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Yeah, I saw ro.lcd_min_brightness is set to 20 so I changed it to 10/1Ah ok, I will try this.
The display brightness is set to 20% as minimum value.
with no effect on each.
both
settings get system screen_brightness
cat /sys/class/backlight/panel/brightness
shows 30 not 20
with default settings and with changes to ro.lcd_min_brightness
both echo 10/1 > /sys/class/backlight/panel/brightness and
settings put system screen_brightness 10/1 don't work
autobrightness is off with brightness level showing 0 % in settings
maybe limitation of driver/panel? I'll have to dig around to see what Samsung defaults are.
reason for all this is that - if you use the brightness slider, there's isn't very noticeable difference until you're at 40% so 20% is same as 0%.
I also added qemu.hw.mainkeys=0 to build.prop so I can get gesture navigation for easier one-handed use.
Works decently even with physical/capacitve buttons
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