e1000_blink_led_start

Used on 82571 and later Si that has LED blink bits.

int32_t e1000_blink_led_start(
　　struct e1000_hw * hw
)

hw

Used on 82571 and later Si that has LED blink bits.
Callers must use their own timer and should have already called
e1000_id_led_init()
Call e1000_cleanup led() to stop blinking