diff options
| -rw-r--r-- | drivers/hid/hid-input.c | 18 | ||||
| -rw-r--r-- | include/linux/hid.h | 1 |
2 files changed, 17 insertions, 2 deletions
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c index 851ee86eff32..40a5645f8fe8 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -988,6 +988,7 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel return; case 0x3c: /* Invert */ + device->quirks &= ~HID_QUIRK_NOINVERT; map_key_clear(BTN_TOOL_RUBBER); break; @@ -1013,9 +1014,13 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel 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. + * Actual eraser (BTN_TOOL_RUBBER) is set and released either + * by Invert if tool reports proximity or by Eraser directly. */ + if (!test_bit(BTN_TOOL_RUBBER, input->keybit)) { + device->quirks |= HID_QUIRK_NOINVERT; + set_bit(BTN_TOOL_RUBBER, input->keybit); + } map_key_clear(BTN_TOUCH); break; @@ -1580,6 +1585,15 @@ void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct else if (report->tool != BTN_TOOL_RUBBER) /* value is off, tool is not rubber, ignore */ return; + else if (*quirks & HID_QUIRK_NOINVERT && + !test_bit(BTN_TOUCH, input->key)) { + /* + * There is no invert to release the tool, let hid_input + * send BTN_TOUCH with scancode and release the tool after. + */ + hid_report_release_tool(report, input, BTN_TOOL_RUBBER); + return; + } /* let hid-input set BTN_TOUCH */ break; diff --git a/include/linux/hid.h b/include/linux/hid.h index 39e21e3815ad..9e8f87800e21 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -360,6 +360,7 @@ struct hid_item { #define HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP BIT(18) #define HID_QUIRK_HAVE_SPECIAL_DRIVER BIT(19) #define HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE BIT(20) +#define HID_QUIRK_NOINVERT BIT(21) #define HID_QUIRK_FULLSPEED_INTERVAL BIT(28) #define HID_QUIRK_NO_INIT_REPORTS BIT(29) #define HID_QUIRK_NO_IGNORE BIT(30) |