cregit-Linux how code gets into the kernel

Release 4.14 drivers/iio/iio_core.h

Directory: drivers/iio
/* The industrial I/O core function defs.
 *
 * Copyright (c) 2008 Jonathan Cameron
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published by
 * the Free Software Foundation.
 *
 * These definitions are meant for use only within the IIO core, not individual
 * drivers.
 */

#ifndef _IIO_CORE_H_

#define _IIO_CORE_H_
#include <linux/kernel.h>
#include <linux/device.h>

struct iio_chan_spec;
struct iio_dev;

extern struct device_type iio_device_type;

int __iio_add_chan_devattr(const char *postfix,
			   struct iio_chan_spec const *chan,
			   ssize_t (*func)(struct device *dev,
					   struct device_attribute *attr,
					   char *buf),
			   ssize_t (*writefunc)(struct device *dev,
						struct device_attribute *attr,
						const char *buf,
						size_t len),
			   u64 mask,
			   enum iio_shared_by shared_by,
			   struct device *dev,
			   struct list_head *attr_list);
void iio_free_chan_devattr_list(struct list_head *attr_list);

ssize_t iio_format_value(char *buf, unsigned int type, int size, int *vals);

/* Event interface flags */

#define IIO_BUSY_BIT_POS 1

#ifdef CONFIG_IIO_BUFFER
struct poll_table_struct;

unsigned int iio_buffer_poll(struct file *filp,
			     struct poll_table_struct *wait);
ssize_t iio_buffer_read_first_n_outer(struct file *filp, char __user *buf,
				      size_t n, loff_t *f_ps);

int iio_buffer_alloc_sysfs_and_mask(struct iio_dev *indio_dev);
void iio_buffer_free_sysfs_and_mask(struct iio_dev *indio_dev);


#define iio_buffer_poll_addr (&iio_buffer_poll)

#define iio_buffer_read_first_n_outer_addr (&iio_buffer_read_first_n_outer)

void iio_disable_all_buffers(struct iio_dev *indio_dev);
void iio_buffer_wakeup_poll(struct iio_dev *indio_dev);

#else


#define iio_buffer_poll_addr NULL

#define iio_buffer_read_first_n_outer_addr NULL


static inline int iio_buffer_alloc_sysfs_and_mask(struct iio_dev *indio_dev) { return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Lars-Peter Clausen15100.00%1100.00%
Total15100.00%1100.00%


static inline void iio_buffer_free_sysfs_and_mask(struct iio_dev *indio_dev) {}

Contributors

PersonTokensPropCommitsCommitProp
Lars-Peter Clausen11100.00%1100.00%
Total11100.00%1100.00%


static inline void iio_disable_all_buffers(struct iio_dev *indio_dev) {}

Contributors

PersonTokensPropCommitsCommitProp
Lars-Peter Clausen11100.00%1100.00%
Total11100.00%1100.00%


static inline void iio_buffer_wakeup_poll(struct iio_dev *indio_dev) {}

Contributors

PersonTokensPropCommitsCommitProp
Lars-Peter Clausen11100.00%1100.00%
Total11100.00%1100.00%

#endif int iio_device_register_eventset(struct iio_dev *indio_dev); void iio_device_unregister_eventset(struct iio_dev *indio_dev); void iio_device_wakeup_eventset(struct iio_dev *indio_dev); int iio_event_getfd(struct iio_dev *indio_dev); struct iio_event_interface; bool iio_event_enabled(const struct iio_event_interface *ev_int); #endif

Overall Contributors

PersonTokensPropCommitsCommitProp
Jonathan Cameron16549.70%741.18%
Lars-Peter Clausen14543.67%635.29%
Grégor Boirie133.92%15.88%
Guenter Roeck51.51%15.88%
Srinivas Pandruvada30.90%15.88%
Michael Hennerich10.30%15.88%
Total332100.00%17100.00%
Directory: drivers/iio
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