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Message-ID: <202212011904193038898@zte.com.cn>
Date: Thu, 1 Dec 2022 19:04:19 +0800 (CST)
From: <ye.xingchen@....com.cn>
To: <dmitry.torokhov@...il.com>
Cc: <nick@...anahar.org>, <giulio.benetti@...ettiengineering.com>,
<dario.binacchi@...rulasolutions.com>,
<michael@...rulasolutions.com>, <oliver.graute@...oconnector.com>,
<wsa+renesas@...g-engineering.com>,
<u.kleine-koenig@...gutronix.de>, <jeff@...undy.com>,
<johan@...nel.org>, <linux-input@...r.kernel.org>,
<linux-kernel@...r.kernel.org>
Subject: [PATCH v2] Input: touchscreen: 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>
---
v1 -> v2
fix the Subject.
drivers/input/touchscreen/atmel_mxt_ts.c | 4 ++--
drivers/input/touchscreen/edt-ft5x06.c | 2 +-
drivers/input/touchscreen/hideep.c | 4 ++--
drivers/input/touchscreen/hycon-hy46xx.c | 2 +-
drivers/input/touchscreen/ilitek_ts_i2c.c | 4 ++--
drivers/input/touchscreen/iqs5xx.c | 2 +-
drivers/input/touchscreen/usbtouchscreen.c | 2 +-
drivers/input/touchscreen/wdt87xx_i2c.c | 6 +++---
8 files changed, 13 insertions(+), 13 deletions(-)
diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
index ccecd1441f0b..daad47c7823f 100644
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c
@@ -2761,7 +2761,7 @@ static ssize_t mxt_fw_version_show(struct device *dev,
{
struct mxt_data *data = dev_get_drvdata(dev);
struct mxt_info *info = data->info;
- return scnprintf(buf, PAGE_SIZE, "%u.%u.%02X\n",
+ return sysfs_emit(buf, "%u.%u.%02X\n",
info->version >> 4, info->version & 0xf, info->build);
}
@@ -2771,7 +2771,7 @@ static ssize_t mxt_hw_version_show(struct device *dev,
{
struct mxt_data *data = dev_get_drvdata(dev);
struct mxt_info *info = data->info;
- return scnprintf(buf, PAGE_SIZE, "%u.%u\n",
+ return sysfs_emit(buf, "%u.%u\n",
info->family_id, info->variant_id);
}
diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c
index 9ac1378610bc..b2ec2e04f943 100644
--- a/drivers/input/touchscreen/edt-ft5x06.c
+++ b/drivers/input/touchscreen/edt-ft5x06.c
@@ -445,7 +445,7 @@ static ssize_t edt_ft5x06_setting_show(struct device *dev,
*field = val;
}
- count = scnprintf(buf, PAGE_SIZE, "%d\n", val);
+ count = sysfs_emit(buf, "%d\n", val);
out:
mutex_unlock(&tsdata->mutex);
return error ?: count;
diff --git a/drivers/input/touchscreen/hideep.c b/drivers/input/touchscreen/hideep.c
index e9547ee29756..c0d72ba3c44a 100644
--- a/drivers/input/touchscreen/hideep.c
+++ b/drivers/input/touchscreen/hideep.c
@@ -922,7 +922,7 @@ static ssize_t hideep_fw_version_show(struct device *dev,
ssize_t len;
mutex_lock(&ts->dev_mutex);
- len = scnprintf(buf, PAGE_SIZE, "%04x\n",
+ len = sysfs_emit(buf, "%04x\n",
be16_to_cpu(ts->dwz_info.release_ver));
mutex_unlock(&ts->dev_mutex);
@@ -937,7 +937,7 @@ static ssize_t hideep_product_id_show(struct device *dev,
ssize_t len;
mutex_lock(&ts->dev_mutex);
- len = scnprintf(buf, PAGE_SIZE, "%04x\n",
+ len = sysfs_emit(buf, "%04x\n",
be16_to_cpu(ts->dwz_info.product_id));
mutex_unlock(&ts->dev_mutex);
diff --git a/drivers/input/touchscreen/hycon-hy46xx.c b/drivers/input/touchscreen/hycon-hy46xx.c
index 891d0430083e..2d34959cb510 100644
--- a/drivers/input/touchscreen/hycon-hy46xx.c
+++ b/drivers/input/touchscreen/hycon-hy46xx.c
@@ -202,7 +202,7 @@ static ssize_t hycon_hy46xx_setting_show(struct device *dev,
*field = val;
}
- count = scnprintf(buf, PAGE_SIZE, "%d\n", val);
+ count = sysfs_emit(buf, "%d\n", val);
out:
mutex_unlock(&tsdata->mutex);
diff --git a/drivers/input/touchscreen/ilitek_ts_i2c.c b/drivers/input/touchscreen/ilitek_ts_i2c.c
index c5d259c76adc..114dceb13b77 100644
--- a/drivers/input/touchscreen/ilitek_ts_i2c.c
+++ b/drivers/input/touchscreen/ilitek_ts_i2c.c
@@ -512,7 +512,7 @@ static ssize_t firmware_version_show(struct device *dev,
struct i2c_client *client = to_i2c_client(dev);
struct ilitek_ts_data *ts = i2c_get_clientdata(client);
- return scnprintf(buf, PAGE_SIZE,
+ return sysfs_emit(buf,
"fw version: [%02X%02X.%02X%02X.%02X%02X.%02X%02X]\n",
ts->firmware_ver[0], ts->firmware_ver[1],
ts->firmware_ver[2], ts->firmware_ver[3],
@@ -527,7 +527,7 @@ static ssize_t product_id_show(struct device *dev,
struct i2c_client *client = to_i2c_client(dev);
struct ilitek_ts_data *ts = i2c_get_clientdata(client);
- return scnprintf(buf, PAGE_SIZE, "product id: [%04X], module: [%s]\n",
+ return sysfs_emit(buf, "product id: [%04X], module: [%s]\n",
ts->mcu_ver, ts->product_id);
}
static DEVICE_ATTR_RO(product_id);
diff --git a/drivers/input/touchscreen/iqs5xx.c b/drivers/input/touchscreen/iqs5xx.c
index 34c4cca57d13..9119e6b5c44f 100644
--- a/drivers/input/touchscreen/iqs5xx.c
+++ b/drivers/input/touchscreen/iqs5xx.c
@@ -943,7 +943,7 @@ static ssize_t fw_info_show(struct device *dev,
if (!iqs5xx->dev_id_info.bl_status)
return -ENODATA;
- return scnprintf(buf, PAGE_SIZE, "%u.%u.%u.%u:%u.%u\n",
+ return sysfs_emit(buf, "%u.%u.%u.%u:%u.%u\n",
be16_to_cpu(iqs5xx->dev_id_info.prod_num),
be16_to_cpu(iqs5xx->dev_id_info.proj_num),
iqs5xx->dev_id_info.major_ver,
diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c
index d6d04b9f04fc..4b2606805240 100644
--- a/drivers/input/touchscreen/usbtouchscreen.c
+++ b/drivers/input/touchscreen/usbtouchscreen.c
@@ -456,7 +456,7 @@ static ssize_t mtouch_firmware_rev_show(struct device *dev,
struct usbtouch_usb *usbtouch = usb_get_intfdata(intf);
struct mtouch_priv *priv = usbtouch->priv;
- return scnprintf(output, PAGE_SIZE, "%1x.%1x\n",
+ return sysfs_emit(output, "%1x.%1x\n",
priv->fw_rev_major, priv->fw_rev_minor);
}
static DEVICE_ATTR(firmware_rev, 0444, mtouch_firmware_rev_show, NULL);
diff --git a/drivers/input/touchscreen/wdt87xx_i2c.c b/drivers/input/touchscreen/wdt87xx_i2c.c
index 166edeb77776..8f1b45ec2618 100644
--- a/drivers/input/touchscreen/wdt87xx_i2c.c
+++ b/drivers/input/touchscreen/wdt87xx_i2c.c
@@ -887,7 +887,7 @@ static ssize_t config_csum_show(struct device *dev,
cfg_csum = wdt->param.xmls_id1;
cfg_csum = (cfg_csum << 16) | wdt->param.xmls_id2;
- return scnprintf(buf, PAGE_SIZE, "%x\n", cfg_csum);
+ return sysfs_emit(buf, "%x\n", cfg_csum);
}
static ssize_t fw_version_show(struct device *dev,
@@ -896,7 +896,7 @@ static ssize_t fw_version_show(struct device *dev,
struct i2c_client *client = to_i2c_client(dev);
struct wdt87xx_data *wdt = i2c_get_clientdata(client);
- return scnprintf(buf, PAGE_SIZE, "%x\n", wdt->param.fw_id);
+ return sysfs_emit(buf, "%x\n", wdt->param.fw_id);
}
static ssize_t plat_id_show(struct device *dev,
@@ -905,7 +905,7 @@ static ssize_t plat_id_show(struct device *dev,
struct i2c_client *client = to_i2c_client(dev);
struct wdt87xx_data *wdt = i2c_get_clientdata(client);
- return scnprintf(buf, PAGE_SIZE, "%x\n", wdt->param.plat_id);
+ return sysfs_emit(buf, "%x\n", wdt->param.plat_id);
}
static ssize_t update_config_store(struct device *dev,
--
2.25.1
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