linux-kernel - [PATCH 1/1 linux-next] Input: cyttsp4 - use swap() in cyttsp4_get

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Date:	Wed, 10 Jun 2015 18:31:43 +0200
From:	Fabian Frederick <fabf@...net.be>
To:	linux-kernel@...r.kernel.org
Cc:	Julia Lawall <Julia.Lawall@...6.fr>,
	Fabian Frederick <fabf@...net.be>,
	Ferruh Yigit <fery@...ress.com>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	linux-input@...r.kernel.org
Subject: [PATCH 1/1 linux-next] Input: cyttsp4 - use swap() in cyttsp4_get_touch()

Use kernel.h macro definition.

Thanks to Julia Lawall for Coccinelle scripting support.

Signed-off-by: Fabian Frederick <fabf@...net.be>
---
 drivers/input/touchscreen/cyttsp4_core.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/input/touchscreen/cyttsp4_core.c b/drivers/input/touchscreen/cyttsp4_core.c
index 568a3d3..5ed3105 100644
--- a/drivers/input/touchscreen/cyttsp4_core.c
+++ b/drivers/input/touchscreen/cyttsp4_core.c
@@ -775,7 +775,6 @@ static void cyttsp4_get_touch(struct cyttsp4_mt_data *md,
 	struct device *dev = &md->input->dev;
 	struct cyttsp4_sysinfo *si = md->si;
 	enum cyttsp4_tch_abs abs;
-	int tmp;
 	bool flipped;
 
 	for (abs = CY_TCH_X; abs < CY_TCH_NUM_ABS; abs++) {
@@ -790,9 +789,7 @@ static void cyttsp4_get_touch(struct cyttsp4_mt_data *md,
 	}
 
 	if (md->pdata->flags & CY_FLAG_FLIP) {
-		tmp = touch->abs[CY_TCH_X];
-		touch->abs[CY_TCH_X] = touch->abs[CY_TCH_Y];
-		touch->abs[CY_TCH_Y] = tmp;
+		swap(touch->abs[CY_TCH_X], touch->abs[CY_TCH_Y]);
 		flipped = true;
 	} else
 		flipped = false;
-- 
2.4.2

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