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iio: dac: ad5758: remove set but not used variable 'dc_dc_mode'

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Fixes gcc '-Wunused-but-set-variable' warning:

drivers/iio/dac/ad5758.c: In function ad5758_write_powerdown:
drivers/iio/dac/ad5758.c:585:15: warning: variable dc_dc_mode set but not used [-Wunused-but-set-variable]

It is not used any more since
commit edde945257 ("iio: dac: ad5758: Modifications for new revision")

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
YueHaibing 2019-04-27 00:40:06 +08:00 committed by Jonathan Cameron
parent 8b7a6a3574
commit e99c25f432
1 changed files with 3 additions and 6 deletions
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9
drivers/iio/dac/ad5758.c
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@ -584,7 +584,7 @@ static ssize_t ad5758_write_powerdown(struct iio_dev *indio_dev,
{
struct ad5758_state *st = iio_priv(indio_dev);
bool pwr_down;
unsigned int dc_dc_mode, dac_config_mode, val;
unsigned int dac_config_mode, val;
unsigned long int dac_config_msk;
int ret;
@ -593,13 +593,10 @@ static ssize_t ad5758_write_powerdown(struct iio_dev *indio_dev,
return ret;
mutex_lock(&st->lock);
if (pwr_down) {
dc_dc_mode = AD5758_DCDC_MODE_POWER_OFF;
if (pwr_down)
val = 0;
} else {
dc_dc_mode = st->dc_dc_mode;
else
val = 1;
}
dac_config_mode = AD5758_DAC_CONFIG_OUT_EN_MODE(val) |
AD5758_DAC_CONFIG_INT_EN_MODE(val);