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lastdragon
2026-09-06 12:53:21 -06:00
parent 662efe3c2a
commit ad2088d178
94853 changed files with 43200404 additions and 0 deletions
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linux-7.2.3/drivers/char/nwbutton.h
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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __NWBUTTON_H
#define __NWBUTTON_H
/*
* NetWinder Button Driver-
* Copyright (C) Alex Holden <alex@linuxhacker.org> 1998, 1999.
*/
#ifdef __NWBUTTON_C /* Actually compiling the driver itself */
/* Various defines: */
#define NUM_PRESSES_REBOOT 2 /* How many presses to activate shutdown */
#define BUTTON_DELAY 30 /* How many jiffies for sequence to end */
#define VERSION "0.3" /* Driver version number */
/* Structure definitions: */
struct button_callback {
void (*callback) (void);
int count;
};
/* Function prototypes: */
static void button_sequence_finished(struct timer_list *unused);
static irqreturn_t button_handler (int irq, void *dev_id);
int button_init (void);
int button_add_callback (void (*callback) (void), int count);
int button_del_callback (void (*callback) (void));
static void button_consume_callbacks (int bpcount);
#else /* Not compiling the driver itself */
extern int button_add_callback (void (*callback) (void), int count);
extern int button_del_callback (void (*callback) (void));
#endif /* __NWBUTTON_C */
#endif /* __NWBUTTON_H */