ACK: [SRU][R:linux-raspi][PATCH 0/1] Fix edatec-panel-regulator backlight power state restoration

[Hui Wang]

Acked-by: Hui Wang <hui.wang at canonical.com>

On 7/2/26 08:36, Yufeng Gao via kernel-team wrote:
> BugLink: https://bugs.launchpad.net/bugs/2158944
>
> SRU Justification
>
> [Impact]
>
> When EDATEC Pi CM5 devices with 7-inch screens resume from screen off, a white glow
> appears around the screen for around 5 seconds before disappearing. EDATEC determined
> this to be caused by a backlight power state restoration bug.
>
> [Fix]
>
> Pull the fix from upstream Raspberry Pi tree (rpi-7.0.y branch):
>    - 25a3352a71be3 regulator: edatec-panel-regulator: Fix backlight power state restoration
>
> [Test Plan]
>
> * Compile tested
> * Boot tested
> * No impacts to existing features found
>
> Install the built packages and the correct config.txt, reboot the machine and the 7"
> display should no longer display a white glow when the screen lights up.
>
> [Regression potential]
>
> Relatively low, as change is a bug fix from upstream.
>
> FrankLeeEDA (1):
>    regulator: edatec-panel-regulator: Fix backlight power state
>      restoration
>
>   drivers/regulator/edatec-panel-regulator.c | 6 +++++-
>   1 file changed, 5 insertions(+), 1 deletion(-)
>