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Diffstat (limited to 'sound/hda/hdac_bus.c')
-rw-r--r--sound/hda/hdac_bus.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/hda/hdac_bus.c b/sound/hda/hdac_bus.c
index 8f19876244eb..3fe62be1cbcc 100644
--- a/sound/hda/hdac_bus.c
+++ b/sound/hda/hdac_bus.c
@@ -22,6 +22,7 @@ static const struct hdac_bus_ops default_ops = {
/**
* snd_hdac_bus_init - initialize a HD-audio bas bus
* @bus: the pointer to bus object
+ * @dev: device pointer
* @ops: bus verb operators
*
* Returns 0 if successful, or a negative error code.
@@ -43,6 +44,7 @@ int snd_hdac_bus_init(struct hdac_bus *bus, struct device *dev,
mutex_init(&bus->cmd_mutex);
mutex_init(&bus->lock);
INIT_LIST_HEAD(&bus->hlink_list);
+ init_waitqueue_head(&bus->rirb_wq);
bus->irq = -1;
return 0;
}
@@ -63,6 +65,7 @@ EXPORT_SYMBOL_GPL(snd_hdac_bus_exit);
/**
* snd_hdac_bus_exec_verb - execute a HD-audio verb on the given bus
* @bus: bus object
+ * @addr: the HDAC device address
* @cmd: HD-audio encoded verb
* @res: pointer to store the response, NULL if performing asynchronously
*
@@ -83,6 +86,7 @@ EXPORT_SYMBOL_GPL(snd_hdac_bus_exec_verb);
/**
* snd_hdac_bus_exec_verb_unlocked - unlocked version
* @bus: bus object
+ * @addr: the HDAC device address
* @cmd: HD-audio encoded verb
* @res: pointer to store the response, NULL if performing asynchronously
*