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Subject[PATCH 3.16 144/233] HID: usbhid: quirks for Corsair RGB keyboard & mice (K70R, K95RGB, M65RGB, K70RGB, K65RGB)
3.16.48-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Trent Lloyd <trent@lloyd.id.au>

commit 282bf1fe6dca4b768d6bedc14aea1b82c36241c1 upstream.

These devices feature multiple interfaces/endpoints: a legacy BIOS/boot
interface (endpoint 0x81), as well as 2 corsair-specific keyboard interfaces
(endpoint 0x82, 0x83 IN/0x03 OUT) and an RGB LED control interface (endpoint
0x84 IN/0x04 OUT)

Because the extra 3 interfaces are not of subclass USB_INTERFACE_SUBCLASS_BOOT,
HID_QUIRK_NOGET is not automatically set on them and a 10s timeout per-endpoint
(30s per device) occurs initialising reports on boot. We configure
HID_QUIRK_NO_INIT_REPORTS for these devices.

Additionally the left-side G1-G18 macro keys on the K95RGB generate output on
the un-opened 0x82/0x83 endpoints which causes the keyboard to stop responding
waiting for this event to be collected. We enable HID_QUIRK_ALWAYS_POLL to
prevent this situation from occurring.

Signed-off-by: Trent Lloyd <trent@lloyd.id.au>
Tested-by: SUGNIAUX Wilfried <wsu@ppharm2k20.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
[bwh: Backported to 3.16: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
drivers/hid/hid-ids.h | 7 +++++++
drivers/hid/usbhid/hid-quirks.c | 5 +++++
2 files changed, 12 insertions(+)

--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -242,6 +242,13 @@
#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_K70R 0x1b09
+#define USB_DEVICE_ID_CORSAIR_K95RGB 0x1b11
+#define USB_DEVICE_ID_CORSAIR_M65RGB 0x1b12
+#define USB_DEVICE_ID_CORSAIR_K70RGB 0x1b13
+#define USB_DEVICE_ID_CORSAIR_K65RGB 0x1b17
+
#define USB_VENDOR_ID_CREATIVELABS 0x041e
#define USB_DEVICE_ID_CREATIVE_SB_OMNI_SURROUND_51 0x322c
#define USB_DEVICE_ID_PRODIKEYS_PCMIDI 0x2801
--- a/drivers/hid/usbhid/hid-quirks.c
+++ b/drivers/hid/usbhid/hid-quirks.c
@@ -72,6 +72,11 @@ static const struct hid_blacklist {
{ USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_3AXIS_5BUTTON_STICK, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_AXIS_295, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_PIXART_USB_OPTICAL_MOUSE, HID_QUIRK_ALWAYS_POLL },
+ { USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K70R, HID_QUIRK_NO_INIT_REPORTS },
+ { USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_M65RGB, HID_QUIRK_NO_INIT_REPORTS },
+ { USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K95RGB, HID_QUIRK_NO_INIT_REPORTS | HID_QUIRK_ALWAYS_POLL },
+ { USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K70RGB, HID_QUIRK_NO_INIT_REPORTS },
+ { USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K65RGB, HID_QUIRK_NO_INIT_REPORTS },
{ USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_CREATIVE_SB_OMNI_SURROUND_51, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_DMI, USB_DEVICE_ID_DMI_ENC, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_WIIU, HID_QUIRK_MULTI_INPUT },
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