Ambient light sensor - AT&T Samsung Galaxy S II Skyrocket SGH-I727

Anyone having issues with auto brightness not functioning correctly? Many times ill notice it seems pretty bright for such a dark room. Fiddle with the brightness slider and then click auto and it's back to correct auto brightness. Happens on all jb roms I've used. Forget if I had this issue with gb and ics
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Mine is working fine on blinkys revenge haven't had any issues I would check into wipe cache and dalvik see if it Phelps
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Default values are too bright for me, adjusted them down to a reasonable level. (on CM10)

Hey guys again, I found a bit more information on this problem. Noticed while I was in bed with phone and it on auto brightness, when I turn screen on, it "recalculates" and even though it's a pitch black room, gives me maybe 30% more light? When I toggle brightness in my power widget through and back to auto it corrects and goes to lowest brightness. Any thoughts?
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Mine works, but I had to tweak the default settings. By default, it only checks the ambient light sensor when you unlock the screen. I changed it to periodically sample so that it dims/brightens as the screen is on but ambient lights changes (e.g. Turning off bedside lamp).
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Where exactly did you go to do that?
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Don't remember everything, but here's my Settings/Display/AutomaticBacklight that I think are involved:
Enabled: checked
Window: 5s
Reset threshold: disabled
Sample interval: 1s
...
Allow light decrease: checked
...
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Thanks for the info I've looked into and I will give it a wirl...
Thanks
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Related

Auto screen brightness

Is anyone else having issues with the auto screen brightness? I'm in bed now with all the lights off and my screen is at it's brightest. As far as I can remember, the screen has never gone dim for me. I have always had to do it manually.
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allen2oo3 said:
Is anyone else having issues with the auto screen brightness? I'm in bed now with all the lights off and my screen is at it's brightest. As far as I can remember, the screen has never gone dim for me. I have always had to do it manually.
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Same problem here.
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Mine seems to work. I always thought it worked based on where the bar is set prior to the checkmark.
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I use Quick Settings to adjust the brightness. The auto on this phone definitely isn't working correctly.
Mine works just fine. Dim when it's bright around me, bright when it's dark around me.
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I feel like mine does change some, but it never seems like it's a really accurate change to the condition... or maybe I just think it does, hmm.
want a droid said:
Mine works just fine. Dim when it's bright around me, bright when it's dark around me.
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That's backwards. You want the brightness down when it's dark, because less light is needed to see the screen, and up when it's light, because more brightness is needed to see the screen.
I as well have had issues with the auto brightness. It never seems to change. I manually set it, or leverage a widget.
Mine works but it adjusts too frequently. It was annoying to see it going brighter and dimmer every minute or two so I tuned it off and use a widget.
Thanks, Robrecht
funkybside said:
That's backwards. You want the brightness down when it's dark, because less light is needed to see the screen, and up when it's light, because more brightness is needed to see the screen.
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I believe it was a joke.
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Glad to see I'm not crazy and imagining things. Very surprised at how many little quirks HTC let slip by on the thunderbolt.
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I have always disliked auto-brightness. At night when I'm reading a book in bed, it is just way too bright at the lowest auto-bright setting. Though it was nice to automatically brighten up when I'm outside. Now days, I just stick an Android power control on the home screen and manage it myself. 0% for when I'm in bed reading books, 30% for normal every day use, 100% for when I'm outside. It seems to help the battery quite a bit too.
Its best to adjust it manually anyways... Just add a widget on your home screen lolz
What's best is not always whats preferred. It's little things like auto not working that make me miss my cyanogen'd droid 1
eallan said:
I believe it was a joke.
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jab818 said:
What's best is not always whats preferred. It's little things like auto not working that make me miss my cyanogen'd droid 1
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Same, but I came from a CM Eris

What is the auto brightness setting for or good for???

What is the auto brightness setting for or good for???
I used a few times it made my phone reboot. Also it my phone unresponsive, I had to pull the battery and reboot.
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I run on auto brightness 98% of the time, and I haven't had any reboots due to it. Are you certain it's the auto brightness feature? Are you overclocked?
All stock here.
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Unlikely the autobrightness would cause your phone to reboot.
most likely if turning that option on ONLY and he starts to crash.. maybe its a faulty sensor? Replacement?

Auto brightness

Auto bright
Battery killer or good for battery?
Turn it off and leave at lowest brightness.
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kvswim said:
Turn it off and leave at lowest brightness.
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Unless you go outside.
Juice Defender Ultimate has some brightness settings that let you tune the auto brightness. You can get it a lot darker than you normally can, and change the way it ramps up and down.
I mainly use it as a way to keep the phone from blinding me in the car or desk dock at night and still letting itself ramp to full brightness in sunlight.
As long as you live under a rock, minimum brightness should work. If you do go outside, either use the power widget to quickly change settings or just use auto. i personally like auto.
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And don't forget on manual brightness you can change brightness just by sliding your finger across the top.
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kvswim said:
And don't forget on manual brightness you can change brightness just by sliding your finger across the top.
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Lol,I forgot about that handy little tool. I been chewing my kids out cuz they kept turning it up when i let em play on it.ot so I thought.
I had much more luck just long pressing the notification bar where I want the brightness. Swiping it gave mixed results.
Farabomb said:
I had much more luck just long pressing the notification bar where I want the brightness. Swiping it gave mixed results.
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That's a nice trick! Thanks. I had problems with the brightness not changing reliably when swiping. (User error no doubt)
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G2X Light sensor

Trying to set custom screen brightness values,but the light sensor seems undetectable to apps like Sensor List and Brightness Root. Also, custom values do not seem too change anything in the MIUI settings.
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gwhobbs said:
Trying to set custom screen brightness values,but the light sensor seems undetectable to apps like Sensor List and Brightness Root. Also, custom values do not seem too change anything in the MIUI settings.
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The light sensor on our phones are non standard. So it can only be controlled by the ROM and can't be changed.
The fact that it's even working is a bit of a miracle itself.
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Shoot...
Thanks for the quick reply.
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So are there any ROMS that allow custom values on the g2x?
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In CM7.2 you can set your brightness in increments of 10 through the status bar brightness control.
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Your brightness settings

What do you use for brightness. Auto? Full? 50%? Share!
Full looks best but image burn could be an issue with IPS displays..
Auto I feel like it jumps around too much depending on your lighting situation
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imablackhat said:
What do you use for brightness. Auto? Full? 50%? Share!
Full looks best but image burn could be an issue with IPS displays..
Auto I feel like it jumps around too much depending on your lighting situation
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Seems as though this thread should be in General Discussion.
At any rate, I usually steer towards Auto Brightness. On my Nexus 5, auto works just fine. Roughly 65% looks good to me and that's where mine usually stays with auto.
Why not add a Poll?
I never use Auto. Currently set to ~50%
Most of the time I'm almost at the minimum (indoors) and use Lux to adjust the brightness to a fixed level when I'm outside.
Can't add a poll :/ idk how to be honest. I tried editing the post on the website. Still nothing.
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