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leds: use led_set_brightness in led_trigger_event

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Fix led_trigger_event() to use led_set_brightness() instead of
__led_set_brightness(), so that any pending blink timer is stopped before
setting the new brightness value.  Without this fix LED status may be
overridden by a pending timer.

This allows a trigger to use a mix of led_trigger_event(),
led_trigger_blink() and led_trigger_blink_oneshot() without races.

(applied over: leds: Rename led_brightness_set() to led_set_brightness())

Signed-off-by: Fabio Baltieri <fabio.baltieri@gmail.com>
Cc: Shuah Khan <shuahkhan@gmail.com>
Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
This commit is contained in:
Fabio Baltieri 2012-06-15 02:33:35 +08:00 committed by Bryan Wu
parent 19cd67e2d5
commit a0193cbee0
1 changed files with 1 additions and 1 deletions
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2
drivers/leds/led-triggers.c
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@ -224,7 +224,7 @@ void led_trigger_event(struct led_trigger *trig,
struct led_classdev *led_cdev;
led_cdev = list_entry(entry, struct led_classdev, trig_list);
__led_set_brightness(led_cdev, brightness);
led_set_brightness(led_cdev, brightness);
}
read_unlock(&trig->leddev_list_lock);
}