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path: root/drivers/hid/hid-corsair.c
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Diffstat (limited to 'drivers/hid/hid-corsair.c')
-rw-r--r--drivers/hid/hid-corsair.c44
1 files changed, 29 insertions, 15 deletions
diff --git a/drivers/hid/hid-corsair.c b/drivers/hid/hid-corsair.c
index 9ba5d98a1180..62b99f5c3cf8 100644
--- a/drivers/hid/hid-corsair.c
+++ b/drivers/hid/hid-corsair.c
@@ -1,19 +1,19 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* HID driver for Corsair devices
*
* Supported devices:
+ * - Vengeance K70 Keyboard
+ * - K70 RAPIDFIRE Keyboard
* - Vengeance K90 Keyboard
* - Scimitar PRO RGB Gaming Mouse
*
* Copyright (c) 2015 Clement Vuchener
* Copyright (c) 2017 Oscar Campos
+ * Copyright (c) 2017 Aaron Bottegal
*/
/*
- * 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>
@@ -298,7 +298,7 @@ static ssize_t k90_show_macro_mode(struct device *dev,
goto out;
}
- ret = snprintf(buf, PAGE_SIZE, "%s\n", macro_mode);
+ ret = sysfs_emit(buf, "%s\n", macro_mode);
out:
kfree(data);
@@ -367,7 +367,7 @@ static ssize_t k90_show_current_profile(struct device *dev,
goto out;
}
- ret = snprintf(buf, PAGE_SIZE, "%d\n", current_profile);
+ ret = sysfs_emit(buf, "%d\n", current_profile);
out:
kfree(data);
@@ -553,7 +553,12 @@ static int corsair_probe(struct hid_device *dev, const struct hid_device_id *id)
int ret;
unsigned long quirks = id->driver_data;
struct corsair_drvdata *drvdata;
- struct usb_interface *usbif = to_usb_interface(dev->dev.parent);
+ struct usb_interface *usbif;
+
+ if (!hid_is_usb(dev))
+ return -EINVAL;
+
+ usbif = to_usb_interface(dev->dev.parent);
drvdata = devm_kzalloc(&dev->dev, sizeof(struct corsair_drvdata),
GFP_KERNEL);
@@ -673,7 +678,7 @@ static int corsair_input_mapping(struct hid_device *dev,
}
/*
- * The report descriptor of Corsair Scimitar RGB Pro gaming mouse is
+ * The report descriptor of some of the Corsair gaming mice is
* non parseable as they define two consecutive Logical Minimum for
* the Usage Page (Consumer) in rdescs bytes 75 and 77 being 77 0x16
* that should be obviousy 0x26 for Logical Magimum of 16 bits. This
@@ -681,23 +686,25 @@ static int corsair_input_mapping(struct hid_device *dev,
* Minimum being larger than Logical Maximum.
*
* This driver fixes the report descriptor for:
- * - USB ID b1c:1b3e, sold as Scimitar RGB Pro Gaming mouse
+ * - USB ID 1b1c:1b34, sold as GLAIVE RGB Gaming mouse
+ * - USB ID 1b1c:1b3e, sold as Scimitar RGB Pro Gaming mouse
*/
-static __u8 *corsair_mouse_report_fixup(struct hid_device *hdev, __u8 *rdesc,
- unsigned int *rsize)
+static const __u8 *corsair_mouse_report_fixup(struct hid_device *hdev,
+ __u8 *rdesc, unsigned int *rsize)
{
struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
if (intf->cur_altsetting->desc.bInterfaceNumber == 1) {
/*
- * Corsair Scimitar RGB Pro report descriptor is broken and
- * defines two different Logical Minimum for the Consumer
- * Application. The byte 77 should be a 0x26 defining a 16
- * bits integer for the Logical Maximum but it is a 0x16
+ * Corsair GLAIVE RGB and Scimitar RGB Pro report descriptor is
+ * broken and defines two different Logical Minimum for the
+ * Consumer Application. The byte 77 should be a 0x26 defining
+ * a 16 bits integer for the Logical Maximum but it is a 0x16
* instead (Logical Minimum)
*/
switch (hdev->product) {
+ case USB_DEVICE_ID_CORSAIR_GLAIVE_RGB:
case USB_DEVICE_ID_CORSAIR_SCIMITAR_PRO_RGB:
if (*rsize >= 172 && rdesc[75] == 0x15 && rdesc[77] == 0x16
&& rdesc[78] == 0xff && rdesc[79] == 0x0f) {
@@ -716,7 +723,14 @@ static const struct hid_device_id corsair_devices[] = {
.driver_data = CORSAIR_USE_K90_MACRO |
CORSAIR_USE_K90_BACKLIGHT },
{ HID_USB_DEVICE(USB_VENDOR_ID_CORSAIR,
+ USB_DEVICE_ID_CORSAIR_GLAIVE_RGB) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_CORSAIR,
USB_DEVICE_ID_CORSAIR_SCIMITAR_PRO_RGB) },
+ /*
+ * Vengeance K70 and K70 RAPIDFIRE share product IDs.
+ */
+ { HID_USB_DEVICE(USB_VENDOR_ID_CORSAIR,
+ USB_DEVICE_ID_CORSAIR_K70R) },
{}
};