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/*
* include/linux/gpio_detection.h
*
* Platform data structure for GPIO detection driver
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#ifndef __GPIO_DETECTION_H
#define __GPIO_DETECTION_H
#define GPIO_EVENT 1
/*
* gpio event
* @val: 0 event active, 1 event over
* @name: event name
*/
struct gpio_event {
int val;
const char *name;
};
#if IS_ENABLED(CONFIG_GPIO_DET)
int gpio_det_register_notifier(struct notifier_block *nb);
int gpio_det_unregister_notifier(struct notifier_block *nb);
int gpio_det_notifier_call_chain(unsigned long val, void *v);
#else
static inline int gpio_det_register_notifier(struct notifier_block *nb)
{
return -EINVAL;
};
static inline int gpio_det_unregister_notifier(struct notifier_block *nb)
{
return -EINVAL;
};
static inline int gpio_det_notifier_call_chain(unsigned long val, void *v)
{
return -EINVAL;
};
#endif
#endif
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