Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit b7e79329 authored by Martin Kepplinger's avatar Martin Kepplinger Committed by Dmitry Torokhov
Browse files

Input: bma150 - use sign_extend32() for sign extending 



Despite it's name, sign_extend32() is used for 16 bit values aswell.

Signed-off-by: default avatarMartin Kepplinger <martink@posteo.de>
Signed-off-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
parent d55d0b56

drivers/input/misc/bma150.c

+3 −4
Original line number Diff line number Diff line
@@ -333,10 +333,9 @@ static void bma150_report_xyz(struct bma150_data *bma150) 
	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);