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>

diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 7eab3ae..733bce6 100644 (file)
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -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()