This patch replaces bit shifting on 1 with the BIT(x) macro.
This was done with coccinelle:
@@
constant c;
@@

-1 << c
+BIT(c)

Signed-off-by: Arushi Singhal <arushisinghal19971...@gmail.com>
---
changes in v2
 -remove/correct the wrong code.

 drivers/staging/iio/cdc/ad7150.c |  2 +-
 drivers/staging/iio/cdc/ad7746.c | 16 ++++++++--------
 2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/drivers/staging/iio/cdc/ad7150.c b/drivers/staging/iio/cdc/ad7150.c
index ca72af3e9d4b..a6f249e9c1e1 100644
--- a/drivers/staging/iio/cdc/ad7150.c
+++ b/drivers/staging/iio/cdc/ad7150.c
@@ -232,7 +232,7 @@ static int ad7150_write_event_config(struct iio_dev 
*indio_dev,
        if (ret < 0)
                goto error_ret;
 
-       cfg = ret & ~((0x03 << 5) | (0x1 << 7));
+       cfg = ret & ~((0x03 << 5) | BIT(7));
 
        switch (type) {
        case IIO_EV_TYPE_MAG_ADAPTIVE:
diff --git a/drivers/staging/iio/cdc/ad7746.c b/drivers/staging/iio/cdc/ad7746.c
index 81f8b9ee1120..453d3978879d 100644
--- a/drivers/staging/iio/cdc/ad7746.c
+++ b/drivers/staging/iio/cdc/ad7746.c
@@ -45,10 +45,10 @@
 #define AD7746_STATUS_RDYCAP           BIT(0)
 
 /* Capacitive Channel Setup Register Bit Designations (AD7746_REG_CAP_SETUP) */
-#define AD7746_CAPSETUP_CAPEN          (1 << 7)
-#define AD7746_CAPSETUP_CIN2           (1 << 6) /* AD7746 only */
-#define AD7746_CAPSETUP_CAPDIFF                (1 << 5)
-#define AD7746_CAPSETUP_CACHOP         (1 << 0)
+#define AD7746_CAPSETUP_CAPEN          (BIT(7))
+#define AD7746_CAPSETUP_CIN2           (BIT(6)) /* AD7746 only */
+#define AD7746_CAPSETUP_CAPDIFF                (BIT(5))
+#define AD7746_CAPSETUP_CACHOP         (BIT(0))
 
 /* Voltage/Temperature Setup Register Bit Designations (AD7746_REG_VT_SETUP) */
 #define AD7746_VTSETUP_VTEN            (1 << 7)
@@ -56,9 +56,9 @@
 #define AD7746_VTSETUP_VTMD_EXT_TEMP   (1 << 5)
 #define AD7746_VTSETUP_VTMD_VDD_MON    (2 << 5)
 #define AD7746_VTSETUP_VTMD_EXT_VIN    (3 << 5)
-#define AD7746_VTSETUP_EXTREF          (1 << 4)
-#define AD7746_VTSETUP_VTSHORT         (1 << 1)
-#define AD7746_VTSETUP_VTCHOP          (1 << 0)
+#define AD7746_VTSETUP_EXTREF          (BIT(4))
+#define AD7746_VTSETUP_VTSHORT         (BIT(1))
+#define AD7746_VTSETUP_VTCHOP          (BIT(0))
 
 /* Excitation Setup Register Bit Designations (AD7746_REG_EXC_SETUP) */
 #define AD7746_EXCSETUP_CLKCTRL                BIT(7)
@@ -82,7 +82,7 @@
 #define AD7746_CONF_MODE_GAIN_CAL      (6 << 0)
 
 /* CAPDAC Register Bit Designations (AD7746_REG_CAPDACx) */
-#define AD7746_CAPDAC_DACEN            (1 << 7)
+#define AD7746_CAPDAC_DACEN            (BIT(7))
 #define AD7746_CAPDAC_DACP(x)          ((x) & 0x7F)
 
 /*
-- 
2.11.0

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