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staging:iio:dac:ad5504: Use strtobool for boolean values

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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>
This commit is contained in:
Lars-Peter Clausen 2012-06-04 11:36:22 +02:00 committed by Greg Kroah-Hartman
parent 159fe695ae
commit 3bbbf150ff
1 changed files with 4 additions and 6 deletions
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10
drivers/staging/iio/dac/ad5504.c
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@ -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) |