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>
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2 changed files with 6 additions and 11 deletions
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@ -946,28 +946,23 @@ void snd_usb_endpoint_stop(struct snd_usb_endpoint *ep)
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*
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* @ep: the endpoint to deactivate
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*
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* If the endpoint is not currently in use, this functions will select the
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* alternate interface setting 0 for the interface of this endpoint.
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* If the endpoint is not currently in use, this functions will
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* deactivate its associated URBs.
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*
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* In case of any active users, this functions does nothing.
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*
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* Returns an error if usb_set_interface() failed, 0 in all other
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* cases.
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*/
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int snd_usb_endpoint_deactivate(struct snd_usb_endpoint *ep)
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void snd_usb_endpoint_deactivate(struct snd_usb_endpoint *ep)
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{
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if (!ep)
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return -EINVAL;
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return;
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if (ep->use_count != 0)
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return 0;
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return;
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deactivate_urbs(ep, true);
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wait_clear_urbs(ep);
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clear_bit(EP_FLAG_ACTIVATED, &ep->flags);
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return 0;
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}
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/**
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@ -22,7 +22,7 @@ int snd_usb_endpoint_start(struct snd_usb_endpoint *ep, bool can_sleep);
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void snd_usb_endpoint_stop(struct snd_usb_endpoint *ep);
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void snd_usb_endpoint_sync_pending_stop(struct snd_usb_endpoint *ep);
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int snd_usb_endpoint_activate(struct snd_usb_endpoint *ep);
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int snd_usb_endpoint_deactivate(struct snd_usb_endpoint *ep);
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void snd_usb_endpoint_deactivate(struct snd_usb_endpoint *ep);
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void snd_usb_endpoint_free(struct list_head *head);
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int snd_usb_endpoint_implicit_feedback_sink(struct snd_usb_endpoint *ep);
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