forked from mirrors/linux
79ffd5f98c
Now that all users of sparse_keymap_free() are gone we can remove the stub. Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
61 lines
2.1 KiB
C
61 lines
2.1 KiB
C
#ifndef _SPARSE_KEYMAP_H
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#define _SPARSE_KEYMAP_H
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/*
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* Copyright (c) 2009 Dmitry Torokhov
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published by
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* the Free Software Foundation.
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*/
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#define KE_END 0 /* Indicates end of keymap */
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#define KE_KEY 1 /* Ordinary key/button */
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#define KE_SW 2 /* Switch (predetermined value) */
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#define KE_VSW 3 /* Switch (value supplied at runtime) */
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#define KE_IGNORE 4 /* Known entry that should be ignored */
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#define KE_LAST KE_IGNORE
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/**
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* struct key_entry - keymap entry for use in sparse keymap
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* @type: Type of the key entry (KE_KEY, KE_SW, KE_VSW, KE_END);
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* drivers are allowed to extend the list with their own
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* private definitions.
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* @code: Device-specific data identifying the button/switch
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* @keycode: KEY_* code assigned to a key/button
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* @sw.code: SW_* code assigned to a switch
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* @sw.value: Value that should be sent in an input even when KE_SW
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* switch is toggled. KE_VSW switches ignore this field and
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* expect driver to supply value for the event.
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*
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* This structure defines an entry in a sparse keymap used by some
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* input devices for which traditional table-based approach is not
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* suitable.
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*/
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struct key_entry {
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int type; /* See KE_* above */
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u32 code;
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union {
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u16 keycode; /* For KE_KEY */
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struct { /* For KE_SW, KE_VSW */
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u8 code;
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u8 value; /* For KE_SW, ignored by KE_VSW */
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} sw;
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};
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};
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struct key_entry *sparse_keymap_entry_from_scancode(struct input_dev *dev,
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unsigned int code);
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struct key_entry *sparse_keymap_entry_from_keycode(struct input_dev *dev,
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unsigned int code);
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int sparse_keymap_setup(struct input_dev *dev,
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const struct key_entry *keymap,
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int (*setup)(struct input_dev *, struct key_entry *));
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void sparse_keymap_report_entry(struct input_dev *dev, const struct key_entry *ke,
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unsigned int value, bool autorelease);
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bool sparse_keymap_report_event(struct input_dev *dev, unsigned int code,
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unsigned int value, bool autorelease);
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#endif /* _SPARSE_KEYMAP_H */
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