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author | ye xingchen <ye.xingchen@zte.com.cn> | 2022-12-01 16:11:24 +0800 |
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committer | Pavel Machek <pavel@ucw.cz> | 2022-12-07 21:05:20 +0100 |
commit | 3f6fb1cfaf30d0d701d877ffacfd88dd6bcc5841 (patch) | |
tree | 82addfc838c8123f5e3e49a7d8fecd9a875ea510 /drivers | |
parent | 135780f1048b3f956f5b10bb23dec9c2d2c4ef6d (diff) | |
download | linux-stable-3f6fb1cfaf30d0d701d877ffacfd88dd6bcc5841.tar.gz linux-stable-3f6fb1cfaf30d0d701d877ffacfd88dd6bcc5841.tar.bz2 linux-stable-3f6fb1cfaf30d0d701d877ffacfd88dd6bcc5841.zip |
leds: use sysfs_emit() to instead of scnprintf()
Replace the open-code with sysfs_emit() to simplify the code.
Signed-off-by: ye xingchen <ye.xingchen@zte.com.cn>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/leds/leds-blinkm.c | 8 | ||||
-rw-r--r-- | drivers/leds/leds-lm3533.c | 12 | ||||
-rw-r--r-- | drivers/leds/leds-lp5521.c | 2 | ||||
-rw-r--r-- | drivers/leds/leds-lp55xx-common.c | 4 | ||||
-rw-r--r-- | drivers/leds/trigger/ledtrig-pattern.c | 2 |
5 files changed, 14 insertions, 14 deletions
diff --git a/drivers/leds/leds-blinkm.c b/drivers/leds/leds-blinkm.c index 3fb6a2fdaefa..e19cc8a7b7ca 100644 --- a/drivers/leds/leds-blinkm.c +++ b/drivers/leds/leds-blinkm.c @@ -139,11 +139,11 @@ static ssize_t show_color_common(struct device *dev, char *buf, int color) return ret; switch (color) { case RED: - return scnprintf(buf, PAGE_SIZE, "%02X\n", data->red); + return sysfs_emit(buf, "%02X\n", data->red); case GREEN: - return scnprintf(buf, PAGE_SIZE, "%02X\n", data->green); + return sysfs_emit(buf, "%02X\n", data->green); case BLUE: - return scnprintf(buf, PAGE_SIZE, "%02X\n", data->blue); + return sysfs_emit(buf, "%02X\n", data->blue); default: return -EINVAL; } @@ -253,7 +253,7 @@ static DEVICE_ATTR_RW(blue); static ssize_t test_show(struct device *dev, struct device_attribute *attr, char *buf) { - return scnprintf(buf, PAGE_SIZE, + return sysfs_emit(buf, "#Write into test to start test sequence!#\n"); } diff --git a/drivers/leds/leds-lm3533.c b/drivers/leds/leds-lm3533.c index 43d5970d96aa..bcd414eb4724 100644 --- a/drivers/leds/leds-lm3533.c +++ b/drivers/leds/leds-lm3533.c @@ -314,7 +314,7 @@ static ssize_t show_id(struct device *dev, struct led_classdev *led_cdev = dev_get_drvdata(dev); struct lm3533_led *led = to_lm3533_led(led_cdev); - return scnprintf(buf, PAGE_SIZE, "%d\n", led->id); + return sysfs_emit(buf, "%d\n", led->id); } /* @@ -344,7 +344,7 @@ static ssize_t show_risefalltime(struct device *dev, if (ret) return ret; - return scnprintf(buf, PAGE_SIZE, "%x\n", val); + return sysfs_emit(buf, "%x\n", val); } static ssize_t show_risetime(struct device *dev, @@ -415,7 +415,7 @@ static ssize_t show_als_channel(struct device *dev, channel = (val & LM3533_REG_CTRLBANK_BCONF_ALS_CHANNEL_MASK) + 1; - return scnprintf(buf, PAGE_SIZE, "%u\n", channel); + return sysfs_emit(buf, "%u\n", channel); } static ssize_t store_als_channel(struct device *dev, @@ -465,7 +465,7 @@ static ssize_t show_als_en(struct device *dev, enable = val & LM3533_REG_CTRLBANK_BCONF_ALS_EN_MASK; - return scnprintf(buf, PAGE_SIZE, "%d\n", enable); + return sysfs_emit(buf, "%d\n", enable); } static ssize_t store_als_en(struct device *dev, @@ -518,7 +518,7 @@ static ssize_t show_linear(struct device *dev, else linear = 0; - return scnprintf(buf, PAGE_SIZE, "%x\n", linear); + return sysfs_emit(buf, "%x\n", linear); } static ssize_t store_linear(struct device *dev, @@ -564,7 +564,7 @@ static ssize_t show_pwm(struct device *dev, if (ret) return ret; - return scnprintf(buf, PAGE_SIZE, "%u\n", val); + return sysfs_emit(buf, "%u\n", val); } static ssize_t store_pwm(struct device *dev, diff --git a/drivers/leds/leds-lp5521.c b/drivers/leds/leds-lp5521.c index 7ff20c260504..19478d9c19a7 100644 --- a/drivers/leds/leds-lp5521.c +++ b/drivers/leds/leds-lp5521.c @@ -469,7 +469,7 @@ static ssize_t lp5521_selftest(struct device *dev, ret = lp5521_run_selftest(chip, buf); mutex_unlock(&chip->lock); - return scnprintf(buf, PAGE_SIZE, "%s\n", ret ? "FAIL" : "OK"); + return sysfs_emit(buf, "%s\n", ret ? "FAIL" : "OK"); } /* device attributes */ diff --git a/drivers/leds/leds-lp55xx-common.c b/drivers/leds/leds-lp55xx-common.c index ca2e28fb843f..c1940964067a 100644 --- a/drivers/leds/leds-lp55xx-common.c +++ b/drivers/leds/leds-lp55xx-common.c @@ -88,7 +88,7 @@ static ssize_t led_current_show(struct device *dev, { struct lp55xx_led *led = dev_to_lp55xx_led(dev); - return scnprintf(buf, PAGE_SIZE, "%d\n", led->led_current); + return sysfs_emit(buf, "%d\n", led->led_current); } static ssize_t led_current_store(struct device *dev, @@ -121,7 +121,7 @@ static ssize_t max_current_show(struct device *dev, { struct lp55xx_led *led = dev_to_lp55xx_led(dev); - return scnprintf(buf, PAGE_SIZE, "%d\n", led->max_current); + return sysfs_emit(buf, "%d\n", led->max_current); } static DEVICE_ATTR_RW(led_current); diff --git a/drivers/leds/trigger/ledtrig-pattern.c b/drivers/leds/trigger/ledtrig-pattern.c index 43a265dc4696..885ca63f383f 100644 --- a/drivers/leds/trigger/ledtrig-pattern.c +++ b/drivers/leds/trigger/ledtrig-pattern.c @@ -155,7 +155,7 @@ static ssize_t repeat_show(struct device *dev, struct device_attribute *attr, mutex_unlock(&data->lock); - return scnprintf(buf, PAGE_SIZE, "%d\n", repeat); + return sysfs_emit(buf, "%d\n", repeat); } static ssize_t repeat_store(struct device *dev, struct device_attribute *attr, |