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iio: ina2xx-adc: sysfs_emit()

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sysfs_emit() is preferred over raw s*printf() for sysfs attributes since it
knows about the sysfs buffer specifics and has some built-in checks for
size and alignment.

Use sysfs_emit() to format the custom `in_allow_async_readout` device
attribute of the ina2xx-adc driver.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Link: https://lore.kernel.org/r/20211216185217.1054495-7-lars@metafoo.de
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Lars-Peter Clausen 2021-12-16 19:52:10 +01:00 committed by Jonathan Cameron
parent 2fd52124b5
commit e9d4397a16
1 changed files with 1 additions and 1 deletions
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2
drivers/iio/adc/ina2xx-adc.c
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@ -539,7 +539,7 @@ static ssize_t ina2xx_allow_async_readout_show(struct device *dev,
{
struct ina2xx_chip_info *chip = iio_priv(dev_to_iio_dev(dev));
return sprintf(buf, "%d\n", chip->allow_async_readout);
return sysfs_emit(buf, "%d\n", chip->allow_async_readout);
}
static ssize_t ina2xx_allow_async_readout_store(struct device *dev,