From 63ed4a6d116c921d5b102c49071699a00ea5a0f2 Mon Sep 17 00:00:00 2001 From: Jason Gerecke Date: Thu, 7 Sep 2017 17:51:06 -0700 Subject: [PATCH] HID: wacom: generic: Send BTN_TOOL_PEN in prox once the pen enters range When a pen is first able to to be sensed by the tablet, we would like to inform userspace that a tool is nearby so that it can attempt to perform palm rejection. Unfortunately, we don't know any information about the tool that is nearby, so the best we can do is send a prox event for a generic BTN_TOOL_PEN. If the pen later comes closer and enters proximity, we can determine the actual tool type and send BTN_TOOL_PEN out of prox if necessary. Signed-off-by: Ping Cheng Signed-off-by: Jason Gerecke Signed-off-by: Jiri Kosina --- drivers/hid/wacom_wac.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c index 9b3a247ee5520..929a1ceabc213 100644 --- a/drivers/hid/wacom_wac.c +++ b/drivers/hid/wacom_wac.c @@ -2247,6 +2247,17 @@ static void wacom_wac_pen_report(struct hid_device *hdev, wacom_wac->tool[0] = wacom_intuos_get_tool_type(wacom_wac->id[0]); else wacom_wac->tool[0] = BTN_TOOL_PEN; + + if (wacom_wac->shared->stylus_in_proximity && + wacom_wac->tool[0] != BTN_TOOL_PEN) { + input_report_key(input, BTN_TOOL_PEN, 0); + input_sync(input); + } + } + else if (!wacom_wac->tool[0] && !range) { /* entering in sense */ + input_report_key(input, BTN_TOOL_PEN, sense); + input_report_key(input, BTN_TOUCH, 0); + input_sync(input); } /* keep pen state for touch events */ -- 2.39.5