input.c File Reference

#include <linux/init.h>
#include <linux/types.h>
#include <linux/idr.h>
#include <linux/input/mt.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/random.h>
#include <linux/major.h>
#include <linux/proc_fs.h>
#include <linux/sched.h>
#include <linux/seq_file.h>
#include <linux/poll.h>
#include <linux/device.h>
#include <linux/mutex.h>
#include <linux/rcupdate.h>
#include "input-compat.h"

Go to the source code of this file.

Macros
#define	pr_fmt(fmt)   KBUILD_BASENAME ": " fmt
#define	INPUT_MAX_CHAR_DEVICES   1024
#define	INPUT_FIRST_DYNAMIC_DEV   256
#define	INPUT_IGNORE_EVENT   0
#define	INPUT_PASS_TO_HANDLERS   1
#define	INPUT_PASS_TO_DEVICE   2
#define	INPUT_SLOT   4
#define	INPUT_FLUSH   8
#define	INPUT_PASS_TO_ALL   (INPUT_PASS_TO_HANDLERS | INPUT_PASS_TO_DEVICE)
#define	INPUT_DEV_STRING_ATTR_SHOW(name)
#define	INPUT_DEV_ID_ATTR(name)
#define	INPUT_DEV_CAP_ATTR(ev, bm)
#define	INPUT_ADD_HOTPLUG_VAR(fmt, val...)
#define	INPUT_ADD_HOTPLUG_BM_VAR(name, bm, max)
#define	INPUT_ADD_HOTPLUG_MODALIAS_VAR(dev)
#define	INPUT_DO_TOGGLE(dev, type, bits, on)
#define	INPUT_CLEANSE_BITMASK(dev, type, bits)

Functions
	MODULE_AUTHOR ("Vojtech Pavlik <[email protected]>")
	MODULE_DESCRIPTION ("Input core")
	MODULE_LICENSE ("GPL")

Macro Definition Documentation

#define INPUT_ADD_HOTPLUG_BM_VAR	(		name,
			bm,
			max
	)

Value:

do {                                \
        int err = input_add_uevent_bm_var(env, name, bm, max);  \
        if (err)                        \
            return err;                 \
    } while (0)

#define INPUT_ADD_HOTPLUG_MODALIAS_VAR

(

dev

)

Value:

do {                                \
        int err = input_add_uevent_modalias_var(env, dev);  \
        if (err)                        \
            return err;                 \
    } while (0)

#define INPUT_ADD_HOTPLUG_VAR	(		fmt,
			val...
	)

Value:

do {                                \
        int err = add_uevent_var(env, fmt, val);        \
        if (err)                        \
            return err;                 \
    } while (0)

#define INPUT_CLEANSE_BITMASK	(		dev,
			type,
			bits
	)

Value:

do {                                \
        if (!test_bit(EV_##type, dev->evbit))           \
            memset(dev->bits##bit, 0,           \
                sizeof(dev->bits##bit));        \
    } while (0)

#define INPUT_DEV_CAP_ATTR	(		ev,
			bm
	)

Value:

static ssize_t input_dev_show_cap_##bm(struct device *dev,      \
                       struct device_attribute *attr,   \
                       char *buf)           \
{                                   \
	struct input_dev *input_dev = to_input_dev(dev);       \
    int len = input_print_bitmap(buf, PAGE_SIZE,            \
                     input_dev->bm##bit, ev##_MAX,  \
                     true);             \
    return min_t(int, len, PAGE_SIZE);              \
}                                   \
static DEVICE_ATTR(bm, S_IRUGO, input_dev_show_cap_##bm, NULL)

#define INPUT_DEV_ID_ATTR

(

name

)

Value:

static ssize_t input_dev_show_id_##name(struct device *dev,     \
                    struct device_attribute *attr,  \
                    char *buf)          \
{                                   \
	struct input_dev *input_dev = to_input_dev(dev);       \
    return scnprintf(buf, PAGE_SIZE, "%04x\n", input_dev->id.name); \
}                                   \
static DEVICE_ATTR(name, S_IRUGO, input_dev_show_id_##name, NULL)

#define INPUT_DEV_STRING_ATTR_SHOW

(

name

)

Value:

static ssize_t input_dev_show_##name(struct device *dev,        \
                     struct device_attribute *attr, \
                     char *buf)             \
{                                   \
	struct input_dev *input_dev = to_input_dev(dev);       \
                                    \
    return scnprintf(buf, PAGE_SIZE, "%s\n",            \
             input_dev->name ? input_dev->name : "");   \
}                                   \
static DEVICE_ATTR(name, S_IRUGO, input_dev_show_##name, NULL)

#define INPUT_DO_TOGGLE	(		dev,
			type,
			bits,
			on
	)

Value:

do {                                \
        int i;                          \
		bool active;                      \
									\
		if (!test_bit(EV_##type, dev->evbit))         \
            break;                      \
									\
		for (i = 0; i < type##_MAX; i++) {            \
            if (!test_bit(i, dev->bits##bit))       \
                continue;               \
                                    \
            active = test_bit(i, dev->bits);        \
            if (!active && !on)             \
                continue;               \
                                    \
            dev->event(dev, EV_##type, i, on ? active : 0); \
        }                           \
    } while (0)

#define INPUT_FIRST_DYNAMIC_DEV   256

Definition at line 37 of file input.c.

#define INPUT_FLUSH   8

Definition at line 206 of file input.c.

#define INPUT_IGNORE_EVENT   0

Definition at line 202 of file input.c.

#define INPUT_MAX_CHAR_DEVICES   1024

Definition at line 36 of file input.c.

#define INPUT_PASS_TO_ALL   (INPUT_PASS_TO_HANDLERS | INPUT_PASS_TO_DEVICE)

Definition at line 207 of file input.c.

#define INPUT_PASS_TO_DEVICE   2

Definition at line 204 of file input.c.

#define INPUT_PASS_TO_HANDLERS   1

Definition at line 203 of file input.c.

#define INPUT_SLOT   4

Definition at line 205 of file input.c.

#define pr_fmt

(

fmt

)

KBUILD_BASENAME ": " fmt

Definition at line 13 of file input.c.

Function Documentation

MODULE_AUTHOR

(

"Vojtech Pavlik <[email protected]>"

)

MODULE_DESCRIPTION

(

"Input core"

)

MODULE_LICENSE

(

"GPL"

)