usbled.c File Reference

#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/usb.h>

Go to the source code of this file.

Data Structures
struct	usb_led

Macros
#define	DRIVER_AUTHOR   "Greg Kroah-Hartman, [email protected]"
#define	DRIVER_DESC   "USB LED Driver"
#define	show_set(value)

Enumerations
enum	led_type {   LED_TYPE_RADIO, LED_TYPE_ASSOC, LED_TYPE_ACTIVITY, LED_TYPE_QUALITY,   DELCOM_VISUAL_SIGNAL_INDICATOR, DREAM_CHEEKY_WEBMAIL_NOTIFIER }

Functions
	MODULE_DEVICE_TABLE (usb, id_table)
	show_set (blue)
	show_set (red)
	show_set (green)
	module_usb_driver (led_driver)
	MODULE_AUTHOR (DRIVER_AUTHOR)
	MODULE_DESCRIPTION (DRIVER_DESC)
	MODULE_LICENSE ("GPL")

Macro Definition Documentation

#define DRIVER_AUTHOR   "Greg Kroah-Hartman, [email protected]"

Definition at line 20 of file usbled.c.

#define DRIVER_DESC   "USB LED Driver"

Definition at line 21 of file usbled.c.

#define show_set

(

value

)

Value:

static ssize_t show_##value(struct device *dev, struct device_attribute *attr,\
                char *buf)                  \
{                                   \
	struct usb_interface *intf = to_usb_interface(dev);        \
	struct usb_led *led = usb_get_intfdata(intf);          \
                                    \
    return sprintf(buf, "%d\n", led->value);            \
}                                   \
static ssize_t set_##value(struct device *dev, struct device_attribute *attr,\
               const char *buf, size_t count)       \
{                                   \
	struct usb_interface *intf = to_usb_interface(dev);        \
	struct usb_led *led = usb_get_intfdata(intf);          \
    int temp = simple_strtoul(buf, NULL, 10);           \
                                    \
    led->value = temp;                      \
    change_color(led);                      \
    return count;                           \
}                                   \
static DEVICE_ATTR(value, S_IRUGO | S_IWUSR, show_##value, set_##value);

Definition at line 117 of file usbled.c.

Enumeration Type Documentation

enum led_type

Enumerator:

LED_TYPE_RADIO
LED_TYPE_ASSOC
LED_TYPE_ACTIVITY
LED_TYPE_QUALITY
DELCOM_VISUAL_SIGNAL_INDICATOR
DREAM_CHEEKY_WEBMAIL_NOTIFIER

Definition at line 23 of file usbled.c.

Function Documentation

MODULE_AUTHOR

(

DRIVER_AUTHOR

)

MODULE_DESCRIPTION

(

DRIVER_DESC

)

MODULE_DEVICE_TABLE	(	usb	,
		id_table
	)

MODULE_LICENSE

(

"GPL"

)

module_usb_driver

(

led_driver

)

show_set

(

blue

)

show_set

(

red

)

show_set

(

green

)