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: Martin Kepplinger <martink@posteo.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
* License: GPLv2 as published by the FSF.
*/
+#include <linux/bitops.h>
#include <linux/module.h>
#include <linux/input.h>
#include <linux/of.h>
goto out;
/* sync bit set ? */
- if ((data[0] & 0x80) == 0)
+ if (!(data[0] & BIT(7)))
goto out;
button = data[0] & BIT(0);