[PATCH] Input: misc: use sysfs_emit() to instead of scnprintf()

[ye.xingchen]

From: ye xingchen <ye.xingchen@xxxxxxxxxx>

Replace the open-code with sysfs_emit() to simplify the code.

Signed-off-by: ye xingchen <ye.xingchen@xxxxxxxxxx>
---
 drivers/input/misc/ims-pcu.c | 10 +++++-----
 drivers/input/misc/iqs269a.c | 18 +++++++++---------
 2 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/drivers/input/misc/ims-pcu.c b/drivers/input/misc/ims-pcu.c
index b2f1292e27ef..6e8cc28debd9 100644
--- a/drivers/input/misc/ims-pcu.c
+++ b/drivers/input/misc/ims-pcu.c
@@ -1050,7 +1050,7 @@ static ssize_t ims_pcu_attribute_show(struct device *dev,
 			container_of(dattr, struct ims_pcu_attribute, dattr);
 	char *field = (char *)pcu + attr->field_offset;

-	return scnprintf(buf, PAGE_SIZE, "%.*s\n", attr->field_length, field);
+	return sysfs_emit(buf, "%.*s\n", attr->field_length, field);
 }

 static ssize_t ims_pcu_attribute_store(struct device *dev,
@@ -1206,7 +1206,7 @@ ims_pcu_update_firmware_status_show(struct device *dev,
 	struct usb_interface *intf = to_usb_interface(dev);
 	struct ims_pcu *pcu = usb_get_intfdata(intf);

-	return scnprintf(buf, PAGE_SIZE, "%d\n", pcu->update_firmware_status);
+	return sysfs_emit(buf, "%d\n", pcu->update_firmware_status);
 }

 static DEVICE_ATTR(update_firmware_status, S_IRUGO,
@@ -1309,7 +1309,7 @@ static ssize_t ims_pcu_ofn_reg_data_show(struct device *dev,
 	if (error)
 		return error;

-	return scnprintf(buf, PAGE_SIZE, "%x\n", data);
+	return sysfs_emit(buf, "%x\n", data);
 }

 static ssize_t ims_pcu_ofn_reg_data_store(struct device *dev,
@@ -1344,7 +1344,7 @@ static ssize_t ims_pcu_ofn_reg_addr_show(struct device *dev,
 	int error;

 	mutex_lock(&pcu->cmd_mutex);
-	error = scnprintf(buf, PAGE_SIZE, "%x\n", pcu->ofn_reg_addr);
+	error = sysfs_emit(buf, "%x\n", pcu->ofn_reg_addr);
 	mutex_unlock(&pcu->cmd_mutex);

 	return error;
@@ -1397,7 +1397,7 @@ static ssize_t ims_pcu_ofn_bit_show(struct device *dev,
 	if (error)
 		return error;

-	return scnprintf(buf, PAGE_SIZE, "%d\n", !!(data & (1 << attr->nr)));
+	return sysfs_emit(buf, "%d\n", !!(data & (1 << attr->nr)));
 }

 static ssize_t ims_pcu_ofn_bit_store(struct device *dev,
diff --git a/drivers/input/misc/iqs269a.c b/drivers/input/misc/iqs269a.c
index a348247d3d38..e4d5cea51f39 100644
--- a/drivers/input/misc/iqs269a.c
+++ b/drivers/input/misc/iqs269a.c
@@ -1332,7 +1332,7 @@ static ssize_t counts_show(struct device *dev,
 	if (error)
 		return error;

-	return scnprintf(buf, PAGE_SIZE, "%u\n", le16_to_cpu(counts));
+	return sysfs_emit(buf, "%u\n", le16_to_cpu(counts));
 }

 static ssize_t hall_bin_show(struct device *dev,
@@ -1369,7 +1369,7 @@ static ssize_t hall_bin_show(struct device *dev,
 		return -EINVAL;
 	}

-	return scnprintf(buf, PAGE_SIZE, "%u\n", val);
+	return sysfs_emit(buf, "%u\n", val);
 }

 static ssize_t hall_enable_show(struct device *dev,
@@ -1377,7 +1377,7 @@ static ssize_t hall_enable_show(struct device *dev,
 {
 	struct iqs269_private *iqs269 = dev_get_drvdata(dev);

-	return scnprintf(buf, PAGE_SIZE, "%u\n", iqs269->hall_enable);
+	return sysfs_emit(buf, "%u\n", iqs269->hall_enable);
 }

 static ssize_t hall_enable_store(struct device *dev,
@@ -1407,7 +1407,7 @@ static ssize_t ch_number_show(struct device *dev,
 {
 	struct iqs269_private *iqs269 = dev_get_drvdata(dev);

-	return scnprintf(buf, PAGE_SIZE, "%u\n", iqs269->ch_num);
+	return sysfs_emit(buf, "%u\n", iqs269->ch_num);
 }

 static ssize_t ch_number_store(struct device *dev,
@@ -1435,7 +1435,7 @@ static ssize_t rx_enable_show(struct device *dev,
 {
 	struct iqs269_private *iqs269 = dev_get_drvdata(dev);

-	return scnprintf(buf, PAGE_SIZE, "%u\n",
+	return sysfs_emit(buf, "%u\n",
 			 iqs269->ch_reg[iqs269->ch_num].rx_enable);
 }

@@ -1475,7 +1475,7 @@ static ssize_t ati_mode_show(struct device *dev,
 	if (error)
 		return error;

-	return scnprintf(buf, PAGE_SIZE, "%u\n", val);
+	return sysfs_emit(buf, "%u\n", val);
 }

 static ssize_t ati_mode_store(struct device *dev,
@@ -1508,7 +1508,7 @@ static ssize_t ati_base_show(struct device *dev,
 	if (error)
 		return error;

-	return scnprintf(buf, PAGE_SIZE, "%u\n", val);
+	return sysfs_emit(buf, "%u\n", val);
 }

 static ssize_t ati_base_store(struct device *dev,
@@ -1541,7 +1541,7 @@ static ssize_t ati_target_show(struct device *dev,
 	if (error)
 		return error;

-	return scnprintf(buf, PAGE_SIZE, "%u\n", val);
+	return sysfs_emit(buf, "%u\n", val);
 }

 static ssize_t ati_target_store(struct device *dev,
@@ -1568,7 +1568,7 @@ static ssize_t ati_trigger_show(struct device *dev,
 {
 	struct iqs269_private *iqs269 = dev_get_drvdata(dev);

-	return scnprintf(buf, PAGE_SIZE, "%u\n", iqs269->ati_current);
+	return sysfs_emit(buf, "%u\n", iqs269->ati_current);
 }

 static ssize_t ati_trigger_store(struct device *dev,
-- 
2.25.1