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ALSA: hda - Don't set up active streams twice 

We don't have to set up a stream that has been already set up
previously.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2013-01-07 15:36:45 +01:00
parent 50b1548775
commit affdb62b81
1 changed files with 2 additions and 2 deletions
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4
sound/pci/hda/hda_codec.c
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@ -1493,7 +1493,7 @@ void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
"NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
nid, stream_tag, channel_id, format);
p = get_hda_cvt_setup(codec, nid);
if (!p)
if (!p || p->active)
return;
if (codec->pcm_format_first)
@ -1540,7 +1540,7 @@ void __snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid,
snd_printdd("hda_codec_cleanup_stream: NID=0x%x\n", nid);
p = get_hda_cvt_setup(codec, nid);
if (p) {
if (p && p->active) {
/* here we just clear the active flag when do_now isn't set;
* actual clean-ups will be done later in
* purify_inactive_streams() called from snd_hda_codec_prpapre()