From f63bb4f442d6c7929e58d671d1f46e122c441884 Mon Sep 17 00:00:00 2001
From: Aniroop Mathur <a.mathur@samsung.com>
Date: Tue, 27 Dec 2016 13:22:42 -0800
Subject: [PATCH] Input: bma150 - switch to using usleep_range instead of
 msleep

msleep (1~20) may not do what the caller intends, and will often sleep
longer.  (~20 ms actual sleep for any value given in the 1~20ms range) This
is not the desired behaviour for many cases like device resume time, device
suspend time, device enable time, etc.  Thus, change msleep to usleep_range
for precise wakeups.

Signed-off-by: Aniroop Mathur <a.mathur@samsung.com>
Acked by: Albert Zhang <xu.zhang@bosch-sensortec.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
---
 drivers/input/misc/bma150.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/input/misc/bma150.c b/drivers/input/misc/bma150.c
index 2124390ec38c6..1fa85379f86c1 100644
--- a/drivers/input/misc/bma150.c
+++ b/drivers/input/misc/bma150.c
@@ -207,7 +207,7 @@ static int bma150_set_mode(struct bma150_data *bma150, u8 mode)
 		return error;
 
 	if (mode == BMA150_MODE_NORMAL)
-		msleep(2);
+		usleep_range(2000, 2100);
 
 	bma150->mode = mode;
 	return 0;
@@ -222,7 +222,7 @@ static int bma150_soft_reset(struct bma150_data *bma150)
 	if (error)
 		return error;
 
-	msleep(2);
+	usleep_range(2000, 2100);
 	return 0;
 }
 
-- 
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