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/max5821.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/iio/dac/max5821.c') diff --git a/drivers/iio/dac/max5821.c b/drivers/iio/dac/max5821.c index d6bb24db49c4..bd6e75699a63 100644 --- a/drivers/iio/dac/max5821.c +++ b/drivers/iio/dac/max5821.c @@ -84,7 +84,7 @@ static ssize_t max5821_read_dac_powerdown(struct iio_dev *indio_dev, { struct max5821_data *st = iio_priv(indio_dev); - return sprintf(buf, "%d\n", st->powerdown[chan->channel]); + return sysfs_emit(buf, "%d\n", st->powerdown[chan->channel]); } static int max5821_sync_powerdown_mode(struct max5821_data *data, -- cgit v1.2.3