Support and General Use > Hardware

Rockboxed Sansa Clip+ screen glitches

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bertrik:
I just committed a possible fix, to properly reset the display controller at bootup. Can you try the current build?

kazekage:
Hello. Thank you for looking into this issue. I've installed rockbox current build dated 20.03.12 via RockboxUtility, however i'm still experiencing similar screen artifacts. Sometimes it boots fine several times in a row, then after some random power-on screen becomes buggy and often remains like that several times i turn it on after that.

kazekage:
Hello again. Tested current build for a few days and eventually all issues disappered. I haven't seen any glitches like mentioned above for the past week. I have no idea what caused this behavior. Bertrik, thank you once again for helping me out.

bertrik:
Besides the display reset fix, nothing was changed in the display driver recently.
I guess your player just dried out more thoroughly now :)

In theory, the clipv1, clipv2, clip+ display variant 0 and clip+ display variant 1 all could have different initialisation sequences, with for example different transfer speeds and resulting sensitivities to disturbance like moisture/contamination.
In practice, we initialise the clip+ display with the same setting that the clipv1 uses, with some special cases for the display that is in some clip+ players.

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