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From: Arnd Bergmann <arnd@arndb.de>
To: "Noralf Trønnes" <noralf@tronnes.org>, "David Airlie" <airlied@linux.ie>
Cc: Arnd Bergmann <arnd@arndb.de>,
	David Lechner <david@lechnology.com>,
	Sean Paul <seanpaul@chromium.org>,
	dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: [PATCH] drm/tinydrm: add backlight dependency for ili9341
Date: Mon,  9 Jul 2018 17:20:29 +0200	[thread overview]
Message-ID: <20180709152106.990066-1-arnd@arndb.de> (raw)

This tinydrm driver fails to link without the backlight support:

drivers/gpu/drm/tinydrm/ili9341.o: In function `ili9341_probe':
ili9341.c:(.text+0x578): undefined reference to `devm_of_find_backlight'

Fixes: 3fa0e8f6f960 ("drm/tinydrm: new driver for ILI9341 display panels")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
 drivers/gpu/drm/tinydrm/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/tinydrm/Kconfig b/drivers/gpu/drm/tinydrm/Kconfig
index 7a8008b0783f..16f4b5c91f1b 100644
--- a/drivers/gpu/drm/tinydrm/Kconfig
+++ b/drivers/gpu/drm/tinydrm/Kconfig
@@ -23,6 +23,7 @@ config TINYDRM_ILI9225
 config TINYDRM_ILI9341
 	tristate "DRM support for ILI9341 display panels"
 	depends on DRM_TINYDRM && SPI
+	depends on BACKLIGHT_CLASS_DEVICE
 	select TINYDRM_MIPI_DBI
 	help
 	  DRM driver for the following Ilitek ILI9341 panels:
-- 
2.9.0


             reply	other threads:[~2018-07-09 15:22 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-09 15:20 Arnd Bergmann [this message]
2018-07-10 15:55 ` Noralf Trønnes
2018-07-10 16:12   ` David Lechner
2018-07-12 17:13 ` David Lechner

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