mirrors/alsa-lib
1
0
Fork 0
mirror of https://github.com/alsa-project/alsa-lib.git synced 2025-11-02 09:01:48 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

Added SNDRV_PCM_STATE_DISCONNECTED state.

Browse source 
Changed direct plugins to handle DISCONNECT/SUSPEND states from slave.
This commit is contained in:
Jaroslav Kysela 2004-01-19 19:48:27 +00:00
parent bc2f075269
commit 9105bb7fcd
5 changed files with 89 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

10
src/pcm/pcm.c
View file

@ -199,6 +199,9 @@ In other case, the calls #snd_pcm_prepare(),
#snd_pcm_drop(), #snd_pcm_drain() can be used
to leave this state.
\par SND_PCM_STATE_DISCONNECTED
The device is physicaly disconnected. It does not accept any I/O calls in this state.
\section pcm_formats PCM formats
The full list of formats present the #snd_pcm_format_t type.
@ -1276,6 +1279,7 @@ static const char *snd_pcm_state_names[] = {
STATE(DRAINING),
STATE(PAUSED),
STATE(SUSPENDED),
STATE(DISCONNECTED),
};
static const char *snd_pcm_access_names[] = {
@ -2050,6 +2054,8 @@ int snd_pcm_wait(snd_pcm_t *pcm, int timeout)
return -EPIPE;
case SND_PCM_STATE_SUSPENDED:
return -ESTRPIPE;
case SND_PCM_STATE_DISCONNECTED:
return -ENOTTY; /* linux VFS does this? */
default:
return -EIO;
}
@ -5932,6 +5938,8 @@ snd_pcm_sframes_t snd_pcm_read_areas(snd_pcm_t *pcm, const snd_pcm_channel_area_
return -EPIPE;
case SND_PCM_STATE_SUSPENDED:
return -ESTRPIPE;
case SND_PCM_STATE_DISCONNECTED:
return -ENOTTY;
default:
return -EBADFD;
}
@ -6003,6 +6011,8 @@ snd_pcm_sframes_t snd_pcm_write_areas(snd_pcm_t *pcm, const snd_pcm_channel_area
return -EPIPE;
case SND_PCM_STATE_SUSPENDED:
return -ESTRPIPE;
case SND_PCM_STATE_DISCONNECTED:
return -ENOTTY;
default:
return -EBADFD;
}