platform/x86: hp-wmi: use sysfs_emit() instead of sprintf()

Follow the advice in Documentation/filesystems/sysfs.rst:
show() should only use sysfs_emit() or sysfs_emit_at() when formatting
the value to be returned to user space.

Signed-off-by: Ai Chao <aichao@kylinos.cn>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20240314063703.315841-1-aichao@kylinos.cn
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>

Author: TomAi0

drivers/platform/x86/hp/hp-wmi.c

@@ -681,7 +681,7 @@ static ssize_t display_show(struct device *dev, struct device_attribute *attr,
 
 	if (value < 0)
 		return value;
-	return sprintf(buf, "%d\n", value);
+	return sysfs_emit(buf, "%d\n", value);
 }
 
 static ssize_t hddtemp_show(struct device *dev, struct device_attribute *attr,
@@ -691,7 +691,7 @@ static ssize_t hddtemp_show(struct device *dev, struct device_attribute *attr,
 
 	if (value < 0)
 		return value;
-	return sprintf(buf, "%d\n", value);
+	return sysfs_emit(buf, "%d\n", value);
 }
 
 static ssize_t als_show(struct device *dev, struct device_attribute *attr,
@@ -701,7 +701,7 @@ static ssize_t als_show(struct device *dev, struct device_attribute *attr,
 
 	if (value < 0)
 		return value;
-	return sprintf(buf, "%d\n", value);
+	return sysfs_emit(buf, "%d\n", value);
 }
 
 static ssize_t dock_show(struct device *dev, struct device_attribute *attr,
@@ -711,7 +711,7 @@ static ssize_t dock_show(struct device *dev, struct device_attribute *attr,
 
 	if (value < 0)
 		return value;
-	return sprintf(buf, "%d\n", value);
+	return sysfs_emit(buf, "%d\n", value);
 }
 
 static ssize_t tablet_show(struct device *dev, struct device_attribute *attr,
@@ -721,7 +721,7 @@ static ssize_t tablet_show(struct device *dev, struct device_attribute *attr,
 
 	if (value < 0)
 		return value;
-	return sprintf(buf, "%d\n", value);
+	return sysfs_emit(buf, "%d\n", value);
 }
 
 static ssize_t postcode_show(struct device *dev, struct device_attribute *attr,
@@ -732,7 +732,7 @@ static ssize_t postcode_show(struct device *dev, struct device_attribute *attr,
 
 	if (value < 0)
 		return value;
-	return sprintf(buf, "0x%x\n", value);
+	return sysfs_emit(buf, "0x%x\n", value);
 }
 
 static ssize_t als_store(struct device *dev, struct device_attribute *attr,