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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>
This commit is contained in:
Colin Ian King 2018-07-02 11:24:35 +01:00 committed by Jonathan Cameron
parent 6b0b3e378e
commit 366995df8b
1 changed files with 0 additions and 6 deletions
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6
drivers/iio/dac/ti-dac5571.c
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@ -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) |