iio: adc: adi-axi-adc: Convert to use sysfs_emit_at() API
Commit Message
From: ye xingchen <ye.xingchen@zte.com.cn>
Follow the advice of the Documentation/filesystems/sysfs.rst and show()
should only use sysfs_emit() or sysfs_emit_at() when formatting the
value to be returned to user space.
Signed-off-by: ye xingchen <ye.xingchen@zte.com.cn>
---
drivers/iio/adc/adi-axi-adc.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
@@ -240,8 +240,7 @@ static ssize_t in_voltage_scale_available_show(struct device *dev,
for (i = 0; i < conv->chip_info->num_scales; i++) {
const unsigned int *s = conv->chip_info->scale_table[i];
- len += scnprintf(buf + len, PAGE_SIZE - len,
- "%u.%06u ", s[0], s[1]);
+ len += sysfs_emit_at(buf, len, "%u.%06u ", s[0], s[1]);
}
buf[len - 1] = '\n';