Use GENMASK to improve readability and remove the local
variables used to store intermediate data.

Signed-off-by: Shreeya Patel <shreeya.patel23...@gmail.com>
---

Changes in v6
  -Introduce this new patch in the series.

 drivers/staging/iio/accel/adis16209.c | 19 ++++++++-----------
 1 file changed, 8 insertions(+), 11 deletions(-)

diff --git a/drivers/staging/iio/accel/adis16209.c 
b/drivers/staging/iio/accel/adis16209.c
index ed6d7c7..cc50667 100644
--- a/drivers/staging/iio/accel/adis16209.c
+++ b/drivers/staging/iio/accel/adis16209.c
@@ -112,25 +112,22 @@ static int adis16209_write_raw(struct iio_dev *indio_dev,
                               long mask)
 {
        struct adis *st = iio_priv(indio_dev);
-       int bits;
-       s16 val16;
-       u8 addr;
+       int m;
+
+       if (mask != IIO_CHAN_INFO_CALIBBIAS)
+               return -EINVAL;
 
-       switch (mask) {
-       case IIO_CHAN_INFO_CALIBBIAS:
                switch (chan->type) {
                case IIO_ACCEL:
                case IIO_INCLI:
-                       bits = 14;
+                       m = GENMASK(13, 0);
                        break;
                default:
                        return -EINVAL;
                }
-               val16 = val & ((1 << bits) - 1);
-               addr = adis16209_addresses[chan->scan_index][0];
-               return adis_write_reg_16(st, addr, val16);
-       }
-       return -EINVAL;
+
+       return adis_write_reg_16(st, adis16209_addresses[chan->scan_index][0],
+                                val & m);
 }
 
 static int adis16209_read_raw(struct iio_dev *indio_dev,
-- 
2.7.4

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