1 files changed, 24 insertions, 7 deletions

diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c
index 6d94b0b9979c..26843dd6b859 100644
--- a/drivers/leds/leds-gpio.c
+++ b/drivers/leds/leds-gpio.c
@@ -26,7 +26,8 @@ struct gpio_led_data {
         u8 new_level;
         u8 can_sleep;
         u8 active_low;
-        int (*platform_gpio_blink_set)(unsigned gpio,
+        u8 blinking;
+        int (*platform_gpio_blink_set)(unsigned gpio, int state,
                         unsigned long *delay_on, unsigned long *delay_off);
 };
 
@@ -35,7 +36,13 @@ static void gpio_led_work(struct work_struct *work)
         struct gpio_led_data    *led_dat =
                 container_of(work, struct gpio_led_data, work);
 
-        gpio_set_value_cansleep(led_dat->gpio, led_dat->new_level);
+        if (led_dat->blinking) {
+                led_dat->platform_gpio_blink_set(led_dat->gpio,
+                                                 led_dat->new_level,
+                                                 NULL, NULL);
+                led_dat->blinking = 0;
+        } else
+                gpio_set_value_cansleep(led_dat->gpio, led_dat->new_level);
 }
 
 static void gpio_led_set(struct led_classdev *led_cdev,
@@ -60,8 +67,14 @@ static void gpio_led_set(struct led_classdev *led_cdev,
         if (led_dat->can_sleep) {
                 led_dat->new_level = level;
                 schedule_work(&led_dat->work);
-        } else
-                gpio_set_value(led_dat->gpio, level);
+        } else {
+                if (led_dat->blinking) {
+                        led_dat->platform_gpio_blink_set(led_dat->gpio, level,
+                                                         NULL, NULL);
+                        led_dat->blinking = 0;
+                } else
+                        gpio_set_value(led_dat->gpio, level);
+        }
 }
 
 static int gpio_blink_set(struct led_classdev *led_cdev,
@@ -70,12 +83,14 @@ static int gpio_blink_set(struct led_classdev *led_cdev,
         struct gpio_led_data *led_dat =
                 container_of(led_cdev, struct gpio_led_data, cdev);
 
-        return led_dat->platform_gpio_blink_set(led_dat->gpio, delay_on, delay_off);
+        led_dat->blinking = 1;
+        return led_dat->platform_gpio_blink_set(led_dat->gpio, GPIO_LED_BLINK,
+                                                delay_on, delay_off);
 }
 
 static int __devinit create_gpio_led(const struct gpio_led *template,
         struct gpio_led_data *led_dat, struct device *parent,
-        int (*blink_set)(unsigned, unsigned long *, unsigned long *))
+        int (*blink_set)(unsigned, int, unsigned long *, unsigned long *))
 {
         int ret, state;
 
@@ -97,6 +112,7 @@ static int __devinit create_gpio_led(const struct gpio_led *template,
         led_dat->gpio = template->gpio;
         led_dat->can_sleep = gpio_cansleep(template->gpio);
         led_dat->active_low = template->active_low;
+        led_dat->blinking = 0;
         if (blink_set) {
                 led_dat->platform_gpio_blink_set = blink_set;
                 led_dat->cdev.blink_set = gpio_blink_set;
@@ -113,7 +129,7 @@ static int __devinit create_gpio_led(const struct gpio_led *template,
         ret = gpio_direction_output(led_dat->gpio, led_dat->active_low ^ state);
         if (ret < 0)
                 goto err;
-
+                
         INIT_WORK(&led_dat->work, gpio_led_work);
 
         ret = led_classdev_register(parent, &led_dat->cdev);
@@ -234,6 +250,7 @@ static int __devinit of_gpio_leds_probe(struct of_device *ofdev,
                 led.gpio = of_get_gpio_flags(child, 0, &flags);
                 led.active_low = flags & OF_GPIO_ACTIVE_LOW;
                 led.name = of_get_property(child, "label", NULL) ? : child->name;
+                led.blinking = 0;
                 led.default_trigger =
                         of_get_property(child, "linux,default-trigger", NULL);
                 state = of_get_property(child, "default-state", NULL);