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path: root/sound/pci/rme96.c
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Diffstat (limited to 'sound/pci/rme96.c')
-rw-r--r--sound/pci/rme96.c44
1 files changed, 29 insertions, 15 deletions
diff --git a/sound/pci/rme96.c b/sound/pci/rme96.c
index 3c1bc533d511..991cb18c14f3 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;
}
@@ -1569,17 +1583,17 @@ snd_rme96_create(struct rme96 *rme96)
return err;
rme96->port = pci_resource_start(rme96->pci, 0);
+ if ((rme96->iobase = ioremap_nocache(rme96->port, RME96_IO_SIZE)) == 0) {
+ snd_printk(KERN_ERR "unable to remap memory region 0x%lx-0x%lx\n", rme96->port, rme96->port + RME96_IO_SIZE - 1);
+ return -ENOMEM;
+ }
+
if (request_irq(pci->irq, snd_rme96_interrupt, SA_INTERRUPT|SA_SHIRQ, "RME96", (void *)rme96)) {
snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
return -EBUSY;
}
rme96->irq = pci->irq;
- if ((rme96->iobase = ioremap_nocache(rme96->port, RME96_IO_SIZE)) == 0) {
- snd_printk(KERN_ERR "unable to remap memory region 0x%lx-0x%lx\n", rme96->port, rme96->port + RME96_IO_SIZE - 1);
- return -ENOMEM;
- }
-
/* read the card's revision number */
pci_read_config_byte(pci, 8, &rme96->rev);
@@ -1805,7 +1819,7 @@ snd_rme96_proc_init(struct rme96 *rme96)
struct snd_info_entry *entry;
if (! snd_card_proc_new(rme96->card, "rme96", &entry))
- snd_info_set_text_ops(entry, rme96, 1024, snd_rme96_proc_read);
+ snd_info_set_text_ops(entry, rme96, snd_rme96_proc_read);
}
/*