Input: ims-pcu - use sysfs_emit() instead of scnprintf()

Replace calls to scnprintf() in the methods showing device attributes
with sysfs_emit() to simplify the code.

Signed-off-by: ye xingchen <ye.xingchen@zte.com.cn>
Link: https://lore.kernel.org/r/202212011548387254492@zte.com.cn
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

diff --git a/drivers/input/misc/ims-pcu.c b/drivers/input/misc/ims-pcu.c
index b2f1292e27ef7d5e9d6c0160c05479bd8f144e1d..6e8cc28debd979eb9b0b276811c615d9a59be850 100644 (file)
--- 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,