Add select BACKLIGHT_LCD_SUPPORT, BACKLIGHT_CLASS_DEVICE to the Kconfig of drm. This is required for the successful build of drm_of_find_backlight helpers. Signed-off-by: Meghana Madhyastha <meghana.madhyastha@xxxxxxxxx> --- Changes in v5: -This commit was not present in v4. Selecting BACKLIGHT_LCD_SUPPORT, BACKLIGHT_CLASS_DEVICE in the Kconfig file under the symbol DRM seems to fix the Kbuild error drm_of.c:(.text+0x3bc): undefined reference to `of_find_backlight_by_node'. drivers/gpu/drm/Kconfig | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig index 83cb2a8..3ba5632 100644 --- a/drivers/gpu/drm/Kconfig +++ b/drivers/gpu/drm/Kconfig @@ -7,6 +7,8 @@ menuconfig DRM tristate "Direct Rendering Manager (XFree86 4.1.0 and higher DRI support)" depends on (AGP || AGP=n) && !EMULATED_CMPXCHG && HAS_DMA + select BACKLIGHT_LCD_SUPPORT + select BACKLIGHT_CLASS_DEVICE select HDMI select FB_CMDLINE select I2C -- 2.7.4 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
