vcs.maemo.org Git - kernel-bfs/blob - kernel-bfs-2.6.28/debian/patches/leds-lp5523.diff

   1 --- kernel-power-2.6.28.orig/drivers/leds/leds-lp5523.c
   2 +++ kernel-power-2.6.28/drivers/leds/leds-lp5523.c
   3 @@ -120,6 +120,8 @@
   4         u8                      led_nr;
   5         u8                      led_current;
   6         struct led_classdev     cdev;
   7 +       struct work_struct      work;
   8 +       u8 brightness;
   9  };
  10
  11  struct lp5523_chip {
  12 @@ -472,10 +474,10 @@
  13         return pos;
  14  }
  15
  16 -static void lp5523_set_brightness(struct led_classdev *cdev,
  17 -                            enum led_brightness brightness)
  18 +static void lp5523_set_brightness_work(struct work_struct  *work)
  19  {
  20 -       struct lp5523_led *led = cdev_to_led(cdev);
  21 +        struct lp5523_led *led =
  22 +                container_of(work, struct lp5523_led, work);
  23         struct lp5523_chip *chip = led_to_lp5523(led);
  24         struct i2c_client *client = chip->client;
  25
  26 @@ -483,10 +485,20 @@
  27
  28         lp5523_write(client,
  29                      LP5523_REG_LED_PWM_BASE + led->led_nr,
  30 -                    (u8)brightness);
  31 +                    led->brightness);
  32
  33         mutex_unlock(&chip->lock);
  34  }
  35 +static void lp5523_set_brightness(struct led_classdev *cdev,
  36 +                            enum led_brightness brightness)
  37 +{
  38 +       struct lp5523_led *led = cdev_to_led(cdev);
  39 +       struct lp5523_chip *chip = led_to_lp5523(led);
  40 +       struct i2c_client *client = chip->client;
  41 +
  42 +       led->brightness = (u8)brightness;
  43 +       schedule_work(&led->work);
  44 +}
  45
  46  static int lp5523_do_store_load(struct lp5523_engine *engine,
  47                                 const char *buf, size_t len)
  48 @@ -792,6 +804,7 @@
  49
  50         led->cdev.name = name;
  51         led->cdev.brightness_set = lp5523_set_brightness;
  52 +       INIT_WORK( &led->work, lp5523_set_brightness_work);
  53         if (led_classdev_register(dev, &led->cdev) < 0) {
  54                 dev_err(dev, "couldn't register led %d\n", id);
  55                 return -1;