Messages in this thread Patch in this message | | | From | Arnd Bergmann <> | Subject | [PATCH 3/3] drm/panel: add backlight dependency for sitronix-st7789v | Date | Wed, 19 Apr 2017 20:03:08 +0200 |
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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: 7142afb3a186 ("drm/panel: Add driver for sitronix ST7789V LCD controller") Signed-off-by: Arnd Bergmann <arnd@arndb.de> --- drivers/gpu/drm/panel/Kconfig | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig index 6eb9774284df..04d068177e16 100644 --- a/drivers/gpu/drm/panel/Kconfig +++ b/drivers/gpu/drm/panel/Kconfig @@ -101,6 +101,7 @@ 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 -- 2.9.0
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