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[1/5] drm: panel/sharp: add backlight dependency

Message ID 1422452889-415782-2-git-send-email-arnd@arndb.de (mailing list archive)
State Accepted
Headers show

Commit Message

Arnd Bergmann Jan. 28, 2015, 1:48 p.m. UTC
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@arndb.de>
---
 drivers/gpu/drm/panel/Kconfig | 1 +
 1 file changed, 1 insertion(+)
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Patch

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