diff options
| author | Takashi Iwai <tiwai@suse.de> | 2006-04-28 13:13:41 (GMT) |
|---|---|---|
| committer | Jaroslav Kysela <perex@suse.cz> | 2006-06-22 19:33:13 (GMT) |
| commit | 0df63e44c3e315ec0fe427ae62558231864108bd (patch) | |
| tree | 3cff6f5d5fdb7ad047a61c591d891e3ca1bc669e /sound/usb | |
| parent | f001c3acf64b8ca18fe40af592629abb261b321e (diff) | |
| download | linux-0df63e44c3e315ec0fe427ae62558231864108bd.tar.xz | |
[ALSA] Add O_APPEND flag support to PCM
Added O_APPEND flag support to PCM to enable shared substreams
among multiple processes. This mechanism is used by dmix and
dsnoop plugins.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb')
| -rw-r--r-- | sound/usb/usx2y/usx2yhwdeppcm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sound/usb/usx2y/usx2yhwdeppcm.c b/sound/usb/usx2y/usx2yhwdeppcm.c index fe67a92..88b72b5 100644 --- a/sound/usb/usx2y/usx2yhwdeppcm.c +++ b/sound/usb/usx2y/usx2yhwdeppcm.c @@ -632,7 +632,7 @@ static int usX2Y_pcms_lock_check(struct snd_card *card) for (s = 0; s < 2; ++s) { struct snd_pcm_substream *substream; substream = pcm->streams[s].substream; - if (substream && substream->ffile != NULL) + if (SUBSTREAM_BUSY(substream)) err = -EBUSY; } } |