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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>
wifi-calibration
Eldad Zack 2013-10-06 22:31:10 +02:00 committed by Takashi Iwai
parent 239b9f7990
commit 9b7c552bba
2 changed files with 6 additions and 11 deletions
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15
sound/usb/endpoint.c
View File

@ -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;
}
/**

2
sound/usb/endpoint.h
View File

@ -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);