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authorTakashi Iwai <tiwai@suse.de>2014-01-29 11:54:10 +0100
committerTakashi Iwai <tiwai@suse.de>2014-02-14 08:14:12 +0100
commit34356dbdb64e9f12cc8ce1bb0d9e38a75b1e4638 (patch)
treeb6a9f9a3747212a3da05e42d44cfad633954ed58 /sound/core/init.c
parent8bfb181c17d20956f156e84638912e00e1aaca86 (diff)
downloadlinux-34356dbdb64e9f12cc8ce1bb0d9e38a75b1e4638.tar.bz2
ALSA: Use static groups for id and number card sysfs attr files
... instead of calling device_create_file() manually. No functional change. Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/core/init.c')
-rw-r--r--sound/core/init.c32
1 files changed, 19 insertions, 13 deletions
diff --git a/sound/core/init.c b/sound/core/init.c
index f7875049c5e1..ff96eda898e3 100644
--- a/sound/core/init.c
+++ b/sound/core/init.c
@@ -157,6 +157,7 @@ static int get_slot_from_bitmask(int mask, int (*check)(struct module *, int),
}
static int snd_card_do_free(struct snd_card *card);
+static const struct attribute_group *card_dev_attr_groups[];
static void release_card_device(struct device *dev)
{
@@ -245,6 +246,7 @@ int snd_card_new(struct device *parent, int idx, const char *xid,
card->card_dev.parent = parent;
card->card_dev.class = sound_class;
card->card_dev.release = release_card_device;
+ card->card_dev.groups = card_dev_attr_groups;
err = kobject_set_name(&card->card_dev.kobj, "card%d", idx);
if (err < 0)
goto __error;
@@ -679,8 +681,7 @@ card_id_store_attr(struct device *dev, struct device_attribute *attr,
return count;
}
-static struct device_attribute card_id_attrs =
- __ATTR(id, S_IRUGO | S_IWUSR, card_id_show_attr, card_id_store_attr);
+static DEVICE_ATTR(id, S_IRUGO | S_IWUSR, card_id_show_attr, card_id_store_attr);
static ssize_t
card_number_show_attr(struct device *dev,
@@ -690,8 +691,22 @@ card_number_show_attr(struct device *dev,
return snprintf(buf, PAGE_SIZE, "%i\n", card ? card->number : -1);
}
-static struct device_attribute card_number_attrs =
- __ATTR(number, S_IRUGO, card_number_show_attr, NULL);
+static DEVICE_ATTR(number, S_IRUGO, card_number_show_attr, NULL);
+
+static struct attribute *card_dev_attrs[] = {
+ &dev_attr_id.attr,
+ &dev_attr_number.attr,
+ NULL
+};
+
+static struct attribute_group card_dev_attr_group = {
+ .attrs = card_dev_attrs,
+};
+
+static const struct attribute_group *card_dev_attr_groups[] = {
+ &card_dev_attr_group,
+ NULL
+};
/**
* snd_card_register - register the soundcard
@@ -745,15 +760,6 @@ int snd_card_register(struct snd_card *card)
if (snd_mixer_oss_notify_callback)
snd_mixer_oss_notify_callback(card, SND_MIXER_OSS_NOTIFY_REGISTER);
#endif
- if (card->registered) {
- err = device_create_file(&card->card_dev, &card_id_attrs);
- if (err < 0)
- return err;
- err = device_create_file(&card->card_dev, &card_number_attrs);
- if (err < 0)
- return err;
- }
-
return 0;
}