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authorBryan Wu <bryan.wu@canonical.com>2012-03-23 15:02:14 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-03-23 16:58:35 -0700
commita403d930c58eb8448f81fa90c125ac36dc8ef89d (patch)
tree83ad260d905d7e057ae05d380224da107cceb9ac /drivers/leds/led-class.c
parentcea694ca3d0894ee97482be1f22b822dc948c66f (diff)
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led-class: change back LEDS_CLASS to tristate instead of bool
After moving some core functions to led-core.c, led-class.c can be built as module again. Signed-off-by: Bryan Wu <bryan.wu@canonical.com> Acked-by: Richard Purdie <richard.purdie@linuxfoundation.org> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/leds/led-class.c')
-rw-r--r--drivers/leds/led-class.c70
1 files changed, 0 insertions, 70 deletions
diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c
index 0c8739c448b1..5bff8439dc68 100644
--- a/drivers/leds/led-class.c
+++ b/drivers/leds/led-class.c
@@ -110,50 +110,6 @@ static void led_timer_function(unsigned long data)
mod_timer(&led_cdev->blink_timer, jiffies + msecs_to_jiffies(delay));
}
-static void led_stop_software_blink(struct led_classdev *led_cdev)
-{
- /* deactivate previous settings */
- del_timer_sync(&led_cdev->blink_timer);
- led_cdev->blink_delay_on = 0;
- led_cdev->blink_delay_off = 0;
-}
-
-static void led_set_software_blink(struct led_classdev *led_cdev,
- unsigned long delay_on,
- unsigned long delay_off)
-{
- int current_brightness;
-
- current_brightness = led_get_brightness(led_cdev);
- if (current_brightness)
- led_cdev->blink_brightness = current_brightness;
- if (!led_cdev->blink_brightness)
- led_cdev->blink_brightness = led_cdev->max_brightness;
-
- if (led_get_trigger_data(led_cdev) &&
- delay_on == led_cdev->blink_delay_on &&
- delay_off == led_cdev->blink_delay_off)
- return;
-
- led_stop_software_blink(led_cdev);
-
- led_cdev->blink_delay_on = delay_on;
- led_cdev->blink_delay_off = delay_off;
-
- /* never on - don't blink */
- if (!delay_on)
- return;
-
- /* never off - just set to brightness */
- if (!delay_off) {
- led_set_brightness(led_cdev, led_cdev->blink_brightness);
- return;
- }
-
- mod_timer(&led_cdev->blink_timer, jiffies + 1);
-}
-
-
/**
* led_classdev_suspend - suspend an led_classdev.
* @led_cdev: the led_classdev to suspend.
@@ -262,32 +218,6 @@ void led_classdev_unregister(struct led_classdev *led_cdev)
}
EXPORT_SYMBOL_GPL(led_classdev_unregister);
-void led_blink_set(struct led_classdev *led_cdev,
- unsigned long *delay_on,
- unsigned long *delay_off)
-{
- del_timer_sync(&led_cdev->blink_timer);
-
- if (led_cdev->blink_set &&
- !led_cdev->blink_set(led_cdev, delay_on, delay_off))
- return;
-
- /* blink with 1 Hz as default if nothing specified */
- if (!*delay_on && !*delay_off)
- *delay_on = *delay_off = 500;
-
- led_set_software_blink(led_cdev, *delay_on, *delay_off);
-}
-EXPORT_SYMBOL(led_blink_set);
-
-void led_brightness_set(struct led_classdev *led_cdev,
- enum led_brightness brightness)
-{
- led_stop_software_blink(led_cdev);
- led_cdev->brightness_set(led_cdev, brightness);
-}
-EXPORT_SYMBOL(led_brightness_set);
-
static int __init leds_init(void)
{
leds_class = class_create(THIS_MODULE, "leds");