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HID: elecom: add support for EX-G M-XT4DRBK trackball
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This patch enables the 6th button on the ELECOM EX-G M-XT4DRBK
trackball mouse.

This is a left handed EX-G variant which only comes in a wireless (D)
model. It has a total of 6 buttons but one of these is not available
because of how the HID descriptor is configured.

Signed-off-by: Tomasz Kramkowski <tk@the-tk.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Tomasz Kramkowski authored and Jiri Kosina committed Mar 6, 2018
1 parent 79837ed commit fbb77e8
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Showing 3 changed files with 5 additions and 1 deletion.
4 changes: 3 additions & 1 deletion drivers/hid/hid-elecom.c
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
/*
* HID driver for ELECOM devices:
* - BM084 Bluetooth Mouse
* - EX-G Trackballs (M-XT3DRBK, M-XT3URBK)
* - EX-G Trackballs (M-XT3DRBK, M-XT3URBK, M-XT4DRBK)
* - DEFT Trackballs (M-DT1DRBK, M-DT1URBK, M-DT2DRBK, M-DT2URBK)
* - HUGE Trackballs (M-HT1DRBK, M-HT1URBK)
*
Expand Down Expand Up @@ -67,6 +67,7 @@ static __u8 *elecom_report_fixup(struct hid_device *hdev, __u8 *rdesc,
break;
case USB_DEVICE_ID_ELECOM_M_XT3URBK:
case USB_DEVICE_ID_ELECOM_M_XT3DRBK:
case USB_DEVICE_ID_ELECOM_M_XT4DRBK:
mouse_button_fixup(hdev, rdesc, *rsize, 6);
break;
case USB_DEVICE_ID_ELECOM_M_DT1URBK:
Expand All @@ -83,6 +84,7 @@ static const struct hid_device_id elecom_devices[] = {
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) },
{ HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_M_XT3URBK) },
{ HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_M_XT3DRBK) },
{ HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_M_XT4DRBK) },
{ HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_M_DT1URBK) },
{ HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_M_DT1DRBK) },
{ HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_M_HT1URBK) },
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1 change: 1 addition & 0 deletions drivers/hid/hid-ids.h
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Original file line number Diff line number Diff line change
Expand Up @@ -373,6 +373,7 @@
#define USB_DEVICE_ID_ELECOM_BM084 0x0061
#define USB_DEVICE_ID_ELECOM_M_XT3URBK 0x00fb
#define USB_DEVICE_ID_ELECOM_M_XT3DRBK 0x00fc
#define USB_DEVICE_ID_ELECOM_M_XT4DRBK 0x00fd
#define USB_DEVICE_ID_ELECOM_M_DT1URBK 0x00fe
#define USB_DEVICE_ID_ELECOM_M_DT1DRBK 0x00ff
#define USB_DEVICE_ID_ELECOM_M_HT1URBK 0x010c
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1 change: 1 addition & 0 deletions drivers/hid/hid-quirks.c
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Original file line number Diff line number Diff line change
Expand Up @@ -337,6 +337,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) },
{ HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_M_XT3URBK) },
{ HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_M_XT3DRBK) },
{ HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_M_XT4DRBK) },
{ HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_M_DT1URBK) },
{ HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_M_DT1DRBK) },
{ HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_M_HT1URBK) },
Expand Down

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