application dependent. It occurs far more often in the home screen or skout but almost never when playing shadowgun dead zone or when using naked browser.
Does anyone else have similar issues?
The only posts about flickering on other people's tf701t seem to be related to power saving and I need to know if this needs to be exchanged or if this is a common problem.
Click to expand...
Click to collapse
Thank you very much for creating this topic, because I was worried for my tablet too!
---------- Post added at 11:55 AM ---------- Previous post was at 11:52 AM ----------
Snah001 said:
I have this issue too but not a real biggie as the connection problems between dock and tablet.
Click to expand...
Click to collapse
I heared a lot of people say I about this, but happily I seem to don't have it or I don't detect it. What is this dock problem about?

I suspect this is the same "smart dimming" feature that the 700 had.

improvius said:
I suspect this is the same "smart dimming" feature that the 700 had.
Click to expand...
Click to collapse
Yep me too and as soon as I root I'm going to see if the same fix will turn it off

There seems to be no way to disable this. Some believe it's the light sensor, but I've taped over mine with black electrical tape and tested and I don't see any difference in the behavior. Check our my Youtube video if you are a user who doesn't see the issue (look for threads in this same XDA forum).
I've finally been able to get someone at Asus to look into this and it's been sent to TW for review. I haven't heard anything back yet. I strongly recommend that other people who are annoyed by this (I find it tremendously distracting) to search on "asus escalation" which will bring up a special mailbox. Here is the link (although I do not know if the link will work for you). This should get looked at by someone with at least some ability beyond reading a script. If enough people do this, I think that they will fix it. Since you can temporarily override it by toggling smart saver on/off, it has to be fixable by software.
http://www.service.asus.com/#!escalation-mailbox/c1scx

derekk1 said:
There seems to be no way to disable this. Some believe it's the light sensor, but I've taped over mine with black electrical tape and tested and I don't see any difference in the behavior. Check our my Youtube video if you are a user who doesn't see the issue (look for threads in this same XDA forum).
I've finally been able to get someone at Asus to look into this and it's been sent to TW for review. I haven't heard anything back yet. I strongly recommend that other people who are annoyed by this (I find it tremendously distracting) to search on "asus escalation" which will bring up a special mailbox. Here is the link (although I do not know if the link will work for you). This should get looked at by someone with at least some ability beyond reading a script. If enough people do this, I think that they will fix it. Since you can temporarily override it by toggling smart saver on/off, it has to be fixable by software.
http://www.service.asus.com/#!escalation-mailbox/c1scx
Click to expand...
Click to collapse
I returned my tf701, waited for cyber Monday, and bought the Samsung note 2014 since the nexus 10 2 is so elusive. I put in an escalation request anyway and included a link to this thread in my complaint.

improvius said:
I suspect this is the same "smart dimming" feature that the 700 had.
Click to expand...
Click to collapse
I also saw this issue on my TF701. This seems a "feature" of Tegra SoC

MeMo Pad ME572c fluctuating brightness

Just picked up an ME572c and I'm very impressed for the price. However I have noticed the screen brightness levels keep fluctuating as if the light sensor is constantly detecting different light levels.
Has anyone else experienced this?

madgibbon said:
Just picked up an ME572c and I'm very impressed for the price. However I have noticed the screen brightness levels keep fluctuating as if the light sensor is constantly detecting different light levels.
Has anyone else experienced this?
Click to expand...
Click to collapse
Hi,
i notice this too, but that can be related to the power saving mode. Plz turn it off and check the settings in detail. Maybe that helps.
Further inside the developer options there is another option to configure the auto brightness.
You can change the behaviour from dynamic to immediately or slow mode and active an onscreen lux, gain and brightness value display.
Btw i am not satisfied with the auto control, as for my taste the brightness is still too low in a less lighted room. Sensor is reporting 0 lux already with a brightness of 14 which would be ok for a really dark room & night but not at daytime.
What is your experience?

I tried playing with power saving mode and the auto brightness controls in developer options. While I could reduce the fluctuations, I could eliminate them completely. Unfortunately I found it too distracting and returned the device earlier today. It's a shame as everything else was quite impressive for the money.

I also found the fluctuations annoying, my solution was to turn the auto-brightness off. Honestly I dislike auto-brightness on any device, it was also one of the first things I turned off on my laptop.

I am using Lux app now and raised minimum brightness at 0 lux. Thats ok for me now.

tycoo said:
Hi,
i notice this too, but that can be related to the power saving mode. Plz turn it off and check the settings in detail. Maybe that helps.
Further inside the developer options there is another option to configure the auto brightness.
You can change the behaviour from dynamic to immediately or slow mode and active an onscreen lux, gain and brightness value display.
Btw i am not satisfied with the auto control, as for my taste the brightness is still too low in a less lighted room. Sensor is reporting 0 lux already with a brightness of 14 which would be ok for a really dark room & night but not at daytime.
What is your experience?
Click to expand...
Click to collapse
Just bumping this to confirm this works and so that others can see. I used Developer options as well (before I found this post) and noticed the instant setting works best.

One more setting to also double check... Make sure that in developer options under auto brightness that you disable allow change gain...
Even with everything disabled it appears as if something still is changing the display. I particularly see it with something like a reddit browser when I'm viewing pictures. You click the pic, it loads and displays and then 1-2 seconds later the display adjusts based upon what is being displayed. Depending upon the picture it can be pretty annoying. I may have to root and start poking around to find out what is causing this.

with the lollipop update this issue is fixed for me.

Is lollipop really solve the problem?
muiriddin said:
with the lollipop update this issue is fixed for me.
Click to expand...
Click to collapse
Hello!
Im on lollipop, but the problem you had, still occur at me.
Did you noticed this problem, since you on lollipop?
I have the same problem. When i read, or browsing, the brightness changes in 2-3 steps.