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leds: enable support for blink_set() platform hook in leds-gpio

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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>
This commit is contained in:
Herbert Valerio Riedel
2008-03-09 23:48:25 +00:00
committed by Richard Purdie
parent 4d404fd5c5
commit ca3259b360
2 changed files with 18 additions and 0 deletions
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3
include/linux/leds.h
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@@ -126,6 +126,9 @@ struct gpio_led {
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);
};