The sharp panel code uses the backlight interface to
find a device, which fails when backlight is disabled:
drivers/built-in.o: In function `sharp_panel_probe':
:(.text+0x5ceac): undefined reference to `of_find_backlight_by_node'
Signed-off-by: Arnd Bergmann <arnd at 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 024e98ef8e4d..84506053a7ca 100644
--- a/drivers/gpu/drm/panel/Kconfig
+++ b/drivers/gpu/drm/panel/Kconfig
@@ -31,6 +31,7 @@ config DRM_PANEL_SHARP_LQ101R1SX01
tristate "Sharp LQ101R1SX01 panel"
depends on OF
depends on DRM_MIPI_DSI
+ depends on BACKLIGHT_CLASS_DEVICE
help
Say Y here if you want to enable support for Sharp LQ101R1SX01
TFT-LCD modules. The panel has a 2560x1600 resolution and uses
--
2.1.0.rc2
