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authorJiri Kosina <jkosina@suse.cz>2020-04-01 13:32:45 +0200
committerJiri Kosina <jkosina@suse.cz>2020-04-01 13:32:45 +0200
commit4c805fb704fc7890ec6615b286f09aeb5e2603d4 (patch)
tree24f79be444c9dd3df7116037fd3bd3e17b01ebd3 /drivers/hid
parentf454d9a378a1ccb676adfa6e2449ef17e66696b5 (diff)
parent77a36a3ab4ff17fad23831192e3694a3c5a1750d (diff)
downloadlinux-4c805fb704fc7890ec6615b286f09aeb5e2603d4.tar.gz
Merge branch 'for-5.7/glorious' into for-linus
- report descriptor fix for Glorious PC Gaming Race device from Samuel Čavoj
Diffstat (limited to 'drivers/hid')
-rw-r--r--drivers/hid/Kconfig7
-rw-r--r--drivers/hid/Makefile1
-rw-r--r--drivers/hid/hid-glorious.c86
-rw-r--r--drivers/hid/hid-hyperv.c6
-rw-r--r--drivers/hid/hid-ids.h4
5 files changed, 100 insertions, 4 deletions
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 494a39e74939..945533b36010 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -362,6 +362,13 @@ config HID_GFRM
---help---
Support for Google Fiber TV Box remote controls
+config HID_GLORIOUS
+ tristate "Glorious PC Gaming Race mice"
+ depends on HID
+ help
+ Support for Glorious PC Gaming Race mice such as
+ the Glorious Model O, O- and D.
+
config HID_HOLTEK
tristate "Holtek HID devices"
depends on USB_HID
diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile
index bfefa365b1ce..be0f38dcf942 100644
--- a/drivers/hid/Makefile
+++ b/drivers/hid/Makefile
@@ -48,6 +48,7 @@ obj-$(CONFIG_HID_ELO) += hid-elo.o
obj-$(CONFIG_HID_EZKEY) += hid-ezkey.o
obj-$(CONFIG_HID_GEMBIRD) += hid-gembird.o
obj-$(CONFIG_HID_GFRM) += hid-gfrm.o
+obj-$(CONFIG_HID_GLORIOUS) += hid-glorious.o
obj-$(CONFIG_HID_GOOGLE_HAMMER) += hid-google-hammer.o
obj-$(CONFIG_HID_GT683R) += hid-gt683r.o
obj-$(CONFIG_HID_GYRATION) += hid-gyration.o
diff --git a/drivers/hid/hid-glorious.c b/drivers/hid/hid-glorious.c
new file mode 100644
index 000000000000..558eb08c19ef
--- /dev/null
+++ b/drivers/hid/hid-glorious.c
@@ -0,0 +1,86 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * USB HID driver for Glorious PC Gaming Race
+ * Glorious Model O, O- and D mice.
+ *
+ * Copyright (c) 2020 Samuel Čavoj <sammko@sammserver.com>
+ */
+
+/*
+ */
+
+#include <linux/hid.h>
+#include <linux/module.h>
+
+#include "hid-ids.h"
+
+MODULE_AUTHOR("Samuel Čavoj <sammko@sammserver.com>");
+MODULE_DESCRIPTION("HID driver for Glorious PC Gaming Race mice");
+
+/*
+ * Glorious Model O and O- specify the const flag in the consumer input
+ * report descriptor, which leads to inputs being ignored. Fix this
+ * by patching the descriptor.
+ */
+static __u8 *glorious_report_fixup(struct hid_device *hdev, __u8 *rdesc,
+ unsigned int *rsize)
+{
+ if (*rsize == 213 &&
+ rdesc[84] == 129 && rdesc[112] == 129 && rdesc[140] == 129 &&
+ rdesc[85] == 3 && rdesc[113] == 3 && rdesc[141] == 3) {
+ hid_info(hdev, "patching Glorious Model O consumer control report descriptor\n");
+ rdesc[85] = rdesc[113] = rdesc[141] = \
+ HID_MAIN_ITEM_VARIABLE | HID_MAIN_ITEM_RELATIVE;
+ }
+ return rdesc;
+}
+
+static void glorious_update_name(struct hid_device *hdev)
+{
+ const char *model = "Device";
+
+ switch (hdev->product) {
+ case USB_DEVICE_ID_GLORIOUS_MODEL_O:
+ model = "Model O"; break;
+ case USB_DEVICE_ID_GLORIOUS_MODEL_D:
+ model = "Model D"; break;
+ }
+
+ snprintf(hdev->name, sizeof(hdev->name), "%s %s", "Glorious", model);
+}
+
+static int glorious_probe(struct hid_device *hdev,
+ const struct hid_device_id *id)
+{
+ int ret;
+
+ hdev->quirks |= HID_QUIRK_INPUT_PER_APP;
+
+ ret = hid_parse(hdev);
+ if (ret)
+ return ret;
+
+ glorious_update_name(hdev);
+
+ return hid_hw_start(hdev, HID_CONNECT_DEFAULT);
+}
+
+static const struct hid_device_id glorious_devices[] = {
+ { HID_USB_DEVICE(USB_VENDOR_ID_GLORIOUS,
+ USB_DEVICE_ID_GLORIOUS_MODEL_O) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_GLORIOUS,
+ USB_DEVICE_ID_GLORIOUS_MODEL_D) },
+ { }
+};
+MODULE_DEVICE_TABLE(hid, glorious_devices);
+
+static struct hid_driver glorious_driver = {
+ .name = "glorious",
+ .id_table = glorious_devices,
+ .probe = glorious_probe,
+ .report_fixup = glorious_report_fixup
+};
+
+module_hid_driver(glorious_driver);
+
+MODULE_LICENSE("GPL");
diff --git a/drivers/hid/hid-hyperv.c b/drivers/hid/hid-hyperv.c
index dddfca555df9..0b6ee1dee625 100644
--- a/drivers/hid/hid-hyperv.c
+++ b/drivers/hid/hid-hyperv.c
@@ -193,8 +193,7 @@ static void mousevsc_on_receive_device_info(struct mousevsc_dev *input_device,
goto cleanup;
/* The pointer is not NULL when we resume from hibernation */
- if (input_device->hid_desc != NULL)
- kfree(input_device->hid_desc);
+ kfree(input_device->hid_desc);
input_device->hid_desc = kmemdup(desc, desc->bLength, GFP_ATOMIC);
if (!input_device->hid_desc)
@@ -207,8 +206,7 @@ static void mousevsc_on_receive_device_info(struct mousevsc_dev *input_device,
}
/* The pointer is not NULL when we resume from hibernation */
- if (input_device->report_desc != NULL)
- kfree(input_device->report_desc);
+ kfree(input_device->report_desc);
input_device->report_desc = kzalloc(input_device->report_desc_size,
GFP_ATOMIC);
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 9f2213426556..54474205b12c 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -464,6 +464,10 @@
#define USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_010A 0x010a
#define USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_E100 0xe100
+#define USB_VENDOR_ID_GLORIOUS 0x258a
+#define USB_DEVICE_ID_GLORIOUS_MODEL_D 0x0033
+#define USB_DEVICE_ID_GLORIOUS_MODEL_O 0x0036
+
#define I2C_VENDOR_ID_GOODIX 0x27c6
#define I2C_DEVICE_ID_GOODIX_01F0 0x01f0