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authorEldad Zack <eldad@fogrefinery.com>2013-10-06 22:31:10 +0200
committerTakashi Iwai <tiwai@suse.de>2013-10-07 11:00:03 +0200
commit9b7c552bba88748001574925b80ba520691b0e4d (patch)
tree610ac181a22234650ffe02b245a1d45bba48c2b8 /sound/usb
parent239b9f7990873d851335ed23fa091ce1484a5bcc (diff)
ALSA: usb-audio: void return type of snd_usb_endpoint_deactivate()
The return value of snd_usb_endpoint_deactivate() is not used, make the function have no return value. Update the documentation to reflect what the function is actually doing. Signed-off-by: Eldad Zack <eldad@fogrefinery.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb')
-rw-r--r--sound/usb/endpoint.c15
-rw-r--r--sound/usb/endpoint.h2
2 files changed, 6 insertions, 11 deletions
diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c
index e84732c874cb..26856601422b 100644
--- a/sound/usb/endpoint.c
+++ b/sound/usb/endpoint.c
@@ -946,28 +946,23 @@ void snd_usb_endpoint_stop(struct snd_usb_endpoint *ep)
*
* @ep: the endpoint to deactivate
*
- * If the endpoint is not currently in use, this functions will select the
- * alternate interface setting 0 for the interface of this endpoint.
+ * If the endpoint is not currently in use, this functions will
+ * deactivate its associated URBs.
*
* In case of any active users, this functions does nothing.
- *
- * Returns an error if usb_set_interface() failed, 0 in all other
- * cases.
*/
-int snd_usb_endpoint_deactivate(struct snd_usb_endpoint *ep)
+void snd_usb_endpoint_deactivate(struct snd_usb_endpoint *ep)
{
if (!ep)
- return -EINVAL;
+ return;
if (ep->use_count != 0)
- return 0;
+ return;
deactivate_urbs(ep, true);
wait_clear_urbs(ep);
clear_bit(EP_FLAG_ACTIVATED, &ep->flags);
-
- return 0;
}
/**
diff --git a/sound/usb/endpoint.h b/sound/usb/endpoint.h
index 3bd02f0d226c..1c7e8ee48abc 100644
--- a/sound/usb/endpoint.h
+++ b/sound/usb/endpoint.h
@@ -22,7 +22,7 @@ int snd_usb_endpoint_start(struct snd_usb_endpoint *ep, bool can_sleep);
void snd_usb_endpoint_stop(struct snd_usb_endpoint *ep);
void snd_usb_endpoint_sync_pending_stop(struct snd_usb_endpoint *ep);
int snd_usb_endpoint_activate(struct snd_usb_endpoint *ep);
-int snd_usb_endpoint_deactivate(struct snd_usb_endpoint *ep);
+void snd_usb_endpoint_deactivate(struct snd_usb_endpoint *ep);
void snd_usb_endpoint_free(struct list_head *head);
int snd_usb_endpoint_implicit_feedback_sink(struct snd_usb_endpoint *ep);