From: Zhou weixin <zwx@rock-chips.com>
Date: Tue, 17 Jan 2017 11:05:51 +0000 (+0800)
Subject: HID: hid-alps: fix touchpad data report error after the android restart
X-Git-Tag: firefly_0821_release~735
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=bc87c8c251bc77f02d7f904b99491c8d43115f9a;p=firefly-linux-kernel-4.4.55.git

HID: hid-alps: fix touchpad data report error after the android restart

Change-Id: Id4204bc9b20ca257da65bcdec02eab8a6e398d02
Signed-off-by: Zhou weixin <zwx@rock-chips.com>
---

diff --git a/drivers/hid/hid-alps.c b/drivers/hid/hid-alps.c
index 7a45231ef6aa..5593f83e2dc6 100644
--- a/drivers/hid/hid-alps.c
+++ b/drivers/hid/hid-alps.c
@@ -322,6 +322,7 @@ static int T4_raw_event(struct alps_dev *hdata, u8 *data, int size)
 			input_mt_report_slot_state(hdata->input, MT_TOOL_FINGER, 1);
 		} else {
 			input_mt_report_slot_state(hdata->input, MT_TOOL_FINGER, 0);
+			input_report_abs(hdata->input, ABS_MT_PRESSURE, 0);
 			continue;
 		}