Since I flashed the leedroid rom, automatic brightness doesn't work too well. The display is always very dark...even if I go in the sun, the brightness doesn't go maximum. If I manually set it to maximum, then I can tell the difference with the automatic brightness level which is much darker (around 40% brightness level).
No matter what rom I use (I flashed today ultimate droid, revolution HD, miui)....with everyrom the same thing. The sensor is not dirty, I thought maybe it doesn't get too much light so the phone doesn't recognize how bright is the environment but yeah...it doesn't really look right to me.
Before every rom I always to a full wipe through clockwork recovery....what can I check ?
Use app "sensor list" or the the lux (brightness) on "gps status" to check if your sensor is actually working. The values should change between:
10-40-90-160-225-320-640-1280-2600-10240
They may skip some values going through the range, and maybe take a few seconds for the values to change or register on your display.
Use a torch to gradually shine over the sensor, so you can see the autobrightness change along with the lux reading.
Sent from my Desire HD using XDA App
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Hi!
I wonder if there is a way to lower the backlight levels on auto adjust (or increase for those who think its still not bright enough). Point is I think having the backlight on generally lower levels will naturally increase battery life. I know I can change the the brightness to a fixed level that suits me - but that would just be right for the current situation. I still want it to adjust to different lighting situations. Ideas?
It would be nice if it was possible to change how dim the backlight gets on total darkness and how bright it gets on your average sunny day.
I've been messing around with the reg to see if I could find max and min values but I can only change manual settings, not auto mode using the light sensor.
One note though: The sensor itself uses battery to measure ambient light. That being said, if you spend most of the day under a constant light source (say an office) manually dimming the device should consume less energy since the sensor is not doing much good for you anyway.
I guess it's not your case. I had this app on my Cruise to change backlight intensity. never used until now. it works on leo (running 1.48 but that should not matter) and changes backlight in 25% increments. You can copy a shortcut to the startmenu and add a quick link to your home tab or map it to a hard or soft button somehow.
I wold really like to know how to change max and min levels on auto backlight.
Try Lumos - it's a backlight replacement that allows you to customise how you want your auto backlight to work, ie. what the minimum/maximum brightness is, how fast the backlight changes, etc.
http://forum.xda-developers.com/showthread.php?t=450318
Seems to work fine. Still some tunning to do. Thanks!
I'm using Lumos now and it works great! Simple to set up and easy to customize. Thanks for the hint!
lumos is great but I found it was draining the battery quite fast on the leo.
Admittedly I was using it with the wm6.5 Check for active programme only setting. I never tested it to see if it worked without checking that box.
As far as I can tell by now the batterylife appears to be rather better than before. I haven't put in any application exceptions and didn't check the one checkbox in the settings tab. I also use a custom curve where the backlight stays at 30% until the sensor hits about 400 (30% is plenty in my opinion and still brighter than my friend's iphone in normal light condition inside).
you should try AutoLight http://forum.xda-developers.com/showthread.php?t=548402
it works fine on Leo
Hi guys
Which preference do you use? Is automatic brightness option best for battery saving?
i remember it was an official battery saving tip for iPhone and wondered if it's the case for N1.
eh, just keep it on the lowest brightness... thats the best bet
the problem with auto-brightness is that it fluctuates a bit too much if you're in a room with localised lights and shadows... even in a seemingly bright area to your eyes, the display will go to lowest brightness... i just found it personally annoying, as it would usually fluctuate when i wasn't expecting, and to a lower brightness than i could stand... i've since stopped using it... i set my brightness manually to about 25%... for me that's a good balance between a usuable brightness for all conditions, while still giving good battery life...
I use auto brightness with locale which toggles it on and off based on my location. But even before I did that I really didn't notice to much of a difference in battery levels at the end of the day.
I just wish there were min and max settings for auto brightness. Cause I am pretty sure I have never needed the brightness turned all the way up.
i prefer auto brightness if it works. my 1st N1 had a glitch where the screen brightness used to flicker. on my 2nd N1 the auto brightness does not adjust on full scale........(if you go into 100% dark room, the brightness setting must automatically drop to 0)
I too found that the auto-brightness flickered too much. I downloaded Brightness Level off the marketplace and never looked back...
Auto-brightness fluctuates too much for my liking. So, I just keep it set to middle brightness.
the light sensor is unstable, so manually 25% all the time..
Auto brightness too dark
In my Nexus autobrightness works ok outdoors, but indoors it sets the light too dark. I wish it`d work fine because it's a waste of time adjusting it manually every time you move into different light conditions.
I've read Nexus users report different behaviours of their light sensors, maybe it is a bad quality component of the phone. Is there an app which can modify the sensibility of the light sensor? Would be great to adjust this sensibility and set brightness always to auto with a little more brightness indoors in my case.
manual, 25% - the best balance of battery and light for me.
i use about 60%. I hated the automatic brightness because it was darker than I would like most of the time.
My position is, I bought a phone that has a high resolution, so why not give it the brightness to make the color "pop" like they should.
Even on the dimmest settings, the Vibrant is too bright for me in bed, where the light disturbs my wife.
It seems that, with root, you can lower the brightness further - at least on other phones. Is there any way to do this with the Vibrant?
Thanks!
The "Dimmer" app will toggle it from your current brightness down to 10 but if you find something that will go lower let me know.
It has an automatic brightness control based on input from the sensor. You may need to disable this in the settings too, but I would think it would be automatically dimming itself already in a dark room.
Dallasalien said:
It has an automatic brightness control based on input from the sensor. You may need to disable this in the settings too, but I would think it would be automatically dimming itself already in a dark room.
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Right, but that doesn't get dim enough in some situations and the minimum brightness you can select manually is 30. "Dimmer" will take it all the way to 10 but I would like to see something that would take it to 1 or 2.
I agree. It's too bright in low light situations.
If you find a solution please post it.
Try the Screen Filter App from the market. You can get UNBELIEVABLY low brightness. Which means much better battery.
+1 on screen filter. New version now dims taskbar too.
Is it just me or does everyone's Epic's have terrible brightness sensor hardware/software? My sensor seems to have about 2-3 settings of brightness, and goes from completely dim to super bright in random situations and nothing in between.
Cyanogen just posted on his twitter that in the past he changed the sensor's abilities through coding modifications. Could we do something of the sort for the Epic's sensor?
Agreed. The sensor is horrible. Also, the transition between brightness settings when set to automatic is near instant instead of slowly transitioning, which makes it more obvious that its changing brightness.
I would agree that it is terrible. Mine also send to sometimes turn auto brightness back on if I've turned it off.
It would be great if someone found a way to mod the code for it!
Sent from my SPH-D700 using XDA App
I thought the screen was just too bright at its lowest setting. Fortunately someone came up with a fix for it that can be found in the developer section. As far as the automatic sensor I would suggest turning off "Power Saving Mode" in the Settings>Sound & Display as well. I've read somewhere that this causes the brightness level to vary on its own.
cfiblc said:
I thought the screen was just too bright at its lowest setting. Fortunately someone came up with a fix for it that can be found in the developer section.
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Hehe, that was me. Stay tuned for more. I have coded up and will post, tonight, a new version that will let you modify the brightness curve (from the command line, for now)
As for automatic mode, I have figured out how to modify some aspects of it at the kernel level, such as the ambient light thresholds at which it switches to a different brightness level. By modifying the brightness curve, we can achieve at least some more control. But to make it really good may be significantly harder.
Personally, since manual brightness is always available by swiping horizontally on the status bar, I have little desire to use auto mode anyway.
- linuxuberant
The sensor is actually pretty sensitive. It's just that Samsung chose to have a really small range of brightness steps for automatic brightness.
Firon said:
The sensor is actually pretty sensitive. It's just that Samsung chose to have a really small range of brightness steps for automatic brightness.
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More like they installed an awesome dimmer switch and lights, but the fixture only does three modes; high, medium, and still pretty damn bright.
Here's my dilemma... I like saving battery by setting my brightness level lower than the automatic setting (since the screen still looks great anyway), but I would like it if I didn't have to go into my settings manually to change the brightness level so that I can see the screen when in direct sunlight. Is there any way someone could develop a mod to have the automatic brightness, but about 20% dimmer? I don't know if it's possible, but it would be pretty awesome.
Sent from my HTC Glacier, powered by a flux capacitor.
geoffott said:
Here's my dilemma... I like saving battery by setting my brightness level lower than the automatic setting (since the screen still looks great anyway), but I would like it if I didn't have to go into my settings manually to change the brightness level so that I can see the screen when in direct sunlight. Is there any way someone could develop a mod to have the automatic brightness, but about 20% dimmer? I don't know if it's possible, but it would be pretty awesome.
Sent from my HTC Glacier, powered by a flux capacitor.
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Click to collapse
I have my screen set pretty dim, and use the Power widget to crank up the brightness if I go outside.
You can also you the "Screen Filter' app to make the screen x% darker than the current setting. (which even allows you to make it darker than the dimmest brightness settting, which is really nice on the batteries.)
- Frank
geoffott said:
Here's my dilemma... I like saving battery by setting my brightness level lower than the automatic setting (since the screen still looks great anyway), but I would like it if I didn't have to go into my settings manually to change the brightness level so that I can see the screen when in direct sunlight. Is there any way someone could develop a mod to have the automatic brightness, but about 20% dimmer? I don't know if it's possible, but it would be pretty awesome.
Sent from my HTC Glacier, powered by a flux capacitor.
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Click to collapse
I am current searching for the same thing.
temp solution is to Market > Dimmer (night mode) by geekyouup
It toggles auto brightness and sets back light to min. when on. click once, screen goes super dark, click it again, auto brightness take over. handy. (put it up to status bar w/ bar control and you can get to it when ever)
Problem with auto brightness right now is at it's lowest setting, the back light is still at about 25%. there is gotta be a way to change that in the settings.apk
or better yet, have an option to set your own ambient light to lcd brightness ratio for the auto brightness
option to set own ambient light ratio?
sleepyfu said:
there is gotta be a way to change that in the settings.apk
or better yet, have an option to set your own ambient light to lcd brightness ratio for the auto brightness
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I'm search for this also. I believe you can adjust this in CM7 but is there is a way to do this that is not ROM specific? I'm currently using RoyalGlacier with Faux123 kernel and I find the auto brightness setting for dim ambient to be too bright and the bright ambient to be not bright enough.