From f46ac009780cb5ab2a0c85884fcc5f5bba7ee08e Mon Sep 17 00:00:00 2001 From: Lars-Peter Clausen Date: Sat, 20 Mar 2021 08:14:05 +0100 Subject: iio: dac: Convert powerdown read callbacks to sysfs_emit() Update DAC drivers powerdown attribute show callback to use the new sysfs_emit() function. sysfs_emit() is preferred over raw s*printf() for sysfs attributes since it knows about the sysfs buffer specifics and has some built-in sanity checks. Signed-off-by: Lars-Peter Clausen Link: https://lore.kernel.org/r/20210320071405.9347-5-lars@metafoo.de Signed-off-by: Jonathan Cameron --- drivers/iio/dac/ti-dac5571.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/iio/dac/ti-dac5571.c') diff --git a/drivers/iio/dac/ti-dac5571.c b/drivers/iio/dac/ti-dac5571.c index d3295767a079..2a5ba1b08a1d 100644 --- a/drivers/iio/dac/ti-dac5571.c +++ b/drivers/iio/dac/ti-dac5571.c @@ -166,7 +166,7 @@ static ssize_t dac5571_read_powerdown(struct iio_dev *indio_dev, { struct dac5571_data *data = iio_priv(indio_dev); - return sprintf(buf, "%d\n", data->powerdown[chan->channel]); + return sysfs_emit(buf, "%d\n", data->powerdown[chan->channel]); } static ssize_t dac5571_write_powerdown(struct iio_dev *indio_dev, -- cgit