Commit fde272e7 authored by Kister Genesis Jimenez's avatar Kister Genesis Jimenez Committed by Jonathan Cameron
Browse files

iio: gyro: adxrs290: fix data signedness 



Properly sign-extend the rate and temperature data.

Fixes: 2c8920ff ("iio: gyro: Add driver support for ADXRS290")
Signed-off-by: default avatarKister Genesis Jimenez <kister.jimenez@analog.com>
Signed-off-by: default avatarNuno Sá <nuno.sa@analog.com>
Reviewed-by: default avatarAndy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20211115104147.18669-1-nuno.sa@analog.com


Cc: <Stable@vger.kernel.org>
Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent 66611464

drivers/iio/gyro/adxrs290.c

+3 −2
Original line number Diff line number Diff line
@@ -7,6 +7,7 @@ 
 */



#include <linux/bitfield.h>

#include <linux/bitops.h>

#include <linux/delay.h>

#include <linux/device.h>

#include <linux/kernel.h>
@@ -124,7 +125,7 @@ static int adxrs290_get_rate_data(struct iio_dev *indio_dev, const u8 cmd, int * 
		goto err_unlock;

	}



	*val = temp;

	*val = sign_extend32(temp, 15);



err_unlock:

	mutex_unlock(&st->lock);
@@ -146,7 +147,7 @@ static int adxrs290_get_temp_data(struct iio_dev *indio_dev, int *val) 
	}



	/* extract lower 12 bits temperature reading */

	*val = temp & 0x0FFF;

	*val = sign_extend32(temp, 11);



err_unlock:

	mutex_unlock(&st->lock);