From: Jason Gerecke Date: Fri, 8 Sep 2017 00:47:38 +0000 (-0700) Subject: HID: wacom: generic: Clear ABS_MISC when tool leaves proximity X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=92380b572d95caf48f8424746aeee63c5a2b1922;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git HID: wacom: generic: Clear ABS_MISC when tool leaves proximity The tool ID information sent in ABS_MISC is expected to be reset to 0 when a tool leaves proximity. Not doing this can cause problems if a tool is removed and then re-introduced. Kernel event filtering will prevent the (identical) ABS_MISC event from being sent when the tool re-enters proxmity. This can cause userspace to not properly set the tool ID. Fixes: f85c9dc678 ("HID: wacom: generic: Support tool ID and additional tool types") Cc: stable # v4.10 Signed-off-by: Ping Cheng Signed-off-by: Jason Gerecke Signed-off-by: Jiri Kosina --- diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c index e2ba36da6e20..aa692e28b2cd 100644 --- a/drivers/hid/wacom_wac.c +++ b/drivers/hid/wacom_wac.c @@ -2272,7 +2272,7 @@ static void wacom_wac_pen_report(struct hid_device *hdev, input_report_key(input, wacom_wac->tool[0], prox); if (wacom_wac->serial[0]) { input_event(input, EV_MSC, MSC_SERIAL, wacom_wac->serial[0]); - input_report_abs(input, ABS_MISC, id); + input_report_abs(input, ABS_MISC, prox ? id : 0); } wacom_wac->hid_data.tipswitch = false;