[PATCH V2 0/5] hid: replace snprintf in show functions with sysfs_emit

@@ -400,7 +400,7 @@ static ssize_t attr_fn_lock_show(struct device *dev,
 	struct hid_device *hdev = to_hid_device(dev);
 	struct lenovo_drvdata *data = hid_get_drvdata(hdev);
 
-	return snprintf(buf, PAGE_SIZE, "%u\n", data->fn_lock);
+	return sysfs_emit(buf, "%u\n", data->fn_lock);
 }
 
 static ssize_t attr_fn_lock_store(struct device *dev,

@@ -442,7 +442,7 @@ static ssize_t attr_sensitivity_show_cptkbd(struct device *dev,
 	struct hid_device *hdev = to_hid_device(dev);
 	struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev);
 
-	return snprintf(buf, PAGE_SIZE, "%u\n",
+	return sysfs_emit(buf, "%u\n",
 		cptkbd_data->sensitivity);
 }
 

@@ -603,7 +603,7 @@ static ssize_t attr_press_to_select_show_tpkbd(struct device *dev,
 	struct hid_device *hdev = to_hid_device(dev);
 	struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
 
-	return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->press_to_select);
+	return sysfs_emit(buf, "%u\n", data_pointer->press_to_select);
 }
 
 static ssize_t attr_press_to_select_store_tpkbd(struct device *dev,

@@ -633,7 +633,7 @@ static ssize_t attr_dragging_show_tpkbd(struct device *dev,
 	struct hid_device *hdev = to_hid_device(dev);
 	struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
 
-	return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->dragging);
+	return sysfs_emit(buf, "%u\n", data_pointer->dragging);
 }
 
 static ssize_t attr_dragging_store_tpkbd(struct device *dev,

@@ -663,7 +663,7 @@ static ssize_t attr_release_to_select_show_tpkbd(struct device *dev,
 	struct hid_device *hdev = to_hid_device(dev);
 	struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
 
-	return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->release_to_select);
+	return sysfs_emit(buf, "%u\n", data_pointer->release_to_select);
 }
 
 static ssize_t attr_release_to_select_store_tpkbd(struct device *dev,

@@ -693,7 +693,7 @@ static ssize_t attr_select_right_show_tpkbd(struct device *dev,
 	struct hid_device *hdev = to_hid_device(dev);
 	struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
 
-	return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->select_right);
+	return sysfs_emit(buf, "%u\n", data_pointer->select_right);
 }
 
 static ssize_t attr_select_right_store_tpkbd(struct device *dev,

@@ -723,7 +723,7 @@ static ssize_t attr_sensitivity_show_tpkbd(struct device *dev,
 	struct hid_device *hdev = to_hid_device(dev);
 	struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
 
-	return snprintf(buf, PAGE_SIZE, "%u\n",
+	return sysfs_emit(buf, "%u\n",
 		data_pointer->sensitivity);
 }
 

@@ -752,7 +752,7 @@ static ssize_t attr_press_speed_show_tpkbd(struct device *dev,
 	struct hid_device *hdev = to_hid_device(dev);
 	struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
 
-	return snprintf(buf, PAGE_SIZE, "%u\n",
+	return sysfs_emit(buf, "%u\n",
 		data_pointer->press_speed);
 }
 

@@ -256,9 +256,9 @@ static ssize_t picolcd_operation_mode_show(struct device *dev,
 	struct picolcd_data *data = dev_get_drvdata(dev);
 
 	if (data->status & PICOLCD_BOOTLOADER)
-		return snprintf(buf, PAGE_SIZE, "[bootloader] lcd\n");
+		return sysfs_emit(buf, "[bootloader] lcd\n");
 	else
-		return snprintf(buf, PAGE_SIZE, "bootloader [lcd]\n");
+		return sysfs_emit(buf, "bootloader [lcd]\n");
 }
 
 static ssize_t picolcd_operation_mode_store(struct device *dev,

@@ -301,7 +301,7 @@ static ssize_t picolcd_operation_mode_delay_show(struct device *dev,
 {
 	struct picolcd_data *data = dev_get_drvdata(dev);
 
-	return snprintf(buf, PAGE_SIZE, "%hu\n", data->opmode_delay);
+	return sysfs_emit(buf, "%hu\n", data->opmode_delay);
 }
 
 static ssize_t picolcd_operation_mode_delay_store(struct device *dev,

@@ -63,7 +63,7 @@ static ssize_t isku_sysfs_show_actual_profile(struct device *dev,
 {
 	struct isku_device *isku =
 			hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
-	return snprintf(buf, PAGE_SIZE, "%d\n", isku->actual_profile);
+	return sysfs_emit(buf, "%d\n", isku->actual_profile);
 }
 
 static ssize_t isku_sysfs_set_actual_profile(struct device *dev,

@@ -403,7 +403,7 @@ static ssize_t kone_sysfs_show_actual_profile(struct device *dev,
 {
 	struct kone_device *kone =
 			hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
-	return snprintf(buf, PAGE_SIZE, "%d\n", kone->actual_profile);
+	return sysfs_emit(buf, "%d\n", kone->actual_profile);
 }
 static DEVICE_ATTR(actual_profile, 0440, kone_sysfs_show_actual_profile, NULL);
 

@@ -412,7 +412,7 @@ static ssize_t kone_sysfs_show_actual_dpi(struct device *dev,
 {
 	struct kone_device *kone =
 			hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
-	return snprintf(buf, PAGE_SIZE, "%d\n", kone->actual_dpi);
+	return sysfs_emit(buf, "%d\n", kone->actual_dpi);
 }
 static DEVICE_ATTR(actual_dpi, 0440, kone_sysfs_show_actual_dpi, NULL);
 

@@ -435,7 +435,7 @@ static ssize_t kone_sysfs_show_weight(struct device *dev,
 
 	if (retval)
 		return retval;
-	return snprintf(buf, PAGE_SIZE, "%d\n", weight);
+	return sysfs_emit(buf, "%d\n", weight);
 }
 static DEVICE_ATTR(weight, 0440, kone_sysfs_show_weight, NULL);
 

@@ -444,7 +444,7 @@ static ssize_t kone_sysfs_show_firmware_version(struct device *dev,
 {
 	struct kone_device *kone =
 			hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
-	return snprintf(buf, PAGE_SIZE, "%d\n", kone->firmware_version);
+	return sysfs_emit(buf, "%d\n", kone->firmware_version);
 }
 static DEVICE_ATTR(firmware_version, 0440, kone_sysfs_show_firmware_version,
 		   NULL);

@@ -454,7 +454,7 @@ static ssize_t kone_sysfs_show_tcu(struct device *dev,
 {
 	struct kone_device *kone =
 			hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
-	return snprintf(buf, PAGE_SIZE, "%d\n", kone->settings.tcu);
+	return sysfs_emit(buf, "%d\n", kone->settings.tcu);
 }
 
 static int kone_tcu_command(struct usb_device *usb_dev, int number)

@@ -556,7 +556,7 @@ static ssize_t kone_sysfs_show_startup_profile(struct device *dev,
 {
 	struct kone_device *kone =
 			hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
-	return snprintf(buf, PAGE_SIZE, "%d\n", kone->settings.startup_profile);
+	return sysfs_emit(buf, "%d\n", kone->settings.startup_profile);
 }
 
 static ssize_t kone_sysfs_set_startup_profile(struct device *dev,

@@ -244,7 +244,7 @@ static ssize_t koneplus_sysfs_show_actual_profile(struct device *dev,
 {
 	struct koneplus_device *koneplus =
 			hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
-	return snprintf(buf, PAGE_SIZE, "%d\n", koneplus->actual_profile);
+	return sysfs_emit(buf, "%d\n", koneplus->actual_profile);
 }
 
 static ssize_t koneplus_sysfs_set_actual_profile(struct device *dev,

@@ -311,7 +311,7 @@ static ssize_t koneplus_sysfs_show_firmware_version(struct device *dev,
 			&info, KONEPLUS_SIZE_INFO);
 	mutex_unlock(&koneplus->koneplus_lock);
 
-	return snprintf(buf, PAGE_SIZE, "%d\n", info.firmware_version);
+	return sysfs_emit(buf, "%d\n", info.firmware_version);
 }
 static DEVICE_ATTR(firmware_version, 0440,
 		   koneplus_sysfs_show_firmware_version, NULL);

@@ -274,7 +274,7 @@ static ssize_t kovaplus_sysfs_show_actual_profile(struct device *dev,
 {
 	struct kovaplus_device *kovaplus =
 			hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
-	return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_profile);
+	return sysfs_emit(buf, "%d\n", kovaplus->actual_profile);
 }
 
 static ssize_t kovaplus_sysfs_set_actual_profile(struct device *dev,

@@ -327,7 +327,7 @@ static ssize_t kovaplus_sysfs_show_actual_cpi(struct device *dev,
 {
 	struct kovaplus_device *kovaplus =
 			hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
-	return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_cpi);
+	return sysfs_emit(buf, "%d\n", kovaplus->actual_cpi);
 }
 static DEVICE_ATTR(actual_cpi, 0440, kovaplus_sysfs_show_actual_cpi, NULL);
 

@@ -336,7 +336,7 @@ static ssize_t kovaplus_sysfs_show_actual_sensitivity_x(struct device *dev,
 {
 	struct kovaplus_device *kovaplus =
 			hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
-	return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_x_sensitivity);
+	return sysfs_emit(buf, "%d\n", kovaplus->actual_x_sensitivity);
 }
 static DEVICE_ATTR(actual_sensitivity_x, 0440,
 		   kovaplus_sysfs_show_actual_sensitivity_x, NULL);

@@ -346,7 +346,7 @@ static ssize_t kovaplus_sysfs_show_actual_sensitivity_y(struct device *dev,
 {
 	struct kovaplus_device *kovaplus =
 			hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
-	return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_y_sensitivity);
+	return sysfs_emit(buf, "%d\n", kovaplus->actual_y_sensitivity);
 }
 static DEVICE_ATTR(actual_sensitivity_y, 0440,
 		   kovaplus_sysfs_show_actual_sensitivity_y, NULL);

@@ -367,7 +367,7 @@ static ssize_t kovaplus_sysfs_show_firmware_version(struct device *dev,
 			&info, KOVAPLUS_SIZE_INFO);
 	mutex_unlock(&kovaplus->kovaplus_lock);
 
-	return snprintf(buf, PAGE_SIZE, "%d\n", info.firmware_version);
+	return sysfs_emit(buf, "%d\n", info.firmware_version);
 }
 static DEVICE_ATTR(firmware_version, 0440,
 		   kovaplus_sysfs_show_firmware_version, NULL);

@@ -286,7 +286,7 @@ static ssize_t pyra_sysfs_show_actual_cpi(struct device *dev,
 {
 	struct pyra_device *pyra =
 			hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
-	return snprintf(buf, PAGE_SIZE, "%d\n", pyra->actual_cpi);
+	return sysfs_emit(buf, "%d\n", pyra->actual_cpi);
 }
 static DEVICE_ATTR(actual_cpi, 0440, pyra_sysfs_show_actual_cpi, NULL);
 

@@ -303,7 +303,7 @@ static ssize_t pyra_sysfs_show_actual_profile(struct device *dev,
 			&settings, PYRA_SIZE_SETTINGS);
 	mutex_unlock(&pyra->pyra_lock);
 
-	return snprintf(buf, PAGE_SIZE, "%d\n", settings.startup_profile);
+	return sysfs_emit(buf, "%d\n", settings.startup_profile);
 }
 static DEVICE_ATTR(actual_profile, 0440, pyra_sysfs_show_actual_profile, NULL);
 static DEVICE_ATTR(startup_profile, 0440, pyra_sysfs_show_actual_profile, NULL);

@@ -324,7 +324,7 @@ static ssize_t pyra_sysfs_show_firmware_version(struct device *dev,
 			&info, PYRA_SIZE_INFO);
 	mutex_unlock(&pyra->pyra_lock);
 
-	return snprintf(buf, PAGE_SIZE, "%d\n", info.firmware_version);
+	return sysfs_emit(buf, "%d\n", info.firmware_version);
 }
 static DEVICE_ATTR(firmware_version, 0440, pyra_sysfs_show_firmware_version,
 		   NULL);

@@ -371,7 +371,7 @@ static ssize_t show_value(struct device *dev, struct device_attribute *attr,
 				     sizeof(struct hid_custom_usage_desc),
 				     usage_id_cmp);
 		if (usage_desc)
-			return snprintf(buf, PAGE_SIZE, "%s\n",
+			return sysfs_emit(buf, "%s\n",
 					usage_desc->desc);
 		else
 			return sprintf(buf, "not-specified\n");

@@ -707,7 +707,7 @@ static ssize_t ds4_show_poll_interval(struct device *dev,
 	struct hid_device *hdev = to_hid_device(dev);
 	struct sony_sc *sc = hid_get_drvdata(hdev);
 
-	return snprintf(buf, PAGE_SIZE, "%i\n", sc->ds4_bt_poll_interval);
+	return sysfs_emit(buf, "%i\n", sc->ds4_bt_poll_interval);
 }
 
 static ssize_t ds4_store_poll_interval(struct device *dev,

@@ -744,7 +744,7 @@ static ssize_t sony_show_firmware_version(struct device *dev,
 	struct hid_device *hdev = to_hid_device(dev);
 	struct sony_sc *sc = hid_get_drvdata(hdev);
 
-	return snprintf(buf, PAGE_SIZE, "0x%04x\n", sc->fw_version);
+	return sysfs_emit(buf, "0x%04x\n", sc->fw_version);
 }
 
 static DEVICE_ATTR(firmware_version, 0444, sony_show_firmware_version, NULL);

@@ -756,7 +756,7 @@ static ssize_t sony_show_hardware_version(struct device *dev,
 	struct hid_device *hdev = to_hid_device(dev);
 	struct sony_sc *sc = hid_get_drvdata(hdev);
 
-	return snprintf(buf, PAGE_SIZE, "0x%04x\n", sc->hw_version);
+	return sysfs_emit(buf, "0x%04x\n", sc->hw_version);
 }
 
 static DEVICE_ATTR(hardware_version, 0444, sony_show_hardware_version, NULL);