| /* |
| * Copyright (c) 2014 The Chromium OS Authors. All rights reserved. |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| /* Lightbar IC interface */ |
| |
| #ifndef __CROS_EC_LB_COMMON_H |
| #define __CROS_EC_LB_COMMON_H |
| |
| #include "ec_commands.h" |
| |
| /* How many (logical) LEDs do we have? */ |
| #define NUM_LEDS 4 |
| |
| /* Set the color of one LED (or all if the LED number is too large) */ |
| void lb_set_rgb(unsigned int led, int red, int green, int blue); |
| /* Get the current color of one LED. Fails if the LED number is too large. */ |
| int lb_get_rgb(unsigned int led, uint8_t *red, uint8_t *green, uint8_t *blue); |
| /* Set the overall brightness level. */ |
| void lb_set_brightness(unsigned int newval); |
| /* Get the overall brighness level. */ |
| uint8_t lb_get_brightness(void); |
| /* Initialize the IC controller registers to sane values. */ |
| void lb_init(int use_lock); |
| /* Disable the LED current off (the IC stays on). */ |
| void lb_off(void); |
| /* Enable the LED current. */ |
| void lb_on(void); |
| /* Fill in the response fields for the LIGHTBAR_CMD_DUMP command. */ |
| void lb_hc_cmd_dump(struct ec_response_lightbar *out); |
| /* Write the IC controller register given by the LIGHTBAR_CMD_REG command. */ |
| void lb_hc_cmd_reg(const struct ec_params_lightbar *in); |
| /* |
| * Optional (see config.h). Request that the lightbar power rails be on or off. |
| * Returns true if a change to the rails was made, false if it wasn't. |
| */ |
| int lb_power(int enabled); |
| |
| #endif /* __CROS_EC_LB_COMMON_H */ |