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| author | Takashi Iwai <tiwai@suse.de> | 2006-05-10 16:24:42 +0200 |
|---|---|---|
| committer | Jaroslav Kysela <perex@suse.cz> | 2006-06-22 21:33:32 +0200 |
| commit | 2ce7fb579f842f76a0216618c105bffd334d9233 (patch) | |
| tree | e84026ba0f087b4fdad4edd10d7db5c940b28bf0 /sound/pci | |
| parent | 62fe78e90dc25b269362034487dc450cd8453e8c (diff) | |
| download | linux-2ce7fb579f842f76a0216618c105bffd334d9233.tar.bz2 | |
[ALSA] rme96 - Fix OSS full-duplex
Fixed a bug in rme96 driver that the full-duplex on OSS emulation
doesn't work due to the invalid period size parameter.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci')
| -rw-r--r-- | sound/pci/rme96.c | 32 |
1 files changed, 23 insertions, 9 deletions
diff --git a/sound/pci/rme96.c b/sound/pci/rme96.c index 75a8b754ef28..65611a7d366d 100644 --- a/sound/pci/rme96.c +++ b/sound/pci/rme96.c @@ -1151,6 +1151,25 @@ static struct snd_pcm_hw_constraint_list hw_constraints_period_bytes = { .mask = 0 }; +static void +rme96_set_buffer_size_constraint(struct rme96 *rme96, + struct snd_pcm_runtime *runtime) +{ + unsigned int size; + + snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, + RME96_BUFFER_SIZE, RME96_BUFFER_SIZE); + if ((size = rme96->playback_periodsize) != 0 || + (size = rme96->capture_periodsize) != 0) + snd_pcm_hw_constraint_minmax(runtime, + SNDRV_PCM_HW_PARAM_PERIOD_BYTES, + size, size); + else + snd_pcm_hw_constraint_list(runtime, 0, + SNDRV_PCM_HW_PARAM_PERIOD_BYTES, + &hw_constraints_period_bytes); +} + static int snd_rme96_playback_spdif_open(struct snd_pcm_substream *substream) { @@ -1180,8 +1199,7 @@ snd_rme96_playback_spdif_open(struct snd_pcm_substream *substream) runtime->hw.rate_min = rate; runtime->hw.rate_max = rate; } - snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, RME96_BUFFER_SIZE, RME96_BUFFER_SIZE); - snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_period_bytes); + rme96_set_buffer_size_constraint(rme96, runtime); rme96->wcreg_spdif_stream = rme96->wcreg_spdif; rme96->spdif_ctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE; @@ -1219,9 +1237,7 @@ snd_rme96_capture_spdif_open(struct snd_pcm_substream *substream) rme96->capture_substream = substream; spin_unlock_irq(&rme96->lock); - snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, RME96_BUFFER_SIZE, RME96_BUFFER_SIZE); - snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_period_bytes); - + rme96_set_buffer_size_constraint(rme96, runtime); return 0; } @@ -1254,8 +1270,7 @@ snd_rme96_playback_adat_open(struct snd_pcm_substream *substream) runtime->hw.rate_min = rate; runtime->hw.rate_max = rate; } - snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, RME96_BUFFER_SIZE, RME96_BUFFER_SIZE); - snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_period_bytes); + rme96_set_buffer_size_constraint(rme96, runtime); return 0; } @@ -1291,8 +1306,7 @@ snd_rme96_capture_adat_open(struct snd_pcm_substream *substream) rme96->capture_substream = substream; spin_unlock_irq(&rme96->lock); - snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, RME96_BUFFER_SIZE, RME96_BUFFER_SIZE); - snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_period_bytes); + rme96_set_buffer_size_constraint(rme96, runtime); return 0; } |