ALSA: core: Replace scnprintf() with sysfs_emit()

sysfs_emit() is a new helper to simplify the sysfs string output.
Replace the open-code with this new helper.

Link: https://lore.kernel.org/r/20220801165639.26030-5-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/core/init.c b/sound/core/init.c
index 3ac95c66a4b5bf43c7838546bf6cb1f525f5d2dc..193dae361fac39d7d9f3a6a1cd413944eb0e6a2a 100644 (file)
--- a/sound/core/init.c
+++ b/sound/core/init.c
@@ -784,7 +784,7 @@ static ssize_t id_show(struct device *dev,
                       struct device_attribute *attr, char *buf)
 {
        struct snd_card *card = container_of(dev, struct snd_card, card_dev);
-       return scnprintf(buf, PAGE_SIZE, "%s\n", card->id);
+       return sysfs_emit(buf, "%s\n", card->id);
 }
 
 static ssize_t id_store(struct device *dev, struct device_attribute *attr,
@@ -822,7 +822,7 @@ static ssize_t number_show(struct device *dev,
                           struct device_attribute *attr, char *buf)
 {
        struct snd_card *card = container_of(dev, struct snd_card, card_dev);
-       return scnprintf(buf, PAGE_SIZE, "%i\n", card->number);
+       return sysfs_emit(buf, "%i\n", card->number);
 }
 
 static DEVICE_ATTR_RO(number);