35 lines
827 B
C
35 lines
827 B
C
/*
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* Copyright (c) 2020 The ZMK Contributors
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*
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* SPDX-License-Identifier: MIT
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*/
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#include <zephyr.h>
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#include <kernel.h>
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#include <power/power.h>
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#include <logging/log.h>
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LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL);
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#include <zmk/usb.h>
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#include <zmk/activity.h>
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bool is_usb_power_present() {
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#if IS_ENABLED(CONFIG_USB_DEVICE_STACK)
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return zmk_usb_is_powered();
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#else
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return false;
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#endif /* IS_ENABLED(CONFIG_USB_DEVICE_STACK) */
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}
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struct pm_state_info pm_policy_next_state(int32_t ticks) {
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if (zmk_activity_get_state() == ZMK_ACTIVITY_SLEEP && !is_usb_power_present()) {
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return (struct pm_state_info){PM_STATE_SOFT_OFF, 0, 0};
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}
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return (struct pm_state_info){PM_STATE_ACTIVE, 0, 0};
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}
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__weak bool pm_policy_low_power_devices(enum pm_state state) { return pm_is_sleep_state(state); }
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