According to [1] the confidence is used not only by touchpad devices, but also by touchscreens.
[1] https://docs.microsoft.com/en-us/windows-hardware/design/component-guidelines/touchscreen-required-hid-top-level-collections Signed-off-by: Dmitry Torokhov <dmitry.torok...@gmail.com> --- drivers/hid/hid-multitouch.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c index c28defe50a10..1cb00de4bfd1 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -545,7 +545,8 @@ static int mt_touch_input_mapping(struct hid_device *hdev, struct hid_input *hi, case HID_DG_CONFIDENCE: if ((cls->name == MT_CLS_WIN_8 || cls->name == MT_CLS_WIN_8_DUAL) && - field->application == HID_DG_TOUCHPAD) { + (field->application == HID_DG_TOUCHPAD || + field->application == HID_DG_TOUCHSCREEN)) { cls->quirks |= MT_QUIRK_CONFIDENCE; input_set_abs_params(hi->input, ABS_MT_TOOL_TYPE, -- 2.14.0.434.g98096fd7a8-goog
