drm/panel: s6e63m0: Implement 28 backlight levels

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A later version of the s6e63m0 driver in the Samsung
GT-I9070 vendor tree provides 28 different backlight
levels making use of elaborate control of the ACL
and ELVSS regulator. Implement this more fine-grained
backlight control.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Guido Günther <agx@sigxcpu.org>
Cc: Stephan Gerhold <stephan@gerhold.net>
Cc: Paweł Chmiel <pawel.mikolaj.chmiel@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201117175621.870085-2-linus.walleij@linaro.org

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Linus Walleij 2020-11-17 18:56:20 +01:00

parent c8917fd74f

commit 9c3f0a0dd6

1 changed files with 257 additions and 53 deletions

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308

drivers/gpu/drm/panel/panel-samsung-s6e63m0.c

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