Function evdev_led_state 

pub fn evdev_led_state<'b>(
    d: BorrowedFd<'_>,
    bitmap: &'b mut [u8],
) -> Result<&'b [u8], Errno>

EVIOCGLED(len) — état des LED.

Errors

• [Errno::ENOTTY] : device n’est pas un periphérique evdev.