panel-dt: switch sel6-8-gpio to low in unprepare (4f570f56) · Commits · SECO Northern Europe / Kernel / linux-guf · GitLab

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Commit 4f570f56 authored 8 months ago by Dmitry Petrov Committed by Jonas Höppner 7 months ago

panel-dt: switch sel6-8-gpio to low in unprepare

There is an issue with a display showing artifacts after leaving the display
blank for some time. If sel6_8 line stays high during the power-off of the
display, the display gets side-powered by the sel6_8 line. And the power
sequence during the next power up does not reset the display in a good state.

So switch the sel6_8 gpio to low, when the VDD-LCD is powered of, and enable it
to the correct state, just before the VDD-LCD is powered on again.

parent c7b4ffc1

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mentioned in commit seco-ne/yocto/manifest@60d0f92d
· 7 months ago

mentioned in commit seco-ne/yocto/manifest@60d0f92d

mentioned in commit seco-ne/yocto/manifest@60d0f92da85442071de5399ed436b7c53e1c5f4e

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mentioned in merge request seco-ne/yocto/manifest!1910 (merged)
· 7 months ago

mentioned in merge request seco-ne/yocto/manifest!1910 (merged)

mentioned in merge request seco-ne/yocto/manifest!1910

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