linux/drivers/hid/hid-gt683r.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * MSI GT683R led driver
 *
 * Copyright (c) 2014 Janne Kanniainen <[email protected]>
 */

#include <linux/device.h>
#include <linux/hid.h>
#include <linux/kernel.h>
#include <linux/leds.h>
#include <linux/module.h>

#include "hid-ids.h"

#define GT683R_BUFFER_SIZE …

/*
 * GT683R_LED_OFF: all LEDs are off
 * GT683R_LED_AUDIO: LEDs brightness depends on sound level
 * GT683R_LED_BREATHING: LEDs brightness varies at human breathing rate
 * GT683R_LED_NORMAL: LEDs are fully on when enabled
 */
enum gt683r_led_mode { … };

enum gt683r_panels { … };

static const char * const gt683r_panel_names[] = …;

struct gt683r_led { … };

static const struct hid_device_id gt683r_led_id[] = …;
MODULE_DEVICE_TABLE(hid, gt683r_led_id);

static void gt683r_brightness_set(struct led_classdev *led_cdev,
				enum led_brightness brightness)
{ … }

static ssize_t mode_show(struct device *dev,
				struct device_attribute *attr,
				char *buf)
{ … }

static ssize_t mode_store(struct device *dev,
				struct device_attribute *attr,
				const char *buf, size_t count)
{ … }

static int gt683r_led_snd_msg(struct gt683r_led *led, u8 *msg)
{ … }

static int gt683r_leds_set(struct gt683r_led *led, u8 leds)
{ … }

static int gt683r_mode_set(struct gt683r_led *led, u8 mode)
{ … }

static void gt683r_led_work(struct work_struct *work)
{ … }

static DEVICE_ATTR_RW(mode);

static struct attribute *gt683r_led_attrs[] = …;

static const struct attribute_group gt683r_led_group = …;

static const struct attribute_group *gt683r_led_groups[] = …;

static int gt683r_led_probe(struct hid_device *hdev,
			const struct hid_device_id *id)
{ … }

static void gt683r_led_remove(struct hid_device *hdev)
{ … }

static struct hid_driver gt683r_led_driver = …;

module_hid_driver(…) …;

MODULE_AUTHOR(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;