linux-kernel - [PATCH] backlight: platform-lcd: Add support for device tree based probe

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Date:	Fri, 21 Sep 2012 10:27:07 +0900
From:	Jingoo Han <jg1.han@...sung.com>
To:	'Andrew Morton' <akpm@...ux-foundation.org>,
	'LKML' <linux-kernel@...r.kernel.org>
Cc:	'Richard Purdie' <rpurdie@...ys.net>,
	'Jingoo Han' <jg1.han@...sung.com>
Subject: [PATCH] backlight: platform-lcd: Add support for device tree based
 probe

This patch adds the of_match_table to platform-lcd driver to be
probed when platform-lcd device node is found in the device tree.

Cc: Richard Purdie <rpurdie@...ys.net>
Signed-off-by: Jingoo Han <jg1.han@...sung.com>
---
 drivers/video/backlight/platform_lcd.c |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/drivers/video/backlight/platform_lcd.c b/drivers/video/backlight/platform_lcd.c
index b667234..574d5ee 100644
--- a/drivers/video/backlight/platform_lcd.c
+++ b/drivers/video/backlight/platform_lcd.c
@@ -145,6 +145,14 @@ static SIMPLE_DEV_PM_OPS(platform_lcd_pm_ops, platform_lcd_suspend,
 			platform_lcd_resume);
 #endif
 
+#ifdef CONFIG_OF
+static const struct of_device_id platform_lcd_of_match[] = {
+	{ .compatible = "platform-lcd" },
+	{},
+};
+MODULE_DEVICE_TABLE(of, platform_lcd_of_match);
+#endif
+
 static struct platform_driver platform_lcd_driver = {
 	.driver		= {
 		.name	= "platform-lcd",
@@ -152,6 +160,7 @@ static struct platform_driver platform_lcd_driver = {
 #ifdef CONFIG_PM
 		.pm	= &platform_lcd_pm_ops,
 #endif
+		.of_match_table = of_match_ptr(platform_lcd_of_match),
 	},
 	.probe		= platform_lcd_probe,
 	.remove		= __devexit_p(platform_lcd_remove),
-- 
1.7.1


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