[Backport v3.7-branch] drivers: display: stm32_ltdc: fix return value #80705
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Blanking On/Off calls should not return 0 when there is no panel controller to forward them to, instead they should return ENOSYS to signal to the application that they were not actually executed. "device_is_ready" does check for null, but also for "dev->state->initialized == false", so we need to isolate the "dev == NULL" case. Signed-off-by: Abderrahmane Jarmouni <git@jarmouni.me> (cherry picked from commit f7de44d)
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Fixes #75265 |
@JarmouniA you need to place the text |
@danieldegrasse I'm unable to edit the PR's description. |
Ah ok, I went ahead and updated it for you :) |
danieldegrasse
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Oct 31, 2024
henrikbrixandersen
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Nov 4, 2024
aescolar
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erwango
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Backport f7de44d from #77950.
Fixes: #75265