diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/staging/iio/dac/ad5504.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/staging/iio/dac/ad5504.c b/drivers/staging/iio/dac/ad5504.c index 331b536..220150d 100644 --- a/drivers/staging/iio/dac/ad5504.c +++ b/drivers/staging/iio/dac/ad5504.c @@ -147,20 +147,18 @@ static ssize_t ad5504_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 ad5504_state *st = iio_priv(indio_dev); - ret = strict_strtol(buf, 10, &readin); + ret = strtobool(buf, &pwr_down); if (ret) return ret; - if (readin == 0) + if (pwr_down) st->pwr_down_mask |= (1 << chan->channel); - else if (readin == 1) - st->pwr_down_mask &= ~(1 << chan->channel); else - ret = -EINVAL; + st->pwr_down_mask &= ~(1 << chan->channel); ret = ad5504_spi_write(st->spi, AD5504_ADDR_CTRL, AD5504_DAC_PWRDWN_MODE(st->pwr_down_mode) | |