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HID: corsair: Add Corsair Vengeance K90 driver

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This patch implements a HID driver for the Corsair Vengeance K90 keyboard.

It fixes the behaviour of the keys using incorrect HID usage codes and exposes
the macro playback mode and current profile to the user space through sysfs
attributes. It also adds two LED class devices controlling the "record" LED and
the backlight.

Signed-off-by: Clément Vuchener <clement.vuchener@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Clément Vuchener
2015-09-30 15:14:20 +02:00
committed by Jiri Kosina
parent 851328feb8
commit 6f78193ee9
6 changed files with 703 additions and 0 deletions
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15
Documentation/ABI/testing/sysfs-driver-hid-corsair Normal file
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@@ -0,0 +1,15 @@
What: /sys/bus/drivers/corsair/<dev>/macro_mode
Date: August 2015
KernelVersion: 4.2
Contact: Clement Vuchener <clement.vuchener@gmail.com>
Description: Get/set the current playback mode. "SW" for software mode
where G-keys triggers their regular key codes. "HW" for
hardware playback mode where the G-keys play their macro
from the on-board memory.
What: /sys/bus/drivers/corsair/<dev>/current_profile
Date: August 2015
KernelVersion: 4.2
Contact: Clement Vuchener <clement.vuchener@gmail.com>
Description: Get/set the current selected profile. Values are from 1 to 3.

10
drivers/hid/Kconfig
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@@ -171,6 +171,16 @@ config HID_CHICONY
---help---
Support for Chicony Tactical pad.
config HID_CORSAIR
tristate "Corsair devices"
depends on HID && USB && LEDS_CLASS
---help---
Support for Corsair devices that are not fully compliant with the
HID standard.
Supported devices:
- Vengeance K90
config HID_PRODIKEYS
tristate "Prodikeys PC-MIDI Keyboard support"
depends on HID && SND

1
drivers/hid/Makefile
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@@ -29,6 +29,7 @@ obj-$(CONFIG_HID_BELKIN) += hid-belkin.o
obj-$(CONFIG_HID_BETOP_FF) += hid-betopff.o
obj-$(CONFIG_HID_CHERRY) += hid-cherry.o
obj-$(CONFIG_HID_CHICONY) += hid-chicony.o
obj-$(CONFIG_HID_CORSAIR) += hid-corsair.o
obj-$(CONFIG_HID_CP2112) += hid-cp2112.o
obj-$(CONFIG_HID_CYPRESS) += hid-cypress.o
obj-$(CONFIG_HID_DRAGONRISE) += hid-dr.o

1
drivers/hid/hid-core.c
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@@ -1828,6 +1828,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_ACER_SWITCH12) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K90) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_CP2112) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },

673
drivers/hid/hid-corsair.c Normal file
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File diff suppressed because it is too large Load Diff

3
drivers/hid/hid-ids.h
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@@ -251,6 +251,9 @@
#define USB_DEVICE_ID_CODEMERCS_IOW_FIRST 0x1500
#define USB_DEVICE_ID_CODEMERCS_IOW_LAST 0x15ff
#define USB_VENDOR_ID_CORSAIR 0x1b1c
#define USB_DEVICE_ID_CORSAIR_K90 0x1b02
#define USB_VENDOR_ID_CREATIVELABS 0x041e
#define USB_DEVICE_ID_PRODIKEYS_PCMIDI 0x2801