[PATCH v2] leds: leds-gpio: adopt pinctrl support

[AnilKumar Ch <anilkumar-l0cyMroinI0@public.gmane.org>]

Adopt pinctrl support to leds-gpio driver based on leds-gpio
device pointer, pinctrl driver configure SoC pins to GPIO
mode according to definitions provided in .dts file.

Signed-off-by: AnilKumar Ch <anilkumar-l0cyMroinI0@public.gmane.org>
---
Changes from v1:
	- Seperated from "Add DT for AM33XX devices" patch series
	- Incorporated Tony's comments on v1
	  * Changed to warning message instead od error return

 drivers/leds/leds-gpio.c |    7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c
index c032b21..ad577f4 100644
--- a/drivers/leds/leds-gpio.c
+++ b/drivers/leds/leds-gpio.c
@@ -20,6 +20,7 @@
 #include <linux/slab.h>
 #include <linux/workqueue.h>
 #include <linux/module.h>
+#include <linux/pinctrl/consumer.h>
 
 struct gpio_led_data {
 	struct led_classdev cdev;
@@ -236,8 +237,14 @@ static int __devinit gpio_led_probe(struct platform_device *pdev)
 {
 	struct gpio_led_platform_data *pdata = pdev->dev.platform_data;
 	struct gpio_leds_priv *priv;
+	struct pinctrl *pinctrl;
 	int i, ret = 0;
 
+	pinctrl = devm_pinctrl_get_select_default(&pdev->dev);
+	if (IS_ERR(pinctrl))
+		dev_warn(&pdev->dev,
+			"pins are not configured from the driver\n");
+
 	if (pdata && pdata->num_leds) {
 		priv = devm_kzalloc(&pdev->dev,
 				sizeof_gpio_leds_priv(pdata->num_leds),
-- 
1.7.9.5