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HID: hid-input: Add eraser usage to hidinput_configure_usage

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Some tablets report eraser usage to indicate the eraser tool tip
is touching the surface. But, hidinput_configure_usage didn't
support the usage, which led it falls into default as ABS_MISC.

Signed-off-by: Ping Cheng <ping.cheng@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Ping Cheng 2017-10-03 15:05:41 -07:00 committed by Jiri Kosina
parent fc5431dc06
commit 654c192a72
1 changed files with 9 additions and 0 deletions
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9
drivers/hid/hid-input.c
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@ -797,6 +797,15 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
map_key_clear(BTN_STYLUS);
break;
case 0x45: /* ERASER */
/*
* This event is reported when eraser tip touches the surface.
* Actual eraser (BTN_TOOL_RUBBER) is set by Invert usage when
* tool gets in proximity.
*/
map_key_clear(BTN_TOUCH);
break;
case 0x46: /* TabletPick */
case 0x5a: /* SecondaryBarrelSwitch */
map_key_clear(BTN_STYLUS2);