linux-kernel - [PATCH 3.16 111/133] Input: ucb1400_ts

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Message-ID: <lsq.1511315893.415856001@decadent.org.uk>
Date:   Wed, 22 Nov 2017 01:58:13 +0000
From:   Ben Hutchings <ben@...adent.org.uk>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:     akpm@...ux-foundation.org, "Anton Volkov" <avolkov@...ras.ru>,
        "Dmitry Torokhov" <dmitry.torokhov@...il.com>
Subject: [PATCH 3.16 111/133] Input: ucb1400_ts - fix suspend and resume
 handling

3.16.51-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Dmitry Torokhov <dmitry.torokhov@...il.com>

commit 39467fc1054a91efa697162a94e5b0e1a4b7b580 upstream.

Instead of stopping the touchscreen we were starting it in suspend, and
disabling it in resume.

Fixes: c899afedf168 ("Input: ucb1400_ts - convert to threaded IRQ")
Reported-by: Anton Volkov <avolkov@...ras.ru>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@...il.com>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 drivers/input/touchscreen/ucb1400_ts.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/input/touchscreen/ucb1400_ts.c
+++ b/drivers/input/touchscreen/ucb1400_ts.c
@@ -415,7 +415,7 @@ static int ucb1400_ts_suspend(struct dev
 	mutex_lock(&idev->mutex);
 
 	if (idev->users)
-		ucb1400_ts_start(ucb);
+		ucb1400_ts_stop(ucb);
 
 	mutex_unlock(&idev->mutex);
 	return 0;
@@ -429,7 +429,7 @@ static int ucb1400_ts_resume(struct devi
 	mutex_lock(&idev->mutex);
 
 	if (idev->users)
-		ucb1400_ts_stop(ucb);
+		ucb1400_ts_start(ucb);
 
 	mutex_unlock(&idev->mutex);
 	return 0;