ALSA: hda: Reset stream if DMA RUN bit not cleared

[linux.git] / sound / hda / hdac_bus.c

diff --git a/sound/hda/hdac_bus.c b/sound/hda/hdac_bus.c
index 8f19876244ebe0d5a0e61a16f72f19a50cea6fd7..3fe62be1cbcc1975f119f28ba98eea0add2a3642 100644 (file)
--- 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
  *