From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnd Bergmann Subject: [PATCH 3/3] drm/panel: add backlight dependency for sitronix-st7789v Date: Wed, 19 Apr 2017 20:03:08 +0200 Message-ID: <20170419180326.303994-1-arnd@arndb.de> References: <20170419175939.189098-2-arnd@arndb.de> Return-path: In-Reply-To: <20170419175939.189098-2-arnd@arndb.de> Sender: linux-kernel-owner@vger.kernel.org To: Thierry Reding , David Airlie Cc: Arnd Bergmann , Donghwa Lee , Hoegeun Kwon , Laurent Pinchart , Maxime Ripard , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org List-Id: dri-devel@lists.freedesktop.org Without the dependency, we run into a link error: drivers/gpu/drm/panel/panel-sitronix-st7789v.o: In function `st7789v_probe': panel-sitronix-st7789v.c:(.text.st7789v_probe+0xc0): undefined reference to `of_find_backlight_by_node' Fixes: 7142afb3a186 ("drm/panel: Add driver for sitronix ST7789V LCD controller") 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 6eb9774284df..04d068177e16 100644 --- a/drivers/gpu/drm/panel/Kconfig +++ b/drivers/gpu/drm/panel/Kconfig @@ -101,6 +101,7 @@ config DRM_PANEL_SHARP_LS043T1LE01 config DRM_PANEL_SITRONIX_ST7789V tristate "Sitronix ST7789V panel" depends on OF && SPI + depends on BACKLIGHT_CLASS_DEVICE help Say Y here if you want to enable support for the Sitronix ST7789V controller for 240x320 LCD panels -- 2.9.0