summaryrefslogtreecommitdiffstats
path: root/sound/core/control_led.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/core/control_led.c')
-rw-r--r--sound/core/control_led.c36
1 files changed, 20 insertions, 16 deletions
diff --git a/sound/core/control_led.c b/sound/core/control_led.c
index a90e31dbde61..764058cc345d 100644
--- a/sound/core/control_led.c
+++ b/sound/core/control_led.c
@@ -393,11 +393,11 @@ static void snd_ctl_led_dev_release(struct device *dev)
* sysfs
*/
-static ssize_t show_mode(struct device *dev,
+static ssize_t mode_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct snd_ctl_led *led = container_of(dev, struct snd_ctl_led, dev);
- const char *str;
+ const char *str = NULL;
switch (led->mode) {
case MODE_FOLLOW_MUTE: str = "follow-mute"; break;
@@ -408,7 +408,8 @@ static ssize_t show_mode(struct device *dev,
return sprintf(buf, "%s\n", str);
}
-static ssize_t store_mode(struct device *dev, struct device_attribute *attr,
+static ssize_t mode_store(struct device *dev,
+ struct device_attribute *attr,
const char *buf, size_t count)
{
struct snd_ctl_led *led = container_of(dev, struct snd_ctl_led, dev);
@@ -437,7 +438,7 @@ static ssize_t store_mode(struct device *dev, struct device_attribute *attr,
return count;
}
-static ssize_t show_brightness(struct device *dev,
+static ssize_t brightness_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct snd_ctl_led *led = container_of(dev, struct snd_ctl_led, dev);
@@ -445,8 +446,8 @@ static ssize_t show_brightness(struct device *dev,
return sprintf(buf, "%u\n", ledtrig_audio_get(led->trigger_type));
}
-static DEVICE_ATTR(mode, 0644, show_mode, store_mode);
-static DEVICE_ATTR(brightness, 0444, show_brightness, NULL);
+static DEVICE_ATTR_RW(mode);
+static DEVICE_ATTR_RO(brightness);
static struct attribute *snd_ctl_led_dev_attrs[] = {
&dev_attr_mode.attr,
@@ -580,22 +581,25 @@ static ssize_t set_led_id(struct snd_ctl_led_card *led_card, const char *buf, si
return count;
}
-static ssize_t parse_attach(struct device *dev, struct device_attribute *attr,
+static ssize_t attach_store(struct device *dev,
+ struct device_attribute *attr,
const char *buf, size_t count)
{
struct snd_ctl_led_card *led_card = container_of(dev, struct snd_ctl_led_card, dev);
return set_led_id(led_card, buf, count, true);
}
-static ssize_t parse_detach(struct device *dev, struct device_attribute *attr,
+static ssize_t detach_store(struct device *dev,
+ struct device_attribute *attr,
const char *buf, size_t count)
{
struct snd_ctl_led_card *led_card = container_of(dev, struct snd_ctl_led_card, dev);
return set_led_id(led_card, buf, count, false);
}
-static ssize_t ctl_reset(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
+static ssize_t reset_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct snd_ctl_led_card *led_card = container_of(dev, struct snd_ctl_led_card, dev);
int err;
@@ -608,8 +612,8 @@ static ssize_t ctl_reset(struct device *dev, struct device_attribute *attr,
return count;
}
-static ssize_t ctl_list(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t list_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct snd_ctl_led_card *led_card = container_of(dev, struct snd_ctl_led_card, dev);
struct snd_card *card;
@@ -642,10 +646,10 @@ static ssize_t ctl_list(struct device *dev,
return buf2 - buf;
}
-static DEVICE_ATTR(attach, 0200, NULL, parse_attach);
-static DEVICE_ATTR(detach, 0200, NULL, parse_detach);
-static DEVICE_ATTR(reset, 0200, NULL, ctl_reset);
-static DEVICE_ATTR(list, 0444, ctl_list, NULL);
+static DEVICE_ATTR_WO(attach);
+static DEVICE_ATTR_WO(detach);
+static DEVICE_ATTR_WO(reset);
+static DEVICE_ATTR_RO(list);
static struct attribute *snd_ctl_led_card_attrs[] = {
&dev_attr_attach.attr,