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Message-ID: <202212011548387254492@zte.com.cn>
Date: Thu, 1 Dec 2022 15:48:38 +0800 (CST)
From: <ye.xingchen@....com.cn>
To: <dmitry.torokhov@...il.com>
Cc: <colin.i.king@...il.com>, <linux-input@...r.kernel.org>,
<linux-kernel@...r.kernel.org>
Subject: [PATCH] Input: misc: use sysfs_emit() to instead of scnprintf()
From: ye xingchen <ye.xingchen@....com.cn>
Replace the open-code with sysfs_emit() to simplify the code.
Signed-off-by: ye xingchen <ye.xingchen@....com.cn>
---
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
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