Feature Request : Power-management UI should include control for auto-brightness |
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Issue descriptionCrOS devices that have ambient light sensor (ALS) currently control both internal & keyboard (if avail) backlight levels automatically by default. If user however manually adjusts those brightness level the ALS control is disabled until the next boot. Issue created to discuss how we might allow user more flexibility to control this. One thought that comes to mind would be to simply pickup android-like UI where user can enable/disable 'adaptive backlight'. When enabled the slider becomes a scale while when disabled its simply the level.
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Oct 16 2017
dogfooders want a way to go back to automated control after manual adjustment.
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Oct 17 2017
(Adding UX.)
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Oct 25 2017
I really don't like auto-brightness and would like to have this setting as a way to permanently disable it on my device with an ALS. I always have it disabled on my phones and this would bring feature parity with android.
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Oct 25 2017
For what it's worth, auto-brightness essentially doesn't exist on any Chromebooks besides the Pixelbook. The one exception is that we jump from the default to full brightness when we think we're in direct sunlight. Docs at https://chromium.googlesource.com/chromiumos/platform2/+/master/power_manager/docs/screen_brightness.md (which should probably be updated to mention the Pixelbook behavior).
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Nov 3 2017
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Nov 13 2017
@derat do you know why we gave Eve different logic from other Chromebooks? I also find it very aggressive at changing the display backlight and wonder if we might just want to use the standard behavior. I'd prefer to find a good default behavior than add settings.
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Nov 13 2017
tbuckley@: The discussion is at http://b/38208252. Feel free to push back on it if you think it should be changed or disabled.
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Nov 15 2017
Pixelbook forum reference: Backlit Keyboard Poorly Illuminated (https://goo.gl/BdtGFM) And a somewhat related issue here I think: crbug.com/785010 - Backlight on pixel book keyboard pulses in certain light conditions #CBC-RS/TC-watchlist
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Nov 15 2017
#9: Eve keyboard auto brightness issues are tracked at http://b/65365452.
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Nov 15 2017
#10: okay, must be hidden/internal. Good to know they're being tracked, appreciate it.
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Mar 20 2018
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Mar 20 2018
Issue 810475 is requesting the same thing and has more discussion.
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Mar 20 2018
Issue 810475 has been merged into this issue.
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May 11 2018
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May 11 2018
Would be great if this could be ported to other Chromebooks, not only the pixel
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Jun 4 2018
(Bulk Edit) Adding the new conops Chrome OS hotlist to all open issues with the "#CBC-RS/TC-watchlist" tag, our former tracking tag. |
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Comment 1 by derat@chromium.org
, Oct 13 2017Components: OS>Kernel>Power