Input: bma150 - use sign_extend32() for sign extending
Despite it's name, sign_extend32() is used for 16 bit values aswell.
Signed-off-by: Martin Kepplinger <martink@posteo.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
diff --git a/drivers/input/misc/bma150.c b/drivers/input/misc/bma150.c
index b36831c..c278049 100644
--- a/drivers/input/misc/bma150.c
+++ b/drivers/input/misc/bma150.c
@@ -333,10 +333,9 @@
y = ((0xc0 & data[2]) >> 6) | (data[3] << 2);
z = ((0xc0 & data[4]) >> 6) | (data[5] << 2);
- /* sign extension */
- x = (s16) (x << 6) >> 6;
- y = (s16) (y << 6) >> 6;
- z = (s16) (z << 6) >> 6;
+ x = sign_extend32(x, 9);
+ y = sign_extend32(y, 9);
+ z = sign_extend32(z, 9);
input_report_abs(bma150->input, ABS_X, x);
input_report_abs(bma150->input, ABS_Y, y);