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86eea83cee
BUG=chrome-os-partner:24370 BRANCH=tot TEST=Run button unit test. Orig-Change-Id: I61b4a6624d62831ce0bfdf7a0f36a45349b37f96 Signed-off-by: Dave Parker <dparker@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/184544 Reviewed-by: Randall Spangler <rspangler@chromium.org> (cherry picked from commit f6426cc21c20a4f876cff28b9ce7e3115f0b054a) Change-Id: I4face9bf0797a91ec8bef390093aab8e3d8f97ab Reviewed-on: https://chromium-review.googlesource.com/185243 Tested-by: Randall Spangler <rspangler@chromium.org> Reviewed-by: Bill Richardson <wfrichar@chromium.org> Commit-Queue: Randall Spangler <rspangler@chromium.org>
45 lines
926 B
C
45 lines
926 B
C
/* Copyright (c) 2014 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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/* Button API for Chrome EC */
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#ifndef __CROS_EC_BUTTON_H
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#define __CROS_EC_BUTTON_H
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#include "common.h"
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#include "gpio.h"
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#define BUTTON_FLAG_ACTIVE_HIGH (1 << 0)
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enum keyboard_button_type {
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KEYBOARD_BUTTON_POWER = 0,
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KEYBOARD_BUTTON_VOLUME_DOWN,
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KEYBOARD_BUTTON_VOLUME_UP,
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KEYBOARD_BUTTON_COUNT
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};
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struct button_config {
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const char *name;
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enum keyboard_button_type type;
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enum gpio_signal gpio;
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uint32_t debounce_us;
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int flags;
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};
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/*
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* Defined in board.c. Should be CONFIG_BUTTON_COUNT elements long.
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*/
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extern const struct button_config buttons[];
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/*
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* Interrupt handler for 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 button_interrupt(enum gpio_signal signal);
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#endif /* __CROS_EC_BUTTON_H */
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