mirror of
https://github.com/torvalds/linux.git
synced 2024-11-07 04:32:03 +00:00
1edd5b42a6
Removed analog feature report enums and modified code in roccat_common to reflect this. Non standard conform Kone got its own copy of the old code. That helps extracting more generalizations for newer devices. Signed-off-by: Stefan Achatz <erazor_de@users.sourceforge.net> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
71 lines
1.8 KiB
C
71 lines
1.8 KiB
C
/*
|
|
* Roccat common functions for device specific drivers
|
|
*
|
|
* Copyright (c) 2011 Stefan Achatz <erazor_de@users.sourceforge.net>
|
|
*/
|
|
|
|
/*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License as published by the Free
|
|
* Software Foundation; either version 2 of the License, or (at your option)
|
|
* any later version.
|
|
*/
|
|
|
|
#include <linux/hid.h>
|
|
#include <linux/slab.h>
|
|
#include "hid-roccat-common.h"
|
|
|
|
static inline uint16_t roccat_common_feature_report(uint8_t report_id)
|
|
{
|
|
return 0x300 | report_id;
|
|
}
|
|
|
|
int roccat_common_receive(struct usb_device *usb_dev, uint report_id,
|
|
void *data, uint size)
|
|
{
|
|
char *buf;
|
|
int len;
|
|
|
|
buf = kmalloc(size, GFP_KERNEL);
|
|
if (buf == NULL)
|
|
return -ENOMEM;
|
|
|
|
len = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0),
|
|
HID_REQ_GET_REPORT,
|
|
USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN,
|
|
roccat_common_feature_report(report_id),
|
|
0, buf, size, USB_CTRL_SET_TIMEOUT);
|
|
|
|
memcpy(data, buf, size);
|
|
kfree(buf);
|
|
return ((len < 0) ? len : ((len != size) ? -EIO : 0));
|
|
}
|
|
EXPORT_SYMBOL_GPL(roccat_common_receive);
|
|
|
|
int roccat_common_send(struct usb_device *usb_dev, uint report_id,
|
|
void const *data, uint size)
|
|
{
|
|
char *buf;
|
|
int len;
|
|
|
|
buf = kmalloc(size, GFP_KERNEL);
|
|
if (buf == NULL)
|
|
return -ENOMEM;
|
|
|
|
memcpy(buf, data, size);
|
|
|
|
len = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0),
|
|
HID_REQ_SET_REPORT,
|
|
USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT,
|
|
roccat_common_feature_report(report_id),
|
|
0, buf, size, USB_CTRL_SET_TIMEOUT);
|
|
|
|
kfree(buf);
|
|
return ((len < 0) ? len : ((len != size) ? -EIO : 0));
|
|
}
|
|
EXPORT_SYMBOL_GPL(roccat_common_send);
|
|
|
|
MODULE_AUTHOR("Stefan Achatz");
|
|
MODULE_DESCRIPTION("USB Roccat common driver");
|
|
MODULE_LICENSE("GPL v2");
|