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914fd75a5d
Implement LED boot API to signal correct boot of the system. led_boot_on/off/blink() are introduced to turn ON, OFF and BLINK the designated boot LED. New Kconfig is introduced, CONFIG_LED_BOOT to enable the feature. This makes use of the /options/u-boot property "boot-led" to the define the boot LED. It's also introduced a new /options/u-boot property "boot-led-period" to define the default period when the LED is set to blink mode. If "boot-led-period" is not defined, the value of 250 (ms) is used by default. If CONFIG_LED_BLINK or CONFIG_LED_SW_BLINK is not enabled, led_boot_blink call will fallback to simple LED ON. To cache the data we repurpose the now unused led_uc_priv for storage of global LED uclass info. Signed-off-by: Christian Marangi <ansuelsmth@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>