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/*
* Copyright (c) 2017 Samsung Electronics Co., Ltd.
* Author: Andi Shyti <andi.shyti@samsung.com>
*
* 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.
*
* Samsung Gear VR device driver
*/
#include <linux/hidraw.h>
#include <linux/module.h>
#include "hid-ids.h"
static int gearvr_probe(struct hid_device *hdev, const struct hid_device_id *id)
{
int err;
err = hid_parse(hdev);
if (err)
return err;
err = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
if (err)
return err;
err = hid_hw_power(hdev, PM_HINT_FULLON);
if (err < 0)
goto fail_dev_stop;
err = hid_hw_open(hdev);
if (err < 0)
goto fail_power_off;
return 0;
fail_power_off:
hid_hw_power(hdev, PM_HINT_NORMAL);
fail_dev_stop:
hid_hw_stop(hdev);
return err;
}
static void gearvr_remove(struct hid_device *hdev)
{
hid_hw_close(hdev);
hid_hw_power(hdev, PM_HINT_NORMAL);
hid_hw_stop(hdev);
}
static const struct hid_device_id gearvr_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG_ELECTRONICS,
USB_DEVICE_ID_SAMSUNG_GEARVR_R320) },
{ }
};
MODULE_DEVICE_TABLE(hid, gearvr_devices);
static struct hid_driver gearvr_driver = {
.name = "gearvr",
.id_table = gearvr_devices,
.probe = gearvr_probe,
.remove = gearvr_remove,
};
module_hid_driver(gearvr_driver);
MODULE_AUTHOR("Andi Shyti <andi.shyti@samsung.com>");
MODULE_DESCRIPTION("Samsung Gear VR device driver");
MODULE_LICENSE("GPL v2");
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