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[ALSA] rme96 - Fix OSS full-duplex

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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>
This commit is contained in:
Takashi Iwai 2006-05-10 16:24:42 +02:00 committed by Jaroslav Kysela
parent 62fe78e90d
commit 2ce7fb579f
1 changed files with 23 additions and 9 deletions
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32
sound/pci/rme96.c
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@ -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;
}