diff options
| author | Takashi Sakamoto <o-takashi@sakamocchi.jp> | 2015-06-14 12:49:36 +0900 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2015-06-15 13:38:29 +0200 |
| commit | 8d1c2694e45bd5a1b7e79734952e8dfb6f2974a6 (patch) | |
| tree | 56483a3ab88dd00554dbb0bd4e140cad5c5f164b /sound/firewire/bebob/bebob_pcm.c | |
| parent | c4d860a0d256663937b51468ea13de3c2cd2a09d (diff) | |
ALSA: bebob: keep duplex streams always to keep internal multiplexer properly
Behringer FCA610 transmits packets with periodic noisy PCM samples
when receiving no streams, and generates a bit noisy sound.
ALSA BeBoB driver is programmed to establish both in/out connections
when starting streaming, then transfers packets as userspace applications
requested. This means that there's a case that one of incoming/outgoing
streams is running, to save CPU and bandwidth usage. Although, it's natural
to start transferring packets in both direction.
This commit makes this driver to keeps duplex streams always.
Tested-by: Kim Tore Jensen <kim@incendio.no>
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/firewire/bebob/bebob_pcm.c')
| -rw-r--r-- | sound/firewire/bebob/bebob_pcm.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/sound/firewire/bebob/bebob_pcm.c b/sound/firewire/bebob/bebob_pcm.c index e0a6b065952f..7a2c1f53bc44 100644 --- a/sound/firewire/bebob/bebob_pcm.c +++ b/sound/firewire/bebob/bebob_pcm.c @@ -213,7 +213,7 @@ pcm_capture_hw_params(struct snd_pcm_substream *substream, struct snd_bebob *bebob = substream->private_data; if (substream->runtime->status->state == SNDRV_PCM_STATE_OPEN) - atomic_inc(&bebob->capture_substreams); + atomic_inc(&bebob->substreams_counter); amdtp_stream_set_pcm_format(&bebob->tx_stream, params_format(hw_params)); return snd_pcm_lib_alloc_vmalloc_buffer(substream, @@ -226,7 +226,7 @@ pcm_playback_hw_params(struct snd_pcm_substream *substream, struct snd_bebob *bebob = substream->private_data; if (substream->runtime->status->state == SNDRV_PCM_STATE_OPEN) - atomic_inc(&bebob->playback_substreams); + atomic_inc(&bebob->substreams_counter); amdtp_stream_set_pcm_format(&bebob->rx_stream, params_format(hw_params)); return snd_pcm_lib_alloc_vmalloc_buffer(substream, @@ -239,7 +239,7 @@ pcm_capture_hw_free(struct snd_pcm_substream *substream) struct snd_bebob *bebob = substream->private_data; if (substream->runtime->status->state != SNDRV_PCM_STATE_OPEN) - atomic_dec(&bebob->capture_substreams); + atomic_dec(&bebob->substreams_counter); snd_bebob_stream_stop_duplex(bebob); @@ -251,7 +251,7 @@ pcm_playback_hw_free(struct snd_pcm_substream *substream) struct snd_bebob *bebob = substream->private_data; if (substream->runtime->status->state != SNDRV_PCM_STATE_OPEN) - atomic_dec(&bebob->playback_substreams); + atomic_dec(&bebob->substreams_counter); snd_bebob_stream_stop_duplex(bebob); |