drm/tilcd: select BACKLIGHT_LCD_SUPPORT

The dependecies for BACKLIGHT_CLASS_DEVICE are defined a bit
strange, but it seems one has to always select both BACKLIGHT_CLASS_DEVICE
and BACKLIGHT_LCD_SUPPORT to avoid this error:

drivers/gpu/drm/tilcdc/tilcdc_panel.c:396:
 undefined reference to `of_find_backlight_by_node'

Cc: Rob Clark <[email protected]>
Cc: [email protected]
Cc: Dave Airlie <[email protected]>
Signed-off-by: Arnd Bergmann <[email protected]>
Signed-off-by: Dave Airlie <[email protected]>

diff --git a/drivers/gpu/drm/tilcdc/Kconfig b/drivers/gpu/drm/tilcdc/Kconfig
index e461e99724552f96014581f81f191df8baed89ef..7a4d10106906e92e91e75763e0d96b07557bfbff 100644 (file)
--- a/drivers/gpu/drm/tilcdc/Kconfig
+++ b/drivers/gpu/drm/tilcdc/Kconfig
@@ -6,6 +6,7 @@ config DRM_TILCDC
        select DRM_GEM_CMA_HELPER
        select VIDEOMODE_HELPERS
        select BACKLIGHT_CLASS_DEVICE
+       select BACKLIGHT_LCD_SUPPORT
        help
          Choose this option if you have an TI SoC with LCDC display
          controller, for example AM33xx in beagle-bone, DA8xx, or