From mboxrd@z Thu Jan 1 00:00:00 1970 From: arnd@arndb.de (Arnd Bergmann) Date: Wed, 28 Jan 2015 14:48:05 +0100 Subject: [PATCH 1/5] drm: panel/sharp: add backlight dependency In-Reply-To: <1422452889-415782-1-git-send-email-arnd@arndb.de> References: <1422452889-415782-1-git-send-email-arnd@arndb.de> Message-ID: <1422452889-415782-2-git-send-email-arnd@arndb.de> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 --- 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