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drm/panel: add backlight dependency for sitronix-st7789v

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Without the dependency, we run into a link error:

drivers/gpu/drm/panel/panel-sitronix-st7789v.o: In function `st7789v_probe':
panel-sitronix-st7789v.c:(.text.st7789v_probe+0xc0): undefined reference to `of_find_backlight_by_node'

Fixes: 7142afb3a1 ("drm/panel: Add driver for sitronix ST7789V LCD controller")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Hoegeun Kwon <hoegeun.kwon@samsung.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170419180326.303994-1-arnd@arndb.de
This commit is contained in:
Arnd Bergmann 2017-04-19 20:03:08 +02:00 committed by Thierry Reding
parent 93023c1404
commit 2a49816821
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/panel/Kconfig
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@ -112,6 +112,7 @@ config DRM_PANEL_SHARP_LS043T1LE01
config DRM_PANEL_SITRONIX_ST7789V
tristate "Sitronix ST7789V panel"
depends on OF && SPI
depends on BACKLIGHT_CLASS_DEVICE
help
Say Y here if you want to enable support for the Sitronix
ST7789V controller for 240x320 LCD panels