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Date: Wed, 22 Mar 2017 08:19:42 +0530 From: Arushi Singhal <arushisinghal19971997@...il.com> To: outreachy-kernel@...glegroups.com Cc: Sudip Mukherjee <sudipm.mukherjee@...il.com>, Teddy Wang <teddy.wang@...iconmotion.com>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, linux-fbdev@...r.kernel.org, devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org Subject: staging: iio: Replace a bit shift by a use of BIT. 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 <arushisinghal19971997@...il.com> --- drivers/staging/iio/adc/ad7816.c | 2 +- drivers/staging/iio/cdc/ad7150.c | 2 +- drivers/staging/iio/cdc/ad7746.c | 22 +++++++++++----------- 3 files changed, 13 insertions(+), 13 deletions(-) diff --git a/drivers/staging/iio/adc/ad7816.c b/drivers/staging/iio/adc/ad7816.c index 17d280581e24..42f637ca0251 100644 --- a/drivers/staging/iio/adc/ad7816.c +++ b/drivers/staging/iio/adc/ad7816.c @@ -222,7 +222,7 @@ static ssize_t ad7816_show_value(struct device *dev, value = (s8)((data >> AD7816_TEMP_FLOAT_OFFSET) - 103); data &= AD7816_TEMP_FLOAT_MASK; if (value < 0) - data = (1 << AD7816_TEMP_FLOAT_OFFSET) - data; + data = (BIT(AD7816_TEMP_FLOAT_OFFSET)) - data; return sprintf(buf, "%d.%.2d\n", value, data * 25); } return sprintf(buf, "%u\n", data); diff --git a/drivers/staging/iio/cdc/ad7150.c b/drivers/staging/iio/cdc/ad7150.c index ca72af3e9d4b..c5574b3ee939 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..8c573817826f 100644 --- a/drivers/staging/iio/cdc/ad7746.c +++ b/drivers/staging/iio/cdc/ad7746.c @@ -45,20 +45,20 @@ #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) +#define AD7746_VTSETUP_VTEN (BIT(7)) #define AD7746_VTSETUP_VTMD_INT_TEMP (0 << 5) -#define AD7746_VTSETUP_VTMD_EXT_TEMP (1 << 5) +#define AD7746_VTSETUP_VTMD_EXT_TEMP (BIT(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) @@ -75,14 +75,14 @@ #define AD7746_CONF_VTFS_MASK GENMASK(7, 6) #define AD7746_CONF_CAPFS_MASK GENMASK(5, 3) #define AD7746_CONF_MODE_IDLE (0 << 0) -#define AD7746_CONF_MODE_CONT_CONV (1 << 0) +#define AD7746_CONF_MODE_CONT_CONV (BIT(0)) #define AD7746_CONF_MODE_SINGLE_CONV (2 << 0) #define AD7746_CONF_MODE_PWRDN (3 << 0) #define AD7746_CONF_MODE_OFFS_CAL (5 << 0) #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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