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c68f78ae1d
Depending on which display that is connected to the controller, an "1"
means either a black or a white pixel.
The supported format (R1) expects the pixels to map against:
0 => Black
1 => White
If this is not what the display map against, the controller has support
to invert these values.
Signed-off-by: Marcus Folkesson <marcus.folkesson@gmail.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://lore.kernel.org/r/20250721-st7571-format-v2-3-159f4134098c@gmail.com
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>