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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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HID: corsair-void: Add Corsair Void headset family driver
Introduce a driver for the Corsair Void family of headsets, supporting: - Battery reporting (power_supply) - Sidetone setting support - Physical microphone location reporting - Headset and receiver firmware version reporting - Built-in alert triggering - USB wireless_status Tested with a Void Pro Wireless, Void Elite Wireless and a Void Elite Wired Signed-off-by: Stuart Hayhurst <stuart.a.hayhurst@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.com>
This commit is contained in:
Stuart Hayhurst
Jiri Kosina
parent
f23aa4c076
commit
6ea2a6fd38
38
Documentation/ABI/testing/sysfs-driver-hid-corsair-void
Normal file
38
Documentation/ABI/testing/sysfs-driver-hid-corsair-void
Normal file
@ -0,0 +1,38 @@
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What: /sys/bus/hid/drivers/hid-corsair-void/<dev>/fw_version_headset
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Date: January 2024
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KernelVersion: 6.13
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Contact: Stuart Hayhurst <stuart.a.hayhurst@gmail.com>
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Description: (R) The firmware version of the headset
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* Returns -ENODATA if no version was reported
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What: /sys/bus/hid/drivers/hid-corsair-void/<dev>/fw_version_receiver
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Date: January 2024
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KernelVersion: 6.13
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Contact: Stuart Hayhurst <stuart.a.hayhurst@gmail.com>
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Description: (R) The firmware version of the receiver
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What: /sys/bus/hid/drivers/hid-corsair-void/<dev>/microphone_up
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Date: July 2023
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KernelVersion: 6.13
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Contact: Stuart Hayhurst <stuart.a.hayhurst@gmail.com>
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Description: (R) Get the physical position of the microphone
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* 1 -> Microphone up
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* 0 -> Microphone down
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What: /sys/bus/hid/drivers/hid-corsair-void/<dev>/send_alert
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Date: July 2023
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KernelVersion: 6.13
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Contact: Stuart Hayhurst <stuart.a.hayhurst@gmail.com>
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Description: (W) Play a built-in notification from the headset (0 / 1)
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What: /sys/bus/hid/drivers/hid-corsair-void/<dev>/set_sidetone
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Date: December 2023
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KernelVersion: 6.13
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Contact: Stuart Hayhurst <stuart.a.hayhurst@gmail.com>
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Description: (W) Set the sidetone volume (0 - sidetone_max)
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What: /sys/bus/hid/drivers/hid-corsair-void/<dev>/sidetone_max
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Date: July 2024
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KernelVersion: 6.13
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Contact: Stuart Hayhurst <stuart.a.hayhurst@gmail.com>
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Description: (R) Report the maximum sidetone volume
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@ -213,13 +213,16 @@ config HID_CHICONY
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config HID_CORSAIR
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config HID_CORSAIR
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tristate "Corsair devices"
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tristate "Corsair devices"
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depends on USB_HID && LEDS_CLASS
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depends on USB_HID && LEDS_CLASS
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select POWER_SUPPLY
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help
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help
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Support for Corsair devices that are not fully compliant with the
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Support for Corsair devices that are not fully compliant with the
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HID standard.
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HID standard.
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Support for Corsair Void headsets.
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Supported devices:
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Supported devices:
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- Vengeance K90
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- Vengeance K90
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- Scimitar PRO RGB
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- Scimitar PRO RGB
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- Corsair Void headsets
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config HID_COUGAR
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config HID_COUGAR
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tristate "Cougar devices"
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tristate "Cougar devices"
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@ -38,7 +38,7 @@ obj-$(CONFIG_HID_BIGBEN_FF) += hid-bigbenff.o
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obj-$(CONFIG_HID_CHERRY) += hid-cherry.o
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obj-$(CONFIG_HID_CHERRY) += hid-cherry.o
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obj-$(CONFIG_HID_CHICONY) += hid-chicony.o
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obj-$(CONFIG_HID_CHICONY) += hid-chicony.o
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obj-$(CONFIG_HID_CMEDIA) += hid-cmedia.o
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obj-$(CONFIG_HID_CMEDIA) += hid-cmedia.o
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obj-$(CONFIG_HID_CORSAIR) += hid-corsair.o
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obj-$(CONFIG_HID_CORSAIR) += hid-corsair.o hid-corsair-void.o
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obj-$(CONFIG_HID_COUGAR) += hid-cougar.o
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obj-$(CONFIG_HID_COUGAR) += hid-cougar.o
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obj-$(CONFIG_HID_CP2112) += hid-cp2112.o
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obj-$(CONFIG_HID_CP2112) += hid-cp2112.o
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obj-$(CONFIG_HID_CYPRESS) += hid-cypress.o
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obj-$(CONFIG_HID_CYPRESS) += hid-cypress.o
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829
drivers/hid/hid-corsair-void.c
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829
drivers/hid/hid-corsair-void.c
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@ -0,0 +1,829 @@
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// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* HID driver for Corsair Void headsets
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*
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* Copyright (C) 2023-2024 Stuart Hayhurst
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*/
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/* -------------------------------------------------------------------------- */
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/* Receiver report information: (ID 100) */
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/* -------------------------------------------------------------------------- */
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/*
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* When queried, the receiver reponds with 5 bytes to describe the battery
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* The power button, mute button and moving the mic also trigger this report
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* This includes power button + mic + connection + battery status and capacity
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* The information below may not be perfect, it's been gathered through guesses
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*
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* 0: REPORT ID
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* 100 for the battery packet
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*
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* 1: POWER BUTTON + (?)
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* Largest bit is 1 when power button pressed
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*
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* 2: BATTERY CAPACITY + MIC STATUS
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* Battery capacity:
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* Seems to report ~54 higher than reality when charging
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* Capped at 100, charging or not
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* Microphone status:
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* Largest bit is set to 1 when the mic is physically up
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* No bits change when the mic is muted, only when physically moved
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* This report is sent every time the mic is moved, no polling required
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*
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* 3: CONNECTION STATUS
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* 16: Wired headset
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* 38: Initialising
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* 49: Lost connection
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* 51: Disconnected, searching
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* 52: Disconnected, not searching
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* 177: Normal
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*
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* 4: BATTERY STATUS
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* 0: Disconnected
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* 1: Normal
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* 2: Low
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* 3: Critical - sent during shutdown
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* 4: Fully charged
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* 5: Charging
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*/
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/* -------------------------------------------------------------------------- */
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/* -------------------------------------------------------------------------- */
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/* Receiver report information: (ID 102) */
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/* -------------------------------------------------------------------------- */
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/*
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* When queried, the recevier responds with 4 bytes to describe the firmware
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* The first 2 bytes are for the receiver, the second 2 are the headset
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* The headset firmware version will be 0 if no headset is connected
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*
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* 0: Recevier firmware major version
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* Major version of the receiver's firmware
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*
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* 1: Recevier firmware minor version
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* Minor version of the receiver's firmware
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*
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* 2: Headset firmware major version
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* Major version of the headset's firmware
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*
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* 3: Headset firmware minor version
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* Minor version of the headset's firmware
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*/
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/* -------------------------------------------------------------------------- */
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#include <linux/bitfield.h>
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#include <linux/bitops.h>
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#include <linux/cleanup.h>
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#include <linux/device.h>
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#include <linux/hid.h>
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#include <linux/module.h>
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#include <linux/mutex.h>
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#include <linux/power_supply.h>
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#include <linux/usb.h>
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#include <linux/workqueue.h>
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#include <asm/byteorder.h>
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#include "hid-ids.h"
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#define CORSAIR_VOID_DEVICE(id, type) { HID_USB_DEVICE(USB_VENDOR_ID_CORSAIR, (id)), \
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.driver_data = (type) }
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#define CORSAIR_VOID_WIRELESS_DEVICE(id) CORSAIR_VOID_DEVICE((id), CORSAIR_VOID_WIRELESS)
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#define CORSAIR_VOID_WIRED_DEVICE(id) CORSAIR_VOID_DEVICE((id), CORSAIR_VOID_WIRED)
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#define CORSAIR_VOID_STATUS_REQUEST_ID 0xC9
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#define CORSAIR_VOID_NOTIF_REQUEST_ID 0xCA
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#define CORSAIR_VOID_SIDETONE_REQUEST_ID 0xFF
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#define CORSAIR_VOID_STATUS_REPORT_ID 0x64
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#define CORSAIR_VOID_FIRMWARE_REPORT_ID 0x66
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#define CORSAIR_VOID_USB_SIDETONE_REQUEST 0x1
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#define CORSAIR_VOID_USB_SIDETONE_REQUEST_TYPE 0x21
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#define CORSAIR_VOID_USB_SIDETONE_VALUE 0x200
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#define CORSAIR_VOID_USB_SIDETONE_INDEX 0xB00
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#define CORSAIR_VOID_MIC_MASK GENMASK(7, 7)
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#define CORSAIR_VOID_CAPACITY_MASK GENMASK(6, 0)
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#define CORSAIR_VOID_WIRELESS_CONNECTED 177
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#define CORSAIR_VOID_SIDETONE_MAX_WIRELESS 55
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#define CORSAIR_VOID_SIDETONE_MAX_WIRED 4096
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enum {
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CORSAIR_VOID_WIRELESS,
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CORSAIR_VOID_WIRED,
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};
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enum {
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CORSAIR_VOID_BATTERY_NORMAL = 1,
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CORSAIR_VOID_BATTERY_LOW = 2,
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CORSAIR_VOID_BATTERY_CRITICAL = 3,
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CORSAIR_VOID_BATTERY_CHARGED = 4,
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CORSAIR_VOID_BATTERY_CHARGING = 5,
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};
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static enum power_supply_property corsair_void_battery_props[] = {
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POWER_SUPPLY_PROP_STATUS,
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POWER_SUPPLY_PROP_PRESENT,
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POWER_SUPPLY_PROP_CAPACITY,
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POWER_SUPPLY_PROP_CAPACITY_LEVEL,
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POWER_SUPPLY_PROP_SCOPE,
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POWER_SUPPLY_PROP_MODEL_NAME,
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POWER_SUPPLY_PROP_MANUFACTURER,
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};
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struct corsair_void_battery_data {
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int status;
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bool present;
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int capacity;
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int capacity_level;
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};
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struct corsair_void_drvdata {
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struct hid_device *hid_dev;
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struct device *dev;
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char *name;
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bool is_wired;
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unsigned int sidetone_max;
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struct corsair_void_battery_data battery_data;
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bool mic_up;
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bool connected;
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int fw_receiver_major;
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int fw_receiver_minor;
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int fw_headset_major;
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int fw_headset_minor;
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struct power_supply *battery;
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struct power_supply_desc battery_desc;
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struct mutex battery_mutex;
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struct delayed_work delayed_status_work;
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struct delayed_work delayed_firmware_work;
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struct work_struct battery_remove_work;
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struct work_struct battery_add_work;
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};
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/*
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* Functions to process receiver data
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*/
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static void corsair_void_set_wireless_status(struct corsair_void_drvdata *drvdata)
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{
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struct usb_interface *usb_if = to_usb_interface(drvdata->dev->parent);
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if (drvdata->is_wired)
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return;
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usb_set_wireless_status(usb_if, drvdata->connected ?
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USB_WIRELESS_STATUS_CONNECTED :
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USB_WIRELESS_STATUS_DISCONNECTED);
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}
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static void corsair_void_set_unknown_batt(struct corsair_void_drvdata *drvdata)
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{
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struct corsair_void_battery_data *battery_data = &drvdata->battery_data;
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battery_data->status = POWER_SUPPLY_STATUS_UNKNOWN;
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battery_data->present = false;
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battery_data->capacity = 0;
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battery_data->capacity_level = POWER_SUPPLY_CAPACITY_LEVEL_UNKNOWN;
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}
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/* Reset data that may change between wireless connections */
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static void corsair_void_set_unknown_wireless_data(struct corsair_void_drvdata *drvdata)
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{
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/* Only 0 out headset, receiver is always known if relevant */
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drvdata->fw_headset_major = 0;
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drvdata->fw_headset_minor = 0;
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drvdata->connected = false;
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drvdata->mic_up = false;
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corsair_void_set_wireless_status(drvdata);
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}
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static void corsair_void_process_receiver(struct corsair_void_drvdata *drvdata,
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int raw_battery_capacity,
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int raw_connection_status,
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int raw_battery_status)
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{
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struct corsair_void_battery_data *battery_data = &drvdata->battery_data;
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struct corsair_void_battery_data orig_battery_data;
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/* Save initial battery data, to compare later */
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orig_battery_data = *battery_data;
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/* Headset not connected, or it's wired */
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if (raw_connection_status != CORSAIR_VOID_WIRELESS_CONNECTED)
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goto unknown_battery;
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/* Battery information unavailable */
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if (raw_battery_status == 0)
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goto unknown_battery;
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/* Battery must be connected then */
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battery_data->present = true;
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battery_data->capacity_level = POWER_SUPPLY_CAPACITY_LEVEL_NORMAL;
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/* Set battery status */
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switch (raw_battery_status) {
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case CORSAIR_VOID_BATTERY_NORMAL:
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case CORSAIR_VOID_BATTERY_LOW:
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case CORSAIR_VOID_BATTERY_CRITICAL:
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battery_data->status = POWER_SUPPLY_STATUS_DISCHARGING;
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if (raw_battery_status == CORSAIR_VOID_BATTERY_LOW)
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battery_data->capacity_level = POWER_SUPPLY_CAPACITY_LEVEL_LOW;
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else if (raw_battery_status == CORSAIR_VOID_BATTERY_CRITICAL)
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battery_data->capacity_level = POWER_SUPPLY_CAPACITY_LEVEL_CRITICAL;
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break;
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case CORSAIR_VOID_BATTERY_CHARGED:
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battery_data->status = POWER_SUPPLY_STATUS_FULL;
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break;
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case CORSAIR_VOID_BATTERY_CHARGING:
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battery_data->status = POWER_SUPPLY_STATUS_CHARGING;
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break;
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default:
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hid_warn(drvdata->hid_dev, "unknown battery status '%d'",
|
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raw_battery_status);
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goto unknown_battery;
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break;
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}
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battery_data->capacity = raw_battery_capacity;
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corsair_void_set_wireless_status(drvdata);
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goto success;
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unknown_battery:
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corsair_void_set_unknown_batt(drvdata);
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|
success:
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/* Inform power supply if battery values changed */
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if (memcmp(&orig_battery_data, battery_data, sizeof(*battery_data))) {
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scoped_guard(mutex, &drvdata->battery_mutex) {
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if (drvdata->battery) {
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power_supply_changed(drvdata->battery);
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}
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}
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}
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}
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/*
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* Functions to report stored data
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*/
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static int corsair_void_battery_get_property(struct power_supply *psy,
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enum power_supply_property prop,
|
||||||
|
union power_supply_propval *val)
|
||||||
|
{
|
||||||
|
struct corsair_void_drvdata *drvdata = power_supply_get_drvdata(psy);
|
||||||
|
|
||||||
|
switch (prop) {
|
||||||
|
case POWER_SUPPLY_PROP_SCOPE:
|
||||||
|
val->intval = POWER_SUPPLY_SCOPE_DEVICE;
|
||||||
|
break;
|
||||||
|
case POWER_SUPPLY_PROP_MODEL_NAME:
|
||||||
|
if (!strncmp(drvdata->hid_dev->name, "Corsair ", 8))
|
||||||
|
val->strval = drvdata->hid_dev->name + 8;
|
||||||
|
else
|
||||||
|
val->strval = drvdata->hid_dev->name;
|
||||||
|
break;
|
||||||
|
case POWER_SUPPLY_PROP_MANUFACTURER:
|
||||||
|
val->strval = "Corsair";
|
||||||
|
break;
|
||||||
|
case POWER_SUPPLY_PROP_STATUS:
|
||||||
|
val->intval = drvdata->battery_data.status;
|
||||||
|
break;
|
||||||
|
case POWER_SUPPLY_PROP_PRESENT:
|
||||||
|
val->intval = drvdata->battery_data.present;
|
||||||
|
break;
|
||||||
|
case POWER_SUPPLY_PROP_CAPACITY:
|
||||||
|
val->intval = drvdata->battery_data.capacity;
|
||||||
|
break;
|
||||||
|
case POWER_SUPPLY_PROP_CAPACITY_LEVEL:
|
||||||
|
val->intval = drvdata->battery_data.capacity_level;
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
return -EINVAL;
|
||||||
|
}
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static ssize_t microphone_up_show(struct device *dev,
|
||||||
|
struct device_attribute *attr, char *buf)
|
||||||
|
{
|
||||||
|
struct corsair_void_drvdata *drvdata = dev_get_drvdata(dev);
|
||||||
|
|
||||||
|
if (!drvdata->connected)
|
||||||
|
return -ENODEV;
|
||||||
|
|
||||||
|
return sysfs_emit(buf, "%d\n", drvdata->mic_up);
|
||||||
|
}
|
||||||
|
|
||||||
|
static ssize_t fw_version_receiver_show(struct device *dev,
|
||||||
|
struct device_attribute *attr,
|
||||||
|
char *buf)
|
||||||
|
{
|
||||||
|
struct corsair_void_drvdata *drvdata = dev_get_drvdata(dev);
|
||||||
|
|
||||||
|
if (drvdata->fw_receiver_major == 0 && drvdata->fw_receiver_minor == 0)
|
||||||
|
return -ENODATA;
|
||||||
|
|
||||||
|
return sysfs_emit(buf, "%d.%02d\n", drvdata->fw_receiver_major,
|
||||||
|
drvdata->fw_receiver_minor);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
static ssize_t fw_version_headset_show(struct device *dev,
|
||||||
|
struct device_attribute *attr,
|
||||||
|
char *buf)
|
||||||
|
{
|
||||||
|
struct corsair_void_drvdata *drvdata = dev_get_drvdata(dev);
|
||||||
|
|
||||||
|
if (drvdata->fw_headset_major == 0 && drvdata->fw_headset_minor == 0)
|
||||||
|
return -ENODATA;
|
||||||
|
|
||||||
|
return sysfs_emit(buf, "%d.%02d\n", drvdata->fw_headset_major,
|
||||||
|
drvdata->fw_headset_minor);
|
||||||
|
}
|
||||||
|
|
||||||
|
static ssize_t sidetone_max_show(struct device *dev,
|
||||||
|
struct device_attribute *attr,
|
||||||
|
char *buf)
|
||||||
|
{
|
||||||
|
struct corsair_void_drvdata *drvdata = dev_get_drvdata(dev);
|
||||||
|
|
||||||
|
return sysfs_emit(buf, "%d\n", drvdata->sidetone_max);
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Functions to send data to headset
|
||||||
|
*/
|
||||||
|
|
||||||
|
static ssize_t send_alert_store(struct device *dev,
|
||||||
|
struct device_attribute *attr,
|
||||||
|
const char *buf, size_t count)
|
||||||
|
{
|
||||||
|
struct corsair_void_drvdata *drvdata = dev_get_drvdata(dev);
|
||||||
|
struct hid_device *hid_dev = drvdata->hid_dev;
|
||||||
|
unsigned char alert_id;
|
||||||
|
unsigned char *send_buf __free(kfree) = NULL;
|
||||||
|
int ret;
|
||||||
|
|
||||||
|
if (!drvdata->connected || drvdata->is_wired)
|
||||||
|
return -ENODEV;
|
||||||
|
|
||||||
|
/* Only accept 0 or 1 for alert ID */
|
||||||
|
if (kstrtou8(buf, 10, &alert_id) || alert_id >= 2)
|
||||||
|
return -EINVAL;
|
||||||
|
|
||||||
|
send_buf = kmalloc(3, GFP_KERNEL);
|
||||||
|
if (!send_buf)
|
||||||
|
return -ENOMEM;
|
||||||
|
|
||||||
|
/* Packet format to send alert with ID alert_id */
|
||||||
|
send_buf[0] = CORSAIR_VOID_NOTIF_REQUEST_ID;
|
||||||
|
send_buf[1] = 0x02;
|
||||||
|
send_buf[2] = alert_id;
|
||||||
|
|
||||||
|
ret = hid_hw_raw_request(hid_dev, CORSAIR_VOID_NOTIF_REQUEST_ID,
|
||||||
|
send_buf, 3, HID_OUTPUT_REPORT,
|
||||||
|
HID_REQ_SET_REPORT);
|
||||||
|
if (ret < 0)
|
||||||
|
hid_warn(hid_dev, "failed to send alert request (reason: %d)",
|
||||||
|
ret);
|
||||||
|
else
|
||||||
|
ret = count;
|
||||||
|
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int corsair_void_set_sidetone_wired(struct device *dev, const char *buf,
|
||||||
|
unsigned int sidetone)
|
||||||
|
{
|
||||||
|
struct usb_interface *usb_if = to_usb_interface(dev->parent);
|
||||||
|
struct usb_device *usb_dev = interface_to_usbdev(usb_if);
|
||||||
|
|
||||||
|
/* Packet format to set sidetone for wired headsets */
|
||||||
|
__le16 sidetone_le = cpu_to_le16(sidetone);
|
||||||
|
|
||||||
|
return usb_control_msg_send(usb_dev, 0,
|
||||||
|
CORSAIR_VOID_USB_SIDETONE_REQUEST,
|
||||||
|
CORSAIR_VOID_USB_SIDETONE_REQUEST_TYPE,
|
||||||
|
CORSAIR_VOID_USB_SIDETONE_VALUE,
|
||||||
|
CORSAIR_VOID_USB_SIDETONE_INDEX,
|
||||||
|
&sidetone_le, 2, USB_CTRL_SET_TIMEOUT,
|
||||||
|
GFP_KERNEL);
|
||||||
|
}
|
||||||
|
|
||||||
|
static int corsair_void_set_sidetone_wireless(struct device *dev,
|
||||||
|
const char *buf,
|
||||||
|
unsigned char sidetone)
|
||||||
|
{
|
||||||
|
struct corsair_void_drvdata *drvdata = dev_get_drvdata(dev);
|
||||||
|
struct hid_device *hid_dev = drvdata->hid_dev;
|
||||||
|
unsigned char *send_buf __free(kfree) = NULL;
|
||||||
|
|
||||||
|
send_buf = kmalloc(12, GFP_KERNEL);
|
||||||
|
if (!send_buf)
|
||||||
|
return -ENOMEM;
|
||||||
|
|
||||||
|
/* Packet format to set sidetone for wireless headsets */
|
||||||
|
send_buf[0] = CORSAIR_VOID_SIDETONE_REQUEST_ID;
|
||||||
|
send_buf[1] = 0x0B;
|
||||||
|
send_buf[2] = 0x00;
|
||||||
|
send_buf[3] = 0xFF;
|
||||||
|
send_buf[4] = 0x04;
|
||||||
|
send_buf[5] = 0x0E;
|
||||||
|
send_buf[6] = 0xFF;
|
||||||
|
send_buf[7] = 0x05;
|
||||||
|
send_buf[8] = 0x01;
|
||||||
|
send_buf[9] = 0x04;
|
||||||
|
send_buf[10] = 0x00;
|
||||||
|
send_buf[11] = sidetone + 200;
|
||||||
|
|
||||||
|
return hid_hw_raw_request(hid_dev, CORSAIR_VOID_SIDETONE_REQUEST_ID,
|
||||||
|
send_buf, 12, HID_FEATURE_REPORT,
|
||||||
|
HID_REQ_SET_REPORT);
|
||||||
|
}
|
||||||
|
|
||||||
|
static ssize_t set_sidetone_store(struct device *dev,
|
||||||
|
struct device_attribute *attr,
|
||||||
|
const char *buf, size_t count)
|
||||||
|
{
|
||||||
|
struct corsair_void_drvdata *drvdata = dev_get_drvdata(dev);
|
||||||
|
struct hid_device *hid_dev = drvdata->hid_dev;
|
||||||
|
unsigned int sidetone;
|
||||||
|
int ret;
|
||||||
|
|
||||||
|
if (!drvdata->connected)
|
||||||
|
return -ENODEV;
|
||||||
|
|
||||||
|
/* sidetone must be between 0 and drvdata->sidetone_max inclusive */
|
||||||
|
if (kstrtouint(buf, 10, &sidetone) || sidetone > drvdata->sidetone_max)
|
||||||
|
return -EINVAL;
|
||||||
|
|
||||||
|
if (drvdata->is_wired)
|
||||||
|
ret = corsair_void_set_sidetone_wired(dev, buf, sidetone);
|
||||||
|
else
|
||||||
|
ret = corsair_void_set_sidetone_wireless(dev, buf, sidetone);
|
||||||
|
|
||||||
|
if (ret < 0)
|
||||||
|
hid_warn(hid_dev, "failed to send sidetone (reason: %d)", ret);
|
||||||
|
else
|
||||||
|
ret = count;
|
||||||
|
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int corsair_void_request_status(struct hid_device *hid_dev, int id)
|
||||||
|
{
|
||||||
|
unsigned char *send_buf __free(kfree) = NULL;
|
||||||
|
|
||||||
|
send_buf = kmalloc(2, GFP_KERNEL);
|
||||||
|
if (!send_buf)
|
||||||
|
return -ENOMEM;
|
||||||
|
|
||||||
|
/* Packet format to request data item (status / firmware) refresh */
|
||||||
|
send_buf[0] = CORSAIR_VOID_STATUS_REQUEST_ID;
|
||||||
|
send_buf[1] = id;
|
||||||
|
|
||||||
|
/* Send request for data refresh */
|
||||||
|
return hid_hw_raw_request(hid_dev, CORSAIR_VOID_STATUS_REQUEST_ID,
|
||||||
|
send_buf, 2, HID_OUTPUT_REPORT,
|
||||||
|
HID_REQ_SET_REPORT);
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Headset connect / disconnect handlers and work handlers
|
||||||
|
*/
|
||||||
|
|
||||||
|
static void corsair_void_status_work_handler(struct work_struct *work)
|
||||||
|
{
|
||||||
|
struct corsair_void_drvdata *drvdata;
|
||||||
|
struct delayed_work *delayed_work;
|
||||||
|
int battery_ret;
|
||||||
|
|
||||||
|
delayed_work = container_of(work, struct delayed_work, work);
|
||||||
|
drvdata = container_of(delayed_work, struct corsair_void_drvdata,
|
||||||
|
delayed_status_work);
|
||||||
|
|
||||||
|
battery_ret = corsair_void_request_status(drvdata->hid_dev,
|
||||||
|
CORSAIR_VOID_STATUS_REPORT_ID);
|
||||||
|
if (battery_ret < 0) {
|
||||||
|
hid_warn(drvdata->hid_dev,
|
||||||
|
"failed to request battery (reason: %d)", battery_ret);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static void corsair_void_firmware_work_handler(struct work_struct *work)
|
||||||
|
{
|
||||||
|
struct corsair_void_drvdata *drvdata;
|
||||||
|
struct delayed_work *delayed_work;
|
||||||
|
int firmware_ret;
|
||||||
|
|
||||||
|
delayed_work = container_of(work, struct delayed_work, work);
|
||||||
|
drvdata = container_of(delayed_work, struct corsair_void_drvdata,
|
||||||
|
delayed_firmware_work);
|
||||||
|
|
||||||
|
firmware_ret = corsair_void_request_status(drvdata->hid_dev,
|
||||||
|
CORSAIR_VOID_FIRMWARE_REPORT_ID);
|
||||||
|
if (firmware_ret < 0) {
|
||||||
|
hid_warn(drvdata->hid_dev,
|
||||||
|
"failed to request firmware (reason: %d)", firmware_ret);
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
static void corsair_void_battery_remove_work_handler(struct work_struct *work)
|
||||||
|
{
|
||||||
|
struct corsair_void_drvdata *drvdata;
|
||||||
|
|
||||||
|
drvdata = container_of(work, struct corsair_void_drvdata,
|
||||||
|
battery_remove_work);
|
||||||
|
scoped_guard(mutex, &drvdata->battery_mutex) {
|
||||||
|
if (drvdata->battery) {
|
||||||
|
power_supply_unregister(drvdata->battery);
|
||||||
|
drvdata->battery = NULL;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static void corsair_void_battery_add_work_handler(struct work_struct *work)
|
||||||
|
{
|
||||||
|
struct corsair_void_drvdata *drvdata;
|
||||||
|
struct power_supply_config psy_cfg;
|
||||||
|
struct power_supply *new_supply;
|
||||||
|
|
||||||
|
drvdata = container_of(work, struct corsair_void_drvdata,
|
||||||
|
battery_add_work);
|
||||||
|
guard(mutex)(&drvdata->battery_mutex);
|
||||||
|
if (drvdata->battery)
|
||||||
|
return;
|
||||||
|
|
||||||
|
psy_cfg.drv_data = drvdata;
|
||||||
|
new_supply = power_supply_register(drvdata->dev,
|
||||||
|
&drvdata->battery_desc,
|
||||||
|
&psy_cfg);
|
||||||
|
|
||||||
|
if (IS_ERR(new_supply)) {
|
||||||
|
hid_err(drvdata->hid_dev,
|
||||||
|
"failed to register battery '%s' (reason: %ld)\n",
|
||||||
|
drvdata->battery_desc.name,
|
||||||
|
PTR_ERR(new_supply));
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (power_supply_powers(new_supply, drvdata->dev)) {
|
||||||
|
power_supply_unregister(new_supply);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
drvdata->battery = new_supply;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void corsair_void_headset_connected(struct corsair_void_drvdata *drvdata)
|
||||||
|
{
|
||||||
|
schedule_work(&drvdata->battery_add_work);
|
||||||
|
schedule_delayed_work(&drvdata->delayed_firmware_work,
|
||||||
|
msecs_to_jiffies(100));
|
||||||
|
}
|
||||||
|
|
||||||
|
static void corsair_void_headset_disconnected(struct corsair_void_drvdata *drvdata)
|
||||||
|
{
|
||||||
|
schedule_work(&drvdata->battery_remove_work);
|
||||||
|
|
||||||
|
corsair_void_set_unknown_wireless_data(drvdata);
|
||||||
|
corsair_void_set_unknown_batt(drvdata);
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Driver setup, probing and HID event handling
|
||||||
|
*/
|
||||||
|
|
||||||
|
static DEVICE_ATTR_RO(fw_version_receiver);
|
||||||
|
static DEVICE_ATTR_RO(fw_version_headset);
|
||||||
|
static DEVICE_ATTR_RO(microphone_up);
|
||||||
|
static DEVICE_ATTR_RO(sidetone_max);
|
||||||
|
|
||||||
|
static DEVICE_ATTR_WO(send_alert);
|
||||||
|
static DEVICE_ATTR_WO(set_sidetone);
|
||||||
|
|
||||||
|
static struct attribute *corsair_void_attrs[] = {
|
||||||
|
&dev_attr_fw_version_receiver.attr,
|
||||||
|
&dev_attr_fw_version_headset.attr,
|
||||||
|
&dev_attr_microphone_up.attr,
|
||||||
|
&dev_attr_send_alert.attr,
|
||||||
|
&dev_attr_set_sidetone.attr,
|
||||||
|
&dev_attr_sidetone_max.attr,
|
||||||
|
NULL,
|
||||||
|
};
|
||||||
|
|
||||||
|
static const struct attribute_group corsair_void_attr_group = {
|
||||||
|
.attrs = corsair_void_attrs,
|
||||||
|
};
|
||||||
|
|
||||||
|
static int corsair_void_probe(struct hid_device *hid_dev,
|
||||||
|
const struct hid_device_id *hid_id)
|
||||||
|
{
|
||||||
|
int ret;
|
||||||
|
struct corsair_void_drvdata *drvdata;
|
||||||
|
char *name;
|
||||||
|
|
||||||
|
if (!hid_is_usb(hid_dev))
|
||||||
|
return -EINVAL;
|
||||||
|
|
||||||
|
drvdata = devm_kzalloc(&hid_dev->dev, sizeof(*drvdata),
|
||||||
|
GFP_KERNEL);
|
||||||
|
if (!drvdata)
|
||||||
|
return -ENOMEM;
|
||||||
|
|
||||||
|
hid_set_drvdata(hid_dev, drvdata);
|
||||||
|
dev_set_drvdata(&hid_dev->dev, drvdata);
|
||||||
|
|
||||||
|
drvdata->dev = &hid_dev->dev;
|
||||||
|
drvdata->hid_dev = hid_dev;
|
||||||
|
drvdata->is_wired = hid_id->driver_data == CORSAIR_VOID_WIRED;
|
||||||
|
|
||||||
|
drvdata->sidetone_max = CORSAIR_VOID_SIDETONE_MAX_WIRELESS;
|
||||||
|
if (drvdata->is_wired)
|
||||||
|
drvdata->sidetone_max = CORSAIR_VOID_SIDETONE_MAX_WIRED;
|
||||||
|
|
||||||
|
/* Set initial values for no wireless headset attached */
|
||||||
|
/* If a headset is attached, it'll be prompted later */
|
||||||
|
corsair_void_set_unknown_wireless_data(drvdata);
|
||||||
|
corsair_void_set_unknown_batt(drvdata);
|
||||||
|
|
||||||
|
/* Receiver version won't be reset after init */
|
||||||
|
/* Headset version already set via set_unknown_wireless_data */
|
||||||
|
drvdata->fw_receiver_major = 0;
|
||||||
|
drvdata->fw_receiver_minor = 0;
|
||||||
|
|
||||||
|
ret = hid_parse(hid_dev);
|
||||||
|
if (ret) {
|
||||||
|
hid_err(hid_dev, "parse failed (reason: %d)\n", ret);
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
|
||||||
|
name = devm_kasprintf(drvdata->dev, GFP_KERNEL,
|
||||||
|
"corsair-void-%d-battery", hid_dev->id);
|
||||||
|
if (!name)
|
||||||
|
return -ENOMEM;
|
||||||
|
|
||||||
|
drvdata->battery_desc.name = name;
|
||||||
|
drvdata->battery_desc.type = POWER_SUPPLY_TYPE_BATTERY;
|
||||||
|
drvdata->battery_desc.properties = corsair_void_battery_props;
|
||||||
|
drvdata->battery_desc.num_properties = ARRAY_SIZE(corsair_void_battery_props);
|
||||||
|
drvdata->battery_desc.get_property = corsair_void_battery_get_property;
|
||||||
|
|
||||||
|
drvdata->battery = NULL;
|
||||||
|
INIT_WORK(&drvdata->battery_remove_work,
|
||||||
|
corsair_void_battery_remove_work_handler);
|
||||||
|
INIT_WORK(&drvdata->battery_add_work,
|
||||||
|
corsair_void_battery_add_work_handler);
|
||||||
|
ret = devm_mutex_init(drvdata->dev, &drvdata->battery_mutex);
|
||||||
|
if (ret)
|
||||||
|
return ret;
|
||||||
|
|
||||||
|
ret = sysfs_create_group(&hid_dev->dev.kobj, &corsair_void_attr_group);
|
||||||
|
if (ret)
|
||||||
|
return ret;
|
||||||
|
|
||||||
|
/* Any failures after here will need to call hid_hw_stop */
|
||||||
|
ret = hid_hw_start(hid_dev, HID_CONNECT_DEFAULT);
|
||||||
|
if (ret) {
|
||||||
|
hid_err(hid_dev, "hid_hw_start failed (reason: %d)\n", ret);
|
||||||
|
goto failed_after_sysfs;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Refresh battery data, in case wireless headset is already connected */
|
||||||
|
INIT_DELAYED_WORK(&drvdata->delayed_status_work,
|
||||||
|
corsair_void_status_work_handler);
|
||||||
|
schedule_delayed_work(&drvdata->delayed_status_work,
|
||||||
|
msecs_to_jiffies(100));
|
||||||
|
|
||||||
|
/* Refresh firmware versions */
|
||||||
|
INIT_DELAYED_WORK(&drvdata->delayed_firmware_work,
|
||||||
|
corsair_void_firmware_work_handler);
|
||||||
|
schedule_delayed_work(&drvdata->delayed_firmware_work,
|
||||||
|
msecs_to_jiffies(100));
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
|
||||||
|
failed_after_sysfs:
|
||||||
|
sysfs_remove_group(&hid_dev->dev.kobj, &corsair_void_attr_group);
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void corsair_void_remove(struct hid_device *hid_dev)
|
||||||
|
{
|
||||||
|
struct corsair_void_drvdata *drvdata = hid_get_drvdata(hid_dev);
|
||||||
|
|
||||||
|
hid_hw_stop(hid_dev);
|
||||||
|
cancel_work_sync(&drvdata->battery_remove_work);
|
||||||
|
cancel_work_sync(&drvdata->battery_add_work);
|
||||||
|
if (drvdata->battery)
|
||||||
|
power_supply_unregister(drvdata->battery);
|
||||||
|
|
||||||
|
cancel_delayed_work_sync(&drvdata->delayed_firmware_work);
|
||||||
|
sysfs_remove_group(&hid_dev->dev.kobj, &corsair_void_attr_group);
|
||||||
|
}
|
||||||
|
|
||||||
|
static int corsair_void_raw_event(struct hid_device *hid_dev,
|
||||||
|
struct hid_report *hid_report,
|
||||||
|
u8 *data, int size)
|
||||||
|
{
|
||||||
|
struct corsair_void_drvdata *drvdata = hid_get_drvdata(hid_dev);
|
||||||
|
bool was_connected = drvdata->connected;
|
||||||
|
|
||||||
|
/* Description of packets are documented at the top of this file */
|
||||||
|
if (hid_report->id == CORSAIR_VOID_STATUS_REPORT_ID) {
|
||||||
|
drvdata->mic_up = FIELD_GET(CORSAIR_VOID_MIC_MASK, data[2]);
|
||||||
|
drvdata->connected = (data[3] == CORSAIR_VOID_WIRELESS_CONNECTED) ||
|
||||||
|
drvdata->is_wired;
|
||||||
|
|
||||||
|
corsair_void_process_receiver(drvdata,
|
||||||
|
FIELD_GET(CORSAIR_VOID_CAPACITY_MASK, data[2]),
|
||||||
|
data[3], data[4]);
|
||||||
|
} else if (hid_report->id == CORSAIR_VOID_FIRMWARE_REPORT_ID) {
|
||||||
|
drvdata->fw_receiver_major = data[1];
|
||||||
|
drvdata->fw_receiver_minor = data[2];
|
||||||
|
drvdata->fw_headset_major = data[3];
|
||||||
|
drvdata->fw_headset_minor = data[4];
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Handle wireless headset connect / disconnect */
|
||||||
|
if ((was_connected != drvdata->connected) && !drvdata->is_wired) {
|
||||||
|
if (drvdata->connected)
|
||||||
|
corsair_void_headset_connected(drvdata);
|
||||||
|
else
|
||||||
|
corsair_void_headset_disconnected(drvdata);
|
||||||
|
}
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static const struct hid_device_id corsair_void_devices[] = {
|
||||||
|
/* Corsair Void Wireless */
|
||||||
|
CORSAIR_VOID_WIRELESS_DEVICE(0x0a0c),
|
||||||
|
CORSAIR_VOID_WIRELESS_DEVICE(0x0a2b),
|
||||||
|
CORSAIR_VOID_WIRELESS_DEVICE(0x1b23),
|
||||||
|
CORSAIR_VOID_WIRELESS_DEVICE(0x1b25),
|
||||||
|
CORSAIR_VOID_WIRELESS_DEVICE(0x1b27),
|
||||||
|
|
||||||
|
/* Corsair Void USB */
|
||||||
|
CORSAIR_VOID_WIRED_DEVICE(0x0a0f),
|
||||||
|
CORSAIR_VOID_WIRED_DEVICE(0x1b1c),
|
||||||
|
CORSAIR_VOID_WIRED_DEVICE(0x1b29),
|
||||||
|
CORSAIR_VOID_WIRED_DEVICE(0x1b2a),
|
||||||
|
|
||||||
|
/* Corsair Void Surround */
|
||||||
|
CORSAIR_VOID_WIRED_DEVICE(0x0a30),
|
||||||
|
CORSAIR_VOID_WIRED_DEVICE(0x0a31),
|
||||||
|
|
||||||
|
/* Corsair Void Pro Wireless */
|
||||||
|
CORSAIR_VOID_WIRELESS_DEVICE(0x0a14),
|
||||||
|
CORSAIR_VOID_WIRELESS_DEVICE(0x0a16),
|
||||||
|
CORSAIR_VOID_WIRELESS_DEVICE(0x0a1a),
|
||||||
|
|
||||||
|
/* Corsair Void Pro USB */
|
||||||
|
CORSAIR_VOID_WIRED_DEVICE(0x0a17),
|
||||||
|
CORSAIR_VOID_WIRED_DEVICE(0x0a1d),
|
||||||
|
|
||||||
|
/* Corsair Void Pro Surround */
|
||||||
|
CORSAIR_VOID_WIRED_DEVICE(0x0a18),
|
||||||
|
CORSAIR_VOID_WIRED_DEVICE(0x0a1e),
|
||||||
|
CORSAIR_VOID_WIRED_DEVICE(0x0a1f),
|
||||||
|
|
||||||
|
/* Corsair Void Elite Wireless */
|
||||||
|
CORSAIR_VOID_WIRELESS_DEVICE(0x0a51),
|
||||||
|
CORSAIR_VOID_WIRELESS_DEVICE(0x0a55),
|
||||||
|
CORSAIR_VOID_WIRELESS_DEVICE(0x0a75),
|
||||||
|
|
||||||
|
/* Corsair Void Elite USB */
|
||||||
|
CORSAIR_VOID_WIRED_DEVICE(0x0a52),
|
||||||
|
CORSAIR_VOID_WIRED_DEVICE(0x0a56),
|
||||||
|
|
||||||
|
/* Corsair Void Elite Surround */
|
||||||
|
CORSAIR_VOID_WIRED_DEVICE(0x0a53),
|
||||||
|
CORSAIR_VOID_WIRED_DEVICE(0x0a57),
|
||||||
|
|
||||||
|
{}
|
||||||
|
};
|
||||||
|
|
||||||
|
MODULE_DEVICE_TABLE(hid, corsair_void_devices);
|
||||||
|
|
||||||
|
static struct hid_driver corsair_void_driver = {
|
||||||
|
.name = "hid-corsair-void",
|
||||||
|
.id_table = corsair_void_devices,
|
||||||
|
.probe = corsair_void_probe,
|
||||||
|
.remove = corsair_void_remove,
|
||||||
|
.raw_event = corsair_void_raw_event,
|
||||||
|
};
|
||||||
|
|
||||||
|
module_hid_driver(corsair_void_driver);
|
||||||
|
|
||||||
|
MODULE_LICENSE("GPL");
|
||||||
|
MODULE_AUTHOR("Stuart Hayhurst <stuart.a.hayhurst@gmail.com>");
|
||||||
|
MODULE_DESCRIPTION("HID driver for Corsair Void headsets");
|
||||||
Loading…
Reference in New Issue
Block a user