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leds: Add no-op gpio_led_register_device when LED subsystem is disabled 

Some systems use 'gpio_led_register_device' to make an in-memory copy of
their LED device table so the original can be removed as .init.rodata.
When the LED subsystem is not enabled source in the led directory is not
built and so this function may be undefined. Fix this here.

Signed-off-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
This commit is contained in:
Andrew F. Davis 2016-06-21 14:40:11 +02:00 committed by Jacek Anaszewski
parent fed758f6b7
commit fca23e47df
1 changed files with 8 additions and 0 deletions
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8
include/linux/leds.h
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@ -387,8 +387,16 @@ struct gpio_led_platform_data {
unsigned long *delay_off);
};
#ifdef CONFIG_NEW_LEDS
struct platform_device *gpio_led_register_device(
int id, const struct gpio_led_platform_data *pdata);
#else
static inline struct platform_device *gpio_led_register_device(
int id, const struct gpio_led_platform_data *pdata)
{
return 0;
}
#endif
enum cpu_led_event {
CPU_LED_IDLE_START, /* CPU enters idle */