leds: enable support for blink_set() platform hook in leds-gpio
Enhance leds-gpio to provide hardware-based led flashing by passing
through the blink_set() call to a optionally set platform-specific
function pointer.
Signed-off-by: Herbert Valerio Riedel <hvr@gnu.org>
Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
diff --git a/include/linux/leds.h b/include/linux/leds.h
index b07e3d4..c195a67 100644
--- a/include/linux/leds.h
+++ b/include/linux/leds.h
@@ -126,6 +126,9 @@
struct gpio_led_platform_data {
int num_leds;
struct gpio_led *leds;
+ int (*gpio_blink_set)(unsigned gpio,
+ unsigned long *delay_on,
+ unsigned long *delay_off);
};