From: Arun Bharadwaj <arun@gumstix.com>
Date: Thu, 16 Apr 2015 00:21:24 +0000 (-0700)
Subject: gpio-backlight: Discover driver during boot time
X-Git-Tag: firefly_0821_release~176^2~1586^2~5
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=4d866723d3e4f11b2e4b4f166f115f830bf5e481;p=firefly-linux-kernel-4.4.55.git

gpio-backlight: Discover driver during boot time

The gpio-backlight driver seems to be missing the
MODULE_DEVICE_TABLE line which is preventing it from
being modprobed during boot time even if the
gpio-backlight device exists.

This seems to be a bug and this patch attempts to
fix that.

Signed-off-by: Arun Bharadwaj <arun@gumstix.com>
Signed-off-by: Ash Charles <ashcharles@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
---

diff --git a/drivers/video/backlight/gpio_backlight.c b/drivers/video/backlight/gpio_backlight.c
index 439feb2389a8..5fbbc2ebdf93 100644
--- a/drivers/video/backlight/gpio_backlight.c
+++ b/drivers/video/backlight/gpio_backlight.c
@@ -146,6 +146,8 @@ static struct of_device_id gpio_backlight_of_match[] = {
 	{ .compatible = "gpio-backlight" },
 	{ /* sentinel */ }
 };
+
+MODULE_DEVICE_TABLE(of, gpio_backlight_of_match);
 #endif
 
 static struct platform_driver gpio_backlight_driver = {