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c5e0634054
- ec_response_thermal_get_threshold.value is unsigned, so it can not be less than zero. - make power_button_wait_for_release() take a signed int, to match its existing usage. BUG=None TEST=`make buildall -j` BRANCH=None Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org> Change-Id: Ie5748df3d9904d1e417adc38fee18f8cb3ce9750 Reviewed-on: https://chromium-review.googlesource.com/325840 Commit-Ready: Shawn N <shawnn@chromium.org> Tested-by: Shawn N <shawnn@chromium.org> Reviewed-by: Randall Spangler <rspangler@chromium.org>
58 lines
1.4 KiB
C
58 lines
1.4 KiB
C
/* Copyright (c) 2013 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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/* Power button API for Chrome EC */
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#ifndef __CROS_EC_POWER_BUTTON_H
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#define __CROS_EC_POWER_BUTTON_H
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#include "common.h"
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/**
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* Return non-zero if power button is pressed.
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*
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* Uses the debounced button state, not the raw signal from the GPIO.
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*/
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int power_button_is_pressed(void);
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/**
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* Wait for the power button to be released
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*
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* @param timeout_us Timeout in microseconds, or -1 to wait forever
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* @return EC_SUCCESS if ok, or
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* EC_ERROR_TIMEOUT if power button failed to release
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*/
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int power_button_wait_for_release(int timeout_us);
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/**
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* Return non-zero if power button signal asserted at hardware input.
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*
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*/
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int power_button_signal_asserted(void);
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/**
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* Interrupt handler for power button.
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*
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* @param signal Signal which triggered the interrupt.
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*/
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void power_button_interrupt(enum gpio_signal signal);
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/**
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* For x86 systems, force-assert the power button signal to the PCH.
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*/
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void power_button_pch_press(void);
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/**
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* For x86 systems, force-deassert the power button signal to the PCH.
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*/
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void power_button_pch_release(void);
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/**
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* For x86 systems, force a pulse of the power button signal to the PCH.
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*/
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void power_button_pch_pulse(void);
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#endif /* __CROS_EC_POWER_BUTTON_H */
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