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drm/panel: ld9040: Register a backlight device
authorPaul Cercueil <paul@crapouillou.net>
Sat, 8 Jul 2023 08:40:26 +0000 (10:40 +0200)
committerPaul Cercueil <paul@crapouillou.net>
Fri, 14 Jul 2023 08:12:06 +0000 (10:12 +0200)
commitc2268daa65fb415cfd463016ad54c20afef8f75e
tree6c2541a0b1aa5f0181ad9a357037f606e2a26b5f
parent50f600fd6b89af9f14248491090180b111e5e5f7
drm/panel: ld9040: Register a backlight device

Register a backlight device to be able to switch between all the gamma
levels.

v2: Remove .get_brightness() callback, use bl_get_data() and
    backlight_get_brightness()

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230708084027.18352-3-paul@crapouillou.net
drivers/gpu/drm/panel/panel-samsung-ld9040.c