Public bug reported:
SRU justification:
[Impact]
OLED backlight is not supported by the current kernel.
Sometimes the screen goes to black screen when enabled dpcd backlight support.
[Fix]
Fix max brightness value and enable dpcd to support adjusting brightness on
OLED.
Force enable backlight again to fix black screen issue.
[Test]
Verified on several laptops, backlight on and brightness is adjusted.
[Regression Potential]
Medium, change is limited to specific hardware feature.
Verified on no dpcd support laptops, no regression found yet.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1844798
Title:
[SRU][B/OEM-B/OEM-OSP1/D/E]UBUNTU: SAUCE: enable adjusting brightness
on some samsung OLED panels
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