staging:iio:dac:ad5624r: Use strtobool for boolean values

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@metafoo.de>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/iio/dac/ad5624r_spi.c b/drivers/staging/iio/dac/ad5624r_spi.c
index 7524f96..6a7d6a4 100644 (file)
--- a/drivers/staging/iio/dac/ad5624r_spi.c
+++ b/drivers/staging/iio/dac/ad5624r_spi.c
@@ -132,20 +132,18 @@ static ssize_t ad5624r_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 ad5624r_state *st = iio_priv(indio_dev);
 
-       ret = strict_strtol(buf, 10, &readin);
+       ret = strtobool(buf, &pwr_down);
        if (ret)
                return ret;
 
-       if (readin == 1)
+       if (pwr_down)
                st->pwr_down_mask |= (1 << chan->channel);
-       else if (!readin)
-               st->pwr_down_mask &= ~(1 << chan->channel);
        else
-               ret = -EINVAL;
+               st->pwr_down_mask &= ~(1 << chan->channel);
 
        ret = ad5624r_spi_write(st->us, AD5624R_CMD_POWERDOWN_DAC, 0,
                                (st->pwr_down_mode << 4) |