From 135900c182c321a4888ec496b014e6707272faca Mon Sep 17 00:00:00 2001 From: Michael Buesch Date: Thu, 27 Sep 2007 21:33:12 +0200 Subject: [RFKILL]: Add support for an rfkill LED. This adds a LED trigger. Signed-off-by: Michael Buesch Acked-by: Ivo van Doorn Signed-off-by: John W. Linville Signed-off-by: David S. Miller --- include/linux/rfkill.h | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) (limited to 'include') diff --git a/include/linux/rfkill.h b/include/linux/rfkill.h index d76397ca95ad..26fddea12c25 100644 --- a/include/linux/rfkill.h +++ b/include/linux/rfkill.h @@ -26,6 +26,7 @@ #include #include #include +#include /** * enum rfkill_type - type of rfkill switch. @@ -56,6 +57,7 @@ enum rfkill_state { * @data: Pointer to the RF button drivers private data which will be * passed along when toggling radio state. * @toggle_radio(): Mandatory handler to control state of the radio. + * @led_trigger: A LED trigger for this button's LED. * @dev: Device structure integrating the switch into device tree. * @node: Used to place switch into list of all switches known to the * the system. @@ -74,6 +76,10 @@ struct rfkill { void *data; int (*toggle_radio)(void *data, enum rfkill_state state); +#ifdef CONFIG_RFKILL_LEDS + struct led_trigger led_trigger; +#endif + struct device dev; struct list_head node; }; @@ -84,4 +90,19 @@ void rfkill_free(struct rfkill *rfkill); int rfkill_register(struct rfkill *rfkill); void rfkill_unregister(struct rfkill *rfkill); +/** + * rfkill_get_led_name - Get the LED trigger name for the button's LED. + * This function might return a NULL pointer if registering of the + * LED trigger failed. + * Use this as "default_trigger" for the LED. + */ +static inline char *rfkill_get_led_name(struct rfkill *rfkill) +{ +#ifdef CONFIG_RFKILL_LEDS + return (char *)(rfkill->led_trigger.name); +#else + return NULL; +#endif +} + #endif /* RFKILL_H */ -- cgit v1.2.3