linux-kernel - [PATCH AUTOSEL for 4.4 22/25] Input: mpr121

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Date:   Wed, 25 Oct 2017 01:56:18 +0000
From:   "Levin, Alexander (Sasha Levin)" <alexander.levin@...izon.com>
To:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "stable@...r.kernel.org" <stable@...r.kernel.org>
Cc:     Akinobu Mita <akinobu.mita@...il.com>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        "Levin, Alexander (Sasha Levin)" <alexander.levin@...izon.com>
Subject: [PATCH AUTOSEL for 4.4 22/25] Input: mpr121 - set missing event
 capability

From: Akinobu Mita <akinobu.mita@...il.com>

[ Upstream commit 9723ddc8fe0d76ce41fe0dc16afb241ec7d0a29d ]

This driver reports misc scan input events on the sensor's status
register changes.  But the event capability for them was not set in the
device initialization, so these events were ignored.

This change adds the missing event capability.

Signed-off-by: Akinobu Mita <akinobu.mita@...il.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@...il.com>
Signed-off-by: Sasha Levin <alexander.levin@...izon.com>
---
 drivers/input/keyboard/mpr121_touchkey.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/input/keyboard/mpr121_touchkey.c b/drivers/input/keyboard/mpr121_touchkey.c
index 088a9f7c954e..aaf43befffaa 100644
--- a/drivers/input/keyboard/mpr121_touchkey.c
+++ b/drivers/input/keyboard/mpr121_touchkey.c
@@ -236,6 +236,7 @@ static int mpr_touchkey_probe(struct i2c_client *client,
 	input_dev->id.bustype = BUS_I2C;
 	input_dev->dev.parent = &client->dev;
 	input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP);
+	input_set_capability(input_dev, EV_MSC, MSC_SCAN);
 
 	input_dev->keycode = mpr121->keycodes;
 	input_dev->keycodesize = sizeof(mpr121->keycodes[0]);
-- 
2.11.0