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| author | YueHaibing <yuehaibing@huawei.com> | 2021-05-24 20:00:07 +0800 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2021-05-25 09:00:04 +0200 |
| commit | e1dc219af7ebc600486482c6d06242a1a11a2e33 (patch) | |
| tree | eff8503a54bb882a07d6577924730231992ac070 | |
| parent | a38e93302ee25b2ca6f4ee76c6c974cf3637985e (diff) | |
| download | linux-e1dc219af7ebc600486482c6d06242a1a11a2e33.tar.gz | |
ALSA: pcm: use DEVICE_ATTR_RO macro
Use DEVICE_ATTR_RO() helper instead of plain DEVICE_ATTR(),
which makes the code a bit shorter and easier to read.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Link: https://lore.kernel.org/r/20210524120007.39728-1-yuehaibing@huawei.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
| -rw-r--r-- | sound/core/pcm.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sound/core/pcm.c b/sound/core/pcm.c index b163164a83ec..6fd3677685d7 100644 --- a/sound/core/pcm.c +++ b/sound/core/pcm.c @@ -1004,7 +1004,7 @@ void snd_pcm_detach_substream(struct snd_pcm_substream *substream) substream->pstr->substream_opened--; } -static ssize_t show_pcm_class(struct device *dev, +static ssize_t pcm_class_show(struct device *dev, struct device_attribute *attr, char *buf) { struct snd_pcm_str *pstr = container_of(dev, struct snd_pcm_str, dev); @@ -1024,7 +1024,7 @@ static ssize_t show_pcm_class(struct device *dev, return sprintf(buf, "%s\n", str); } -static DEVICE_ATTR(pcm_class, 0444, show_pcm_class, NULL); +static DEVICE_ATTR_RO(pcm_class); static struct attribute *pcm_dev_attrs[] = { &dev_attr_pcm_class.attr, NULL |