diff options
Diffstat (limited to 'drivers/led/core.c')
-rw-r--r-- | drivers/led/core.c | 46 |
1 files changed, 28 insertions, 18 deletions
diff --git a/drivers/led/core.c b/drivers/led/core.c index 431966d067..fec7324e73 100644 --- a/drivers/led/core.c +++ b/drivers/led/core.c @@ -256,22 +256,35 @@ void led_unregister(struct led *led) list_del(&led->list); } -struct led_trg { - const char *str; - enum led_trigger trg; +static char *trigger_names[] = { + [LED_TRIGGER_PANIC] = "panic", + [LED_TRIGGER_HEARTBEAT] = "heartbeat", + [LED_TRIGGER_NET_RX] = "net-rx", + [LED_TRIGGER_NET_TX] = "net-tx", + [LED_TRIGGER_NET_TXRX] = "net", + [LED_TRIGGER_DEFAULT_ON] = "default-on", }; -static struct led_trg triggers[] = { - { .str = "heartbeat", LED_TRIGGER_HEARTBEAT, }, - { .str = "panic", LED_TRIGGER_PANIC, }, - { .str = "net", LED_TRIGGER_NET_TXRX, }, - { .str = "default-on", LED_TRIGGER_DEFAULT_ON, }, -}; +const char *trigger_name(enum led_trigger trigger) +{ + return trigger_names[trigger]; +} + +enum led_trigger trigger_by_name(const char *name) +{ + int i; + + for (i = 0; i < LED_TRIGGER_MAX; i++) + if (!strcmp(name, trigger_names[i])) + return i; + + return LED_TRIGGER_MAX; +} void led_of_parse_trigger(struct led *led, struct device_node *np) { + enum led_trigger trg; const char *trigger; - int i; trigger = of_get_property(np, "linux,default-trigger", NULL); if (!trigger) @@ -280,13 +293,10 @@ void led_of_parse_trigger(struct led *led, struct device_node *np) if (!trigger) return; - 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; - } + trg = trigger_by_name(trigger); + if (trg != LED_TRIGGER_MAX) { + /* disable LED before installing trigger */ + led_set(led, 0); + led_set_trigger(trg, led); } } |