ww_ring.h

Go to the documentation of this file.

/* SPDX-License-Identifier: GPL-2.0-only */
 
#ifndef __SRC_DRIVERS_VIDEO_WW_RING__H__
#define __SRC_DRIVERS_VIDEO_WW_RING__H__
 
/*
 * Different types of display patterns to be shown by the LED ring while
 * contrlled by coreboot.
 */
enum display_pattern {
        WWR_ALL_OFF,            /* Turn the LEDs off. */
        WWR_RECOVERY_PUSHED,    /* Recovery button push detected on start up. */
        WWR_WIPEOUT_REQUEST,    /* Held long enough for wipout request. */
        WWR_RECOVERY_REQUEST,   /* Held long enough for recovery request. */
        WWR_NORMAL_BOOT         /* No buttons pressed, normal boot sequence. */
};
/*
 * ww_ring_display_pattern
 *
 * Display pattern on the ring LEDs.
 */
int ww_ring_display_pattern(unsigned int i2c_bus, enum display_pattern pattern);
 
#endif