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HID: lenovo: Add support for IBM/Lenovo Scrollpoint mice

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The IBM/Lenovo Scrollpoint mice feature a trackpoint-like stick instead of a
scrolling wheel capable of 2-D (vertical+horizontal) scrolling.  hid-generic
does only expose 1-D (vertical) scrolling functionality for these mice.  This
patch adds support for horizontal scrolling for the IBM/Lenovo Scrollpoint mice
to hid-lenovo.

[jkosina@suse.cz: remove change versioning from git changelog]
Signed-off-by: Peter Ganzhorn <peter.ganzhorn@gmail.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Peter De Wachter <pdewacht@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
pgzh 2018-04-12 19:36:47 +02:00 committed by Jiri Kosina
parent b658912cb0
commit a230cd52b8
3 changed files with 48 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/hid/Kconfig
View File

@ -462,10 +462,11 @@ config HID_LENOVO
select NEW_LEDS
select LEDS_CLASS
---help---
Support for Lenovo devices that are not fully compliant with HID standard.
Support for IBM/Lenovo devices that are not fully compliant with HID standard.
Say Y if you want support for the non-compliant features of the Lenovo
Thinkpad standalone keyboards, e.g:
Say Y if you want support for horizontal scrolling of the IBM/Lenovo
Scrollpoint mice or the non-compliant features of the Lenovo Thinkpad
standalone keyboards, e.g:
- ThinkPad USB Keyboard with TrackPoint (supports extra LEDs and trackpoint
configuration)
- ThinkPad Compact Bluetooth Keyboard with TrackPoint (supports Fn keys)

8
drivers/hid/hid-ids.h
View File

@ -552,6 +552,13 @@
#define USB_VENDOR_ID_HUION 0x256c
#define USB_DEVICE_ID_HUION_TABLET 0x006e
#define USB_VENDOR_ID_IBM 0x04b3
#define USB_DEVICE_ID_IBM_SCROLLPOINT_III 0x3100
#define USB_DEVICE_ID_IBM_SCROLLPOINT_PRO 0x3103
#define USB_DEVICE_ID_IBM_SCROLLPOINT_OPTICAL 0x3105
#define USB_DEVICE_ID_IBM_SCROLLPOINT_800DPI_OPTICAL 0x3108
#define USB_DEVICE_ID_IBM_SCROLLPOINT_800DPI_OPTICAL_PRO 0x3109
#define USB_VENDOR_ID_IDEACOM 0x1cb6
#define USB_DEVICE_ID_IDEACOM_IDC6650 0x6650
#define USB_DEVICE_ID_IDEACOM_IDC6651 0x6651
@ -684,6 +691,7 @@
#define USB_DEVICE_ID_LENOVO_TPKBD 0x6009
#define USB_DEVICE_ID_LENOVO_CUSBKBD 0x6047
#define USB_DEVICE_ID_LENOVO_CBTKBD 0x6048
#define USB_DEVICE_ID_LENOVO_SCROLLPOINT_OPTICAL 0x6049
#define USB_DEVICE_ID_LENOVO_TPPRODOCK 0x6067
#define USB_DEVICE_ID_LENOVO_X1_COVER 0x6085
#define USB_DEVICE_ID_LENOVO_X1_TAB 0x60a3

36
drivers/hid/hid-lenovo.c
View File

@ -6,6 +6,17 @@
*
* Copyright (c) 2012 Bernhard Seibold
* Copyright (c) 2014 Jamie Lentin <jm@lentin.co.uk>
*
* Linux IBM/Lenovo Scrollpoint mouse driver:
* - IBM Scrollpoint III
* - IBM Scrollpoint Pro
* - IBM Scrollpoint Optical
* - IBM Scrollpoint Optical 800dpi
* - IBM Scrollpoint Optical 800dpi Pro
* - Lenovo Scrollpoint Optical
*
* Copyright (c) 2012 Peter De Wachter <pdewacht@gmail.com>
* Copyright (c) 2018 Peter Ganzhorn <peter.ganzhorn@gmail.com>
*/
/*
@ -160,6 +171,17 @@ static int lenovo_input_mapping_cptkbd(struct hid_device *hdev,
return 0;
}
static int lenovo_input_mapping_scrollpoint(struct hid_device *hdev,
struct hid_input *hi, struct hid_field *field,
struct hid_usage *usage, unsigned long **bit, int *max)
{
if (usage->hid == HID_GD_Z) {
hid_map_usage(hi, usage, bit, max, EV_REL, REL_HWHEEL);
return 1;
}
return 0;
}
static int lenovo_input_mapping(struct hid_device *hdev,
struct hid_input *hi, struct hid_field *field,
struct hid_usage *usage, unsigned long **bit, int *max)
@ -172,6 +194,14 @@ static int lenovo_input_mapping(struct hid_device *hdev,
case USB_DEVICE_ID_LENOVO_CBTKBD:
return lenovo_input_mapping_cptkbd(hdev, hi, field,
usage, bit, max);
case USB_DEVICE_ID_IBM_SCROLLPOINT_III:
case USB_DEVICE_ID_IBM_SCROLLPOINT_PRO:
case USB_DEVICE_ID_IBM_SCROLLPOINT_OPTICAL:
case USB_DEVICE_ID_IBM_SCROLLPOINT_800DPI_OPTICAL:
case USB_DEVICE_ID_IBM_SCROLLPOINT_800DPI_OPTICAL_PRO:
case USB_DEVICE_ID_LENOVO_SCROLLPOINT_OPTICAL:
return lenovo_input_mapping_scrollpoint(hdev, hi, field,
usage, bit, max);
default:
return 0;
}
@ -883,6 +913,12 @@ static const struct hid_device_id lenovo_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CUSBKBD) },
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CBTKBD) },
{ HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPPRODOCK) },
{ HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_III) },
{ HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_PRO) },
{ HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_OPTICAL) },
{ HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_800DPI_OPTICAL) },
{ HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_800DPI_OPTICAL_PRO) },
{ HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_SCROLLPOINT_OPTICAL) },
{ }
};