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Commit 8a038b83 authored by Martin Kepplinger's avatar Martin Kepplinger Committed by Dmitry Torokhov
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Input: ar1021_i2c - use BIT to check for a bit 



The MSB for the first byte of touch data transmission is always 1. Make
it a little more obvious we're testing this bit by using BIT(7).

Signed-off-by: default avatarMartin Kepplinger <martink@posteo.de>
Signed-off-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
parent 61e29ec1

drivers/input/touchscreen/ar1021_i2c.c

+2 −1
Original line number Diff line number Diff line
@@ -6,6 +6,7 @@ 
 * License: GPLv2 as published by the FSF.

 */



#include <linux/bitops.h>

#include <linux/module.h>

#include <linux/input.h>

#include <linux/of.h>
@@ -42,7 +43,7 @@ static irqreturn_t ar1021_i2c_irq(int irq, void *dev_id) 
		goto out;



	/* sync bit set ? */

	if ((data[0] & 0x80) == 0)

	if (!(data[0] & BIT(7)))

		goto out;



	button = data[0] & BIT(0);