Use strtobool for parsing the powerdown value instead of strict_strtol, since
the powerdown attribute is a boolean value.
Signed-off-by: Lars-Peter Clausen <lars@xxxxxxxxxx>
Acked-by: Jonathan Cameron <jic23@xxxxxxxxxx>
---
drivers/staging/iio/dac/ad5791.c | 14 ++++++--------
1 file changed, 6 insertions(+), 8 deletions(-)
diff --git a/drivers/staging/iio/dac/ad5791.c b/drivers/staging/iio/dac/ad5791.c
index 4e955ed..82b51a7 100644
--- a/drivers/staging/iio/dac/ad5791.c
+++ b/drivers/staging/iio/dac/ad5791.c
@@ -114,25 +114,23 @@ static ssize_t ad5791_write_dac_powerdown(struct iio_dev *indio_dev,
uintptr_t private, const struct iio_chan_spec *chan, const char *buf,
size_t len)
{
- long readin;
+ bool pwr_down;
int ret;
struct ad5791_state *st = iio_priv(indio_dev);
- ret = strict_strtol(buf, 10, &readin);
+ ret = strtobool(buf, &pwr_down);
if (ret)
return ret;
- if (readin == 0) {
- st->pwr_down = false;
+ if (!pwr_down) {
st->ctrl &= ~(AD5791_CTRL_OPGND | AD5791_CTRL_DACTRI);
- } else if (readin == 1) {
- st->pwr_down = true;
+ } else {
if (st->pwr_down_mode == AD5791_DAC_PWRDN_6K)
st->ctrl |= AD5791_CTRL_OPGND;
else if (st->pwr_down_mode == AD5791_DAC_PWRDN_3STATE)
st->ctrl |= AD5791_CTRL_DACTRI;
- } else
- ret = -EINVAL;
+ }
+ st->pwr_down = pwr_down;
ret = ad5791_spi_write(st->spi, AD5791_ADDR_CTRL, st->ctrl);
--
1.7.10
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