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led: trigger: disable LEDs with trigger before installing it 

This disables LEDs that have a trigger function assigned right before
the trigger is installed. As the trigger was parsed before the LED has
been registered, also swap LED registration and trigger parsing.

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Sebastian Hesselbarth 2013-11-09 14:24:06 +01:00 committed by Sascha Hauer
parent 7c1091bd58
commit 4faf305507
1 changed files with 3 additions and 1 deletions
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4
drivers/led/led-gpio.c
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@ -225,6 +225,8 @@ static void led_of_parse_trigger(struct led *led, struct device_node *np)
for (i = 0; i < ARRAY_SIZE(triggers); i++) {
struct led_trg *trg = &triggers[i];
if (!strcmp(trg->str, trigger)) {
/* disable LED before installing trigger */
led_set(led, 0);
led_set_trigger(trg->trg, led);
return;
}
@ -252,8 +254,8 @@ static int led_gpio_of_probe(struct device_d *dev)
dev_dbg(dev, "register led %s on gpio%d, active_low = %d\n",
gled->led.name, gled->gpio, gled->active_low);
led_of_parse_trigger(&gled->led, child);
led_gpio_register(gled);
led_of_parse_trigger(&gled->led, child);
}
return 0;