From bc882f5d5c7b4d6ed5e927bf838863af43c786e7 Mon Sep 17 00:00:00 2001
From: Patrick Bruenn <p.bruenn@beckhoff.com>
Date: Wed, 11 Apr 2018 11:16:28 +0200
Subject: dm: led: auto probe() LEDs with "default-state"

To avoid board specificy LED activation code, automatically
activate gpio-leds with "default-state" property during bind().

Signed-off-by: Patrick Bruenn <p.bruenn@beckhoff.com>
---
 drivers/led/led_gpio.c | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'drivers/led')

diff --git a/drivers/led/led_gpio.c b/drivers/led/led_gpio.c
index 533587d..a36942b 100644
--- a/drivers/led/led_gpio.c
+++ b/drivers/led/led_gpio.c
@@ -10,6 +10,7 @@
 #include <led.h>
 #include <asm/gpio.h>
 #include <dm/lists.h>
+#include <dm/uclass-internal.h>
 
 struct led_gpio_priv {
 	struct gpio_desc gpio;
@@ -117,6 +118,14 @@ static int led_gpio_bind(struct udevice *parent)
 			return ret;
 		uc_plat = dev_get_uclass_platdata(dev);
 		uc_plat->label = label;
+
+		if (ofnode_read_bool(node, "default-state")) {
+			struct udevice *devp;
+
+			ret = uclass_get_device_tail(dev, 0, &devp);
+			if (ret)
+				return ret;
+		}
 	}
 
 	return 0;
-- 
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