libx52_set_led_state(3) -- set the LED state
============================================

## SYNOPSIS

`#include <libx52.h>`

`int libx52_set_led_state(libx52_device *`_x52_`, libx52_led_id ` _led_
`, libx52_led_state ` _state_`)`

## DESCRIPTION

The Saitek X52 Pro has several LEDs that can be individually controlled. This
function allows you to set the state of each LED in the internal data
structures.

### LED STATES

The following are the supported LED states that are accepted by the _state_
parameter. Note that all values are not supported by all LEDs.

* `LIBX52_LED_STATE_OFF`
* `LIBX52_LED_STATE_ON`
* `LIBX52_LED_STATE_RED`
* `LIBX52_LED_STATE_AMBER`
* `LIBX52_LED_STATE_GREEN`

### LED IDS

The following are the supported LED identifiers that are accepted by the _led_
parameter:

* `LIBX52_LED_FIRE`
* `LIBX52_LED_A`
* `LIBX52_LED_B`
* `LIBX52_LED_D`
* `LIBX52_LED_E`
* `LIBX52_LED_T1`
* `LIBX52_LED_T2`
* `LIBX52_LED_T3`
* `LIBX52_LED_POV`
* `LIBX52_LED_CLUTCH`
* `LIBX52_LED_THROTTLE`

Note that the LEDs referred to by `LIBX52_LED_FIRE` and `LIBX52_LED_THROTTLE`
support only the states `LIBX52_LED_STATE_OFF` and `LIBX52_LED_STATE_ON`. The
remaining LEDs support all the states with the exception of
`LIBX52_LED_STATE_ON`.

## RETURN VALUES

`libx52_led_state()` returns 0 on success, `-EINVAL` if the _x52_ parameter is
not valid, and `-ENOTSUP` if the _led_ and _state_ combination is not a
supported one.

## SEE ALSO

libx52_update(3)