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[1/4] ALSA: core: use dev_to_snd_card

Message ID 00c81b79d57196a8a72ce9c4a0e8ca5d3ec2eba7.1451312334.git.geliangtang@163.com (mailing list archive)
State New, archived
Headers show

Commit Message

Geliang Tang Dec. 28, 2015, 2:47 p.m. UTC 
Use dev_to_snd_card() instead of open-coding it.

Signed-off-by: Geliang Tang <geliangtang@163.com>
---
 sound/core/init.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
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Patch

diff --git a/sound/core/init.c b/sound/core/init.c
index 20f37fb..fcb84e1 100644
--- a/sound/core/init.c
+++ b/sound/core/init.c
@@ -639,7 +639,7 @@  static ssize_t
 card_id_show_attr(struct device *dev,
 		  struct device_attribute *attr, char *buf)
 {
-	struct snd_card *card = container_of(dev, struct snd_card, card_dev);
+	struct snd_card *card = dev_to_snd_card(dev);
 	return snprintf(buf, PAGE_SIZE, "%s\n", card->id);
 }
 
@@ -647,7 +647,7 @@  static ssize_t
 card_id_store_attr(struct device *dev, struct device_attribute *attr,
 		   const char *buf, size_t count)
 {
-	struct snd_card *card = container_of(dev, struct snd_card, card_dev);
+	struct snd_card *card = dev_to_snd_card(dev);
 	char buf1[sizeof(card->id)];
 	size_t copy = count > sizeof(card->id) - 1 ?
 					sizeof(card->id) - 1 : count;
@@ -679,7 +679,7 @@  static ssize_t
 card_number_show_attr(struct device *dev,
 		     struct device_attribute *attr, char *buf)
 {
-	struct snd_card *card = container_of(dev, struct snd_card, card_dev);
+	struct snd_card *card = dev_to_snd_card(dev);
 	return snprintf(buf, PAGE_SIZE, "%i\n", card->number);
 }