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staging: iio: ad7816: Replace sprintf() with sysfs_emit()

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As stated in Documentation/filesystems/sysfs.rst:
'New implementations of show() methods should only use sysfs_emit() or
sysfs_emit_at() when formatting the value to be returned to user space.'

Replace sprintf with sysfs_emit in the following sysfs show functions:
- ad7816_show_mode()
- ad7816_show_available_modes()
- ad7816_show_channel()
- ad7816_show_value()
- ad7816_show_oti()

Signed-off-by: Bruno Martins <ehanoc@protonmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Bruno Martins 2026-03-01 21:28:26 +00:00 committed by Jonathan Cameron
parent 5c3cf14b82
commit cd04646c0f
1 changed files with 8 additions and 8 deletions
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16
drivers/staging/iio/adc/ad7816.c
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@ -124,8 +124,8 @@ static ssize_t ad7816_show_mode(struct device *dev,
struct ad7816_chip_info *chip = iio_priv(indio_dev);
if (chip->mode)
return sprintf(buf, "power-save\n");
return sprintf(buf, "full\n");
return sysfs_emit(buf, "power-save\n");
return sysfs_emit(buf, "full\n");
}
static ssize_t ad7816_store_mode(struct device *dev,
@ -156,7 +156,7 @@ static ssize_t ad7816_show_available_modes(struct device *dev,
struct device_attribute *attr,
char *buf)
{
return sprintf(buf, "full\npower-save\n");
return sysfs_emit(buf, "full\npower-save\n");
}
static IIO_DEVICE_ATTR(available_modes, 0444, ad7816_show_available_modes,
@ -169,7 +169,7 @@ static ssize_t ad7816_show_channel(struct device *dev,
struct iio_dev *indio_dev = dev_to_iio_dev(dev);
struct ad7816_chip_info *chip = iio_priv(indio_dev);
return sprintf(buf, "%d\n", chip->channel_id);
return sysfs_emit(buf, "%d\n", chip->channel_id);
}
static ssize_t ad7816_store_channel(struct device *dev,
@ -231,9 +231,9 @@ static ssize_t ad7816_show_value(struct device *dev,
data &= AD7816_TEMP_FLOAT_MASK;
if (value < 0)
data = BIT(AD7816_TEMP_FLOAT_OFFSET) - data;
return sprintf(buf, "%d.%.2d\n", value, data * 25);
return sysfs_emit(buf, "%d.%.2d\n", value, data * 25);
}
return sprintf(buf, "%u\n", data);
return sysfs_emit(buf, "%u\n", data);
}
static IIO_DEVICE_ATTR(value, 0444, ad7816_show_value, NULL, 0);
@ -281,9 +281,9 @@ static ssize_t ad7816_show_oti(struct device *dev,
value = AD7816_BOUND_VALUE_MIN +
(chip->oti_data[chip->channel_id] -
AD7816_BOUND_VALUE_BASE);
return sprintf(buf, "%d\n", value);
return sysfs_emit(buf, "%d\n", value);
}
return sprintf(buf, "%u\n", chip->oti_data[chip->channel_id]);
return sysfs_emit(buf, "%u\n", chip->oti_data[chip->channel_id]);
}
static inline ssize_t ad7816_set_oti(struct device *dev,