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/*
* Copyright (c) 2021 The ZMK Contributors
*
* SPDX-License-Identifier: MIT
*/
#define DT_DRV_COMPAT zmk_behavior_backlight
#include <device.h>
#include <drivers/behavior.h>
#include <logging/log.h>
#include <dt-bindings/zmk/backlight.h>
#include <zmk/backlight.h>
#include <zmk/keymap.h>
LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL);
#if DT_HAS_COMPAT_STATUS_OKAY(DT_DRV_COMPAT)
static int behavior_backlight_init(const struct device *dev) { return 0; }
static int
on_keymap_binding_convert_central_state_dependent_params(struct zmk_behavior_binding *binding,
struct zmk_behavior_binding_event event) {
switch (binding->param1) {
case BL_TOG_CMD:
binding->param1 = zmk_backlight_is_on() ? BL_OFF_CMD : BL_ON_CMD;
break;
case BL_INC_CMD:
binding->param1 = BL_SET_CMD;
binding->param2 = zmk_backlight_calc_brt(1);
break;
case BL_DEC_CMD:
binding->param1 = BL_SET_CMD;
binding->param2 = zmk_backlight_calc_brt(-1);
break;
case BL_CYCLE_CMD:
binding->param1 = BL_SET_CMD;
binding->param2 = zmk_backlight_calc_brt_cycle();
break;
default:
return 0;
}
LOG_DBG("Backlight relative to absolute (%d/%d)", binding->param1, binding->param2);
return 0;
}
static int on_keymap_binding_pressed(struct zmk_behavior_binding *binding,
struct zmk_behavior_binding_event event) {
switch (binding->param1) {
case BL_ON_CMD:
return zmk_backlight_on();
case BL_OFF_CMD:
return zmk_backlight_off();
case BL_TOG_CMD:
return zmk_backlight_toggle();
case BL_INC_CMD: {
uint8_t brt = zmk_backlight_calc_brt(1);
return zmk_backlight_set_brt(brt);
}
case BL_DEC_CMD: {
uint8_t brt = zmk_backlight_calc_brt(-1);
return zmk_backlight_set_brt(brt);
}
case BL_CYCLE_CMD: {
uint8_t brt = zmk_backlight_calc_brt_cycle();
return zmk_backlight_set_brt(brt);
}
case BL_SET_CMD:
return zmk_backlight_set_brt(binding->param2);
default:
LOG_ERR("Unknown backlight command: %d", binding->param1);
}
return -ENOTSUP;
}
static int on_keymap_binding_released(struct zmk_behavior_binding *binding,
struct zmk_behavior_binding_event event) {
return ZMK_BEHAVIOR_OPAQUE;
}
static const struct behavior_driver_api behavior_backlight_driver_api = {
.binding_convert_central_state_dependent_params =
on_keymap_binding_convert_central_state_dependent_params,
.binding_pressed = on_keymap_binding_pressed,
.binding_released = on_keymap_binding_released,
.locality = BEHAVIOR_LOCALITY_GLOBAL,
};
DEVICE_DT_INST_DEFINE(0, behavior_backlight_init, device_pm_control_nop, NULL, NULL, APPLICATION,
CONFIG_KERNEL_INIT_PRIORITY_DEFAULT, &behavior_backlight_driver_api);
#endif /* DT_HAS_COMPAT_STATUS_OKAY(DT_DRV_COMPAT) */
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