Lines Matching +full:button +full:- +full:up

1 // SPDX-License-Identifier: GPL-2.0-only
3  * 	NetWinder Button Driver-
22 #include <asm/mach-types.h>
29 static int button_press_count;		/* The count of button presses */
42  * to be called when a particular number of button presses occurs.
45  * to be performed by the kernel on different numbers of button presses ;).
48  * do so and return -ENOMEM. If an attempt is made to register a null pointer,
49  * it will fail to do so and return -EINVAL.
61 		return -ENOMEM;  in button_add_callback()
64 		return -EINVAL;  in button_add_callback()
76  * with -EINVAL. If there is more than one entry with the same address,
78  * last one to be registered first (FILO- First In Last Out).
89 		return -EINVAL;  in button_del_callback()
95 			callback_count--;  in button_del_callback()
98 		lp--;  in button_del_callback()
100 	return -EINVAL;  in button_del_callback()
106  * matches the current count of button presses. It starts at the beginning
107  * of the list and works up to the end. It will refuse to follow a null
125  * ie. When you don't press the button for bdelay jiffies, this is taken to
127  * called to wind things up (write the press_count out to /dev/button, call
138 	button_press_count = 0;		/* Reset the button press counter */  in button_sequence_finished()
143  *  This handler is called when the orange button is pressed (GPIO 10 of the
176 		 ? -EFAULT : bcount;  in button_read()
215 		return -ENODEV;  in nwbutton_init()
217 	printk (KERN_INFO "NetWinder Button Driver Version %s (C) Alex Holden "  in nwbutton_init()
223 		return -EBUSY;  in nwbutton_init()
231 		return -EIO;  in nwbutton_init()