[PATCH v5 4/4] drm/tinydrm: select BACKLIGHT_LCD_SUPPORT, BACKLIGHT_CLASS_DEVICE

[Meghana Madhyastha]

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 at gmail.com>
---
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