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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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1234567891011121314151617181920212223242526272829303132333435363738394041/* 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 */