Staging: iio: Remove parentheses around right side an assignment

Parentheses are not needed around the right hand side of an assignment.
This patch remove parenthese of such occurenses. Issue was detected and
solved using the following coccinelle script:

@rule1@
identifier x, y, z;
expression E1, E2;
@@

(
x = (y == z);
|
x = (E1 == E2);
|
 x =
-(
...
-)
 ;
)

Signed-off-by: Haneen Mohammed <hamohammed.sa@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/iio/accel/adis16240_core.c

@@ -46,7 +46,7 @@ static ssize_t adis16240_spi_read_signed(struct device *dev,
 	if (val & ADIS16240_ERROR_ACTIVE)
 		adis_check_status(st);
 
-	val = ((s16)(val << shift) >> shift);
+	val = (s16)(val << shift) >> shift;
 	return sprintf(buf, "%d\n", val);
 }
 

drivers/staging/iio/light/tsl2x7x_core.c

@@ -613,8 +613,8 @@ static int tsl2x7x_als_calibrate(struct iio_dev *indio_dev)
 		return lux_val;
 	}
 
-	gain_trim_val =  (((chip->tsl2x7x_settings.als_cal_target)
-			* chip->tsl2x7x_settings.als_gain_trim) / lux_val);
+	gain_trim_val =  ((chip->tsl2x7x_settings.als_cal_target)
+			* chip->tsl2x7x_settings.als_gain_trim) / lux_val;
 	if ((gain_trim_val < 250) || (gain_trim_val > 4000))
 		return -ERANGE;
 

drivers/staging/iio/meter/ade7753.c

@@ -411,7 +411,7 @@ static ssize_t ade7753_write_frequency(struct device *dev,
 
 	mutex_lock(&indio_dev->mlock);
 
-	t = (27900 / val);
+	t = 27900 / val;
 	if (t > 0)
 		t--;
 

drivers/staging/iio/meter/ade7754.c

@@ -432,7 +432,7 @@ static ssize_t ade7754_write_frequency(struct device *dev,
 
 	mutex_lock(&indio_dev->mlock);
 
-	t = (26000 / val);
+	t = 26000 / val;
 	if (t > 0)
 		t--;
 

drivers/staging/iio/meter/ade7759.c

@@ -371,7 +371,7 @@ static ssize_t ade7759_write_frequency(struct device *dev,
 
 	mutex_lock(&indio_dev->mlock);
 
-	t = (27900 / val);
+	t = 27900 / val;
 	if (t > 0)
 		t--;