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ALSA: usb-audio: remove deactivate_endpoints() 

The only call site for deactivate_endpoints() at snd_usb_hw_free().
The return value is not checked there, as it is irrelevant if it
fails on hw_free.
This patch moves the deactivation of the endpoints directly into
snd_usb_hw_free().

Signed-off-by: Eldad Zack <eldad@fogrefinery.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Eldad Zack 2013-10-06 22:31:07 +02:00 committed by Takashi Iwai
parent 9372103990
commit 26de5d0a8d
1 changed files with 2 additions and 17 deletions
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19
sound/usb/pcm.c
View File

@ -282,22 +282,6 @@ static void stop_endpoints(struct snd_usb_substream *subs, bool wait)
}
}
static int deactivate_endpoints(struct snd_usb_substream *subs)
{
int reta, retb;
reta = snd_usb_endpoint_deactivate(subs->sync_endpoint);
retb = snd_usb_endpoint_deactivate(subs->data_endpoint);
if (reta < 0)
return reta;
if (retb < 0)
return retb;
return 0;
}
static int search_roland_implicit_fb(struct usb_device *dev, int ifnum,
unsigned int altsetting,
struct usb_host_interface **alts,
@ -736,7 +720,8 @@ static int snd_usb_hw_free(struct snd_pcm_substream *substream)
down_read(&subs->stream->chip->shutdown_rwsem);
if (!subs->stream->chip->shutdown) {
stop_endpoints(subs, true);
deactivate_endpoints(subs);
snd_usb_endpoint_deactivate(subs->sync_endpoint);
snd_usb_endpoint_deactivate(subs->data_endpoint);
}
up_read(&subs->stream->chip->shutdown_rwsem);
return snd_pcm_lib_free_vmalloc_buffer(substream);