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