iio: dac: ti-dac5571 remove redundant variable 'shift'

Variable shift is being assigned but is never used hence it is
redundant and can be removed.

Cleans up two clang warnings:
warning: variable ‘shift’ set but not used [-Wunused-but-set-variable]

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Sean Nyekjaer <sean.nyekjaer@prevas.dk>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/dac/ti-dac5571.c b/drivers/iio/dac/ti-dac5571.c
index dd21eebed6a88ebf5305170d1ea99520dc0e97e0..e39d1e901353bc06ef0d06fb6c38f1844990d20d 100644 (file)
--- a/drivers/iio/dac/ti-dac5571.c
+++ b/drivers/iio/dac/ti-dac5571.c
@@ -97,9 +97,6 @@ static int dac5571_cmd_quad(struct dac5571_data *data, int channel, u16 val)
 
 static int dac5571_pwrdwn_single(struct dac5571_data *data, int channel, u8 pwrdwn)
 {
-       unsigned int shift;
-
-       shift = 12 - data->spec->resolution;
        data->buf[1] = 0;
        data->buf[0] = pwrdwn << DAC5571_SINGLE_PWRDWN_BITS;
 
@@ -111,9 +108,6 @@ static int dac5571_pwrdwn_single(struct dac5571_data *data, int channel, u8 pwrd
 
 static int dac5571_pwrdwn_quad(struct dac5571_data *data, int channel, u8 pwrdwn)
 {
-       unsigned int shift;
-
-       shift = 16 - data->spec->resolution;
        data->buf[2] = 0;
        data->buf[1] = pwrdwn << DAC5571_QUAD_PWRDWN_BITS;
        data->buf[0] = (channel << DAC5571_CHANNEL_SELECT) |