This bug was fixed in the package linux-oem - 4.15.0-1059.68
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linux-oem (4.15.0-1059.68) bionic; urgency=medium
* bionic/linux-oem: 4.15.0-1059.68 -proposed tracker (LP: #1847801)
* Fix non-working Realtek USB ethernet after system resume (LP: #1847063)
- r8152: remove extra action copying ethernet address
- r8152: Refresh MAC address during USBDEVFS_RESET
- r8152: Set macpassthru in reset_resume callback
* [CML-U] Comet lake platform need ISH driver support (LP: #1843775)
- HID: intel-ish-hid: Add Comet Lake PCI device ID
* [SRU][OEM-B]UBUNTU: SAUCE: enable adjusting brightness on some samsung OLED
panels (LP: #1844798)
- SAUCE: i915: intel_dp_aux_backlight: Fix max backlight calculations
- SAUCE: drm/i915: customize DPCD brightness control for specific panel
-- Timo Aaltonen <timo.aalto...@canonical.com> Fri, 11 Oct 2019
20:54:45 +0300
** Changed in: linux-oem (Ubuntu)
Status: Confirmed => Fix Released
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https://bugs.launchpad.net/bugs/1844798
Title:
[SRU][OEM-B]UBUNTU: SAUCE: enable adjusting brightness on some samsung
OLED panels
Status in OEM Priority Project:
New
Status in linux-oem package in Ubuntu:
Fix Released
Status in linux-oem source package in Bionic:
Fix Released
Bug description:
SRU justification:
[Impact]
OLED backlight is not supported by the current kernel.
brightness can't be adjusted.
[Fix]
Fix max brightness value;
Follow samsung panel's spec to enable dpcd and
support adjusting brightness on OLED.
[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.
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