Meghana Madhyastha 9949b355dc drm/Documentation: Refine TODO for backlight helpers in tinydrm
Add a summary which resulted from discussions on what should
be done to refactor backlight helpers in tinydrm so that
they can be used in other drivers as well.

Signed-off-by: Meghana Madhyastha <meghana.madhyastha@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20170927105116.GA30391@meghana-HP-Pavilion-Notebook
2017-09-27 14:31:07 +02:00
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