Merge branch 'for-2.6.35' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie...

[safe/jmp/linux-2.6] / drivers / leds / leds-gpio.c

diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c
index 6d94b0b..cc22eee 100644 (file)
--- 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);