On Sat, 27 Apr 2019 00:40:06 +0800
Yue Haibing <yuehaibing@xxxxxxxxxx> wrote:
> From: YueHaibing <yuehaibing@xxxxxxxxxx>
>
> 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 edde945257e2 ("iio: dac: ad5758: Modifications for new revision")
>
> Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
Applied to the togreg branch of iio.git and pushed out as testing
for the autobuilders to play with it.
Thanks,
Jonathan
> ---
> drivers/iio/dac/ad5758.c | 9 +++------
> 1 file changed, 3 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/iio/dac/ad5758.c b/drivers/iio/dac/ad5758.c
> index a513c70..570f69e 100644
> --- a/drivers/iio/dac/ad5758.c
> +++ b/drivers/iio/dac/ad5758.c
> @@ -582,7 +582,7 @@ 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;
>
> @@ -591,13 +591,10 @@ 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);
