From 0149931e6d2fa995fbcee590bb6cf9007a8839fc Mon Sep 17 00:00:00 2001 From: Ping Cheng Date: Fri, 20 Mar 2015 14:58:01 -0700 Subject: [PATCH] HID: wacom: set stylus_in_proximity before checking touch_down In wacom_bpt_pen, we checked touch_down before assigning new stylus_in_proximity value. This would cause stylus_in_proximity not updated properly if touch is down before pen is in proximity. [jkosina@suse.cz: fix if-else style] Signed-off-by: Ping Cheng Reviewed-by: Jason Gerecke Signed-off-by: Jiri Kosina --- drivers/hid/wacom_wac.c | 34 ++++++++++++++++------------------ 1 file changed, 16 insertions(+), 18 deletions(-) diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c index 59b8e27909d4..4d559c1e7779 100644 --- a/drivers/hid/wacom_wac.c +++ b/drivers/hid/wacom_wac.c @@ -1768,9 +1768,6 @@ static int wacom_bpt_pen(struct wacom_wac *wacom) if (data[0] != WACOM_REPORT_PENABLED) return 0; - if (wacom->shared->touch_down) - return 0; - prox = (data[1] & 0x20) == 0x20; /* @@ -1783,17 +1780,21 @@ static int wacom_bpt_pen(struct wacom_wac *wacom) * * Hardware does report zero in most out-of-prox cases but not all. */ - if (prox) { - if (!wacom->shared->stylus_in_proximity) { - if (data[1] & 0x08) { - wacom->tool[0] = BTN_TOOL_RUBBER; - wacom->id[0] = ERASER_DEVICE_ID; - } else { - wacom->tool[0] = BTN_TOOL_PEN; - wacom->id[0] = STYLUS_DEVICE_ID; - } - wacom->shared->stylus_in_proximity = true; + if (!wacom->shared->stylus_in_proximity) { + if (data[1] & 0x08) { + wacom->tool[0] = BTN_TOOL_RUBBER; + wacom->id[0] = ERASER_DEVICE_ID; + } else { + wacom->tool[0] = BTN_TOOL_PEN; + wacom->id[0] = STYLUS_DEVICE_ID; } + } + + wacom->shared->stylus_in_proximity = prox; + if (wacom->shared->touch_down) + return 0; + + if (prox) { x = le16_to_cpup((__le16 *)&data[2]); y = le16_to_cpup((__le16 *)&data[4]); p = le16_to_cpup((__le16 *)&data[6]); @@ -1809,6 +1810,8 @@ static int wacom_bpt_pen(struct wacom_wac *wacom) pen = data[1] & 0x01; btn1 = data[1] & 0x02; btn2 = data[1] & 0x04; + } else { + wacom->id[0] = 0; } input_report_key(input, BTN_TOUCH, pen); @@ -1820,11 +1823,6 @@ static int wacom_bpt_pen(struct wacom_wac *wacom) input_report_abs(input, ABS_PRESSURE, p); input_report_abs(input, ABS_DISTANCE, d); - if (!prox) { - wacom->id[0] = 0; - wacom->shared->stylus_in_proximity = false; - } - input_report_key(input, wacom->tool[0], prox); /* PEN or RUBBER */ input_report_abs(input, ABS_MISC, wacom->id[0]); /* TOOL ID */