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Diffstat (limited to 'sound/firewire/bebob/bebob_pcm.c')
-rw-r--r--sound/firewire/bebob/bebob_pcm.c70
1 files changed, 18 insertions, 52 deletions
diff --git a/sound/firewire/bebob/bebob_pcm.c b/sound/firewire/bebob/bebob_pcm.c
index 2f50ec7b0147..0fb9eed46837 100644
--- a/sound/firewire/bebob/bebob_pcm.c
+++ b/sound/firewire/bebob/bebob_pcm.c
@@ -184,9 +184,8 @@ pcm_close(struct snd_pcm_substream *substream)
return 0;
}
-static int
-pcm_capture_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *hw_params)
+static int pcm_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *hw_params)
{
struct snd_bebob *bebob = substream->private_data;
int err;
@@ -197,62 +196,31 @@ pcm_capture_hw_params(struct snd_pcm_substream *substream,
return err;
if (substream->runtime->status->state == SNDRV_PCM_STATE_OPEN) {
- mutex_lock(&bebob->mutex);
- bebob->substreams_counter++;
- mutex_unlock(&bebob->mutex);
- }
+ unsigned int rate = params_rate(hw_params);
- return 0;
-}
-static int
-pcm_playback_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *hw_params)
-{
- struct snd_bebob *bebob = substream->private_data;
- int err;
-
- err = snd_pcm_lib_alloc_vmalloc_buffer(substream,
- params_buffer_bytes(hw_params));
- if (err < 0)
- return err;
-
- if (substream->runtime->status->state == SNDRV_PCM_STATE_OPEN) {
mutex_lock(&bebob->mutex);
- bebob->substreams_counter++;
+ err = snd_bebob_stream_reserve_duplex(bebob, rate);
+ if (err >= 0)
+ ++bebob->substreams_counter;
mutex_unlock(&bebob->mutex);
}
- return 0;
+ return err;
}
-static int
-pcm_capture_hw_free(struct snd_pcm_substream *substream)
+static int pcm_hw_free(struct snd_pcm_substream *substream)
{
struct snd_bebob *bebob = substream->private_data;
- if (substream->runtime->status->state != SNDRV_PCM_STATE_OPEN) {
- mutex_lock(&bebob->mutex);
- bebob->substreams_counter--;
- mutex_unlock(&bebob->mutex);
- }
-
- snd_bebob_stream_stop_duplex(bebob);
+ mutex_lock(&bebob->mutex);
- return snd_pcm_lib_free_vmalloc_buffer(substream);
-}
-static int
-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) {
- mutex_lock(&bebob->mutex);
+ if (substream->runtime->status->state != SNDRV_PCM_STATE_OPEN)
bebob->substreams_counter--;
- mutex_unlock(&bebob->mutex);
- }
snd_bebob_stream_stop_duplex(bebob);
+ mutex_unlock(&bebob->mutex);
+
return snd_pcm_lib_free_vmalloc_buffer(substream);
}
@@ -260,10 +228,9 @@ static int
pcm_capture_prepare(struct snd_pcm_substream *substream)
{
struct snd_bebob *bebob = substream->private_data;
- struct snd_pcm_runtime *runtime = substream->runtime;
int err;
- err = snd_bebob_stream_start_duplex(bebob, runtime->rate);
+ err = snd_bebob_stream_start_duplex(bebob);
if (err >= 0)
amdtp_stream_pcm_prepare(&bebob->tx_stream);
@@ -273,10 +240,9 @@ static int
pcm_playback_prepare(struct snd_pcm_substream *substream)
{
struct snd_bebob *bebob = substream->private_data;
- struct snd_pcm_runtime *runtime = substream->runtime;
int err;
- err = snd_bebob_stream_start_duplex(bebob, runtime->rate);
+ err = snd_bebob_stream_start_duplex(bebob);
if (err >= 0)
amdtp_stream_pcm_prepare(&bebob->rx_stream);
@@ -353,8 +319,8 @@ int snd_bebob_create_pcm_devices(struct snd_bebob *bebob)
.open = pcm_open,
.close = pcm_close,
.ioctl = snd_pcm_lib_ioctl,
- .hw_params = pcm_capture_hw_params,
- .hw_free = pcm_capture_hw_free,
+ .hw_params = pcm_hw_params,
+ .hw_free = pcm_hw_free,
.prepare = pcm_capture_prepare,
.trigger = pcm_capture_trigger,
.pointer = pcm_capture_pointer,
@@ -365,8 +331,8 @@ int snd_bebob_create_pcm_devices(struct snd_bebob *bebob)
.open = pcm_open,
.close = pcm_close,
.ioctl = snd_pcm_lib_ioctl,
- .hw_params = pcm_playback_hw_params,
- .hw_free = pcm_playback_hw_free,
+ .hw_params = pcm_hw_params,
+ .hw_free = pcm_hw_free,
.prepare = pcm_playback_prepare,
.trigger = pcm_playback_trigger,
.pointer = pcm_playback_pointer,