linux-kernel - [PATCH] drm/panel: st7789v: Add a dependency on the backlight framework

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Message-Id: <20170530210136.10556-1-maxime.ripard@free-electrons.com>
Date:   Tue, 30 May 2017 23:01:36 +0200
From:   Maxime Ripard <maxime.ripard@...e-electrons.com>
To:     Thierry Reding <thierry.reding@...il.com>,
        Daniel Vetter <daniel.vetter@...el.com>,
        David Airlie <airlied@...ux.ie>
Cc:     dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        Maxime Ripard <maxime.ripard@...e-electrons.com>
Subject: [PATCH] drm/panel: st7789v: Add a dependency on the backlight framework

The driver depends on the backlight functions, but we have no dependency
on it in Kconfig. Add this dependency to avoid breakages.

Signed-off-by: Maxime Ripard <maxime.ripard@...e-electrons.com>
---
 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 3e29a9903303..ab40d0fbd457 100644
--- a/drivers/gpu/drm/panel/Kconfig
+++ b/drivers/gpu/drm/panel/Kconfig
@@ -100,6 +100,7 @@ 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
-- 
2.9.4