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path: root/drivers/input/touchscreen/ar1021_i2c.c
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Diffstat (limited to 'drivers/input/touchscreen/ar1021_i2c.c')
-rw-r--r--drivers/input/touchscreen/ar1021_i2c.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/input/touchscreen/ar1021_i2c.c b/drivers/input/touchscreen/ar1021_i2c.c
index 21c74ee59341..f9dcbd63e598 100644
--- a/drivers/input/touchscreen/ar1021_i2c.c
+++ b/drivers/input/touchscreen/ar1021_i2c.c
@@ -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);