summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--sound/firewire/oxfw/oxfw-midi.c4
-rw-r--r--sound/firewire/oxfw/oxfw-pcm.c17
-rw-r--r--sound/firewire/oxfw/oxfw-stream.c5
-rw-r--r--sound/firewire/oxfw/oxfw.h3
4 files changed, 22 insertions, 7 deletions
diff --git a/sound/firewire/oxfw/oxfw-midi.c b/sound/firewire/oxfw/oxfw-midi.c
index 72db7a17d0ad..775cba3f1f02 100644
--- a/sound/firewire/oxfw/oxfw-midi.c
+++ b/sound/firewire/oxfw/oxfw-midi.c
@@ -18,7 +18,7 @@ static int midi_capture_open(struct snd_rawmidi_substream *substream)
mutex_lock(&oxfw->mutex);
- err = snd_oxfw_stream_reserve_duplex(oxfw, &oxfw->tx_stream, 0, 0, 0);
+ err = snd_oxfw_stream_reserve_duplex(oxfw, &oxfw->tx_stream, 0, 0, 0, 0);
if (err >= 0) {
++oxfw->substreams_count;
err = snd_oxfw_stream_start_duplex(oxfw);
@@ -45,7 +45,7 @@ static int midi_playback_open(struct snd_rawmidi_substream *substream)
mutex_lock(&oxfw->mutex);
- err = snd_oxfw_stream_reserve_duplex(oxfw, &oxfw->rx_stream, 0, 0, 0);
+ err = snd_oxfw_stream_reserve_duplex(oxfw, &oxfw->rx_stream, 0, 0, 0, 0);
if (err >= 0) {
++oxfw->substreams_count;
err = snd_oxfw_stream_start_duplex(oxfw);
diff --git a/sound/firewire/oxfw/oxfw-pcm.c b/sound/firewire/oxfw/oxfw-pcm.c
index f3e25898d270..ba586d1ac91d 100644
--- a/sound/firewire/oxfw/oxfw-pcm.c
+++ b/sound/firewire/oxfw/oxfw-pcm.c
@@ -188,6 +188,7 @@ static int pcm_open(struct snd_pcm_substream *substream)
// at current one.
if (oxfw->substreams_count > 0 && d->events_per_period > 0) {
unsigned int frames_per_period = d->events_per_period;
+ unsigned int frames_per_buffer = d->events_per_buffer;
err = limit_to_current_params(substream);
if (err < 0) {
@@ -203,6 +204,14 @@ static int pcm_open(struct snd_pcm_substream *substream)
mutex_unlock(&oxfw->mutex);
goto err_locked;
}
+
+ err = snd_pcm_hw_constraint_minmax(substream->runtime,
+ SNDRV_PCM_HW_PARAM_BUFFER_SIZE,
+ frames_per_buffer, frames_per_buffer);
+ if (err < 0) {
+ mutex_unlock(&oxfw->mutex);
+ goto err_locked;
+ }
}
}
@@ -239,10 +248,12 @@ static int pcm_capture_hw_params(struct snd_pcm_substream *substream,
unsigned int rate = params_rate(hw_params);
unsigned int channels = params_channels(hw_params);
unsigned int frames_per_period = params_period_size(hw_params);
+ unsigned int frames_per_buffer = params_buffer_size(hw_params);
mutex_lock(&oxfw->mutex);
err = snd_oxfw_stream_reserve_duplex(oxfw, &oxfw->tx_stream,
- rate, channels, frames_per_period);
+ rate, channels, frames_per_period,
+ frames_per_buffer);
if (err >= 0)
++oxfw->substreams_count;
mutex_unlock(&oxfw->mutex);
@@ -265,10 +276,12 @@ static int pcm_playback_hw_params(struct snd_pcm_substream *substream,
unsigned int rate = params_rate(hw_params);
unsigned int channels = params_channels(hw_params);
unsigned int frames_per_period = params_period_size(hw_params);
+ unsigned int frames_per_buffer = params_buffer_size(hw_params);
mutex_lock(&oxfw->mutex);
err = snd_oxfw_stream_reserve_duplex(oxfw, &oxfw->rx_stream,
- rate, channels, frames_per_period);
+ rate, channels, frames_per_period,
+ frames_per_buffer);
if (err >= 0)
++oxfw->substreams_count;
mutex_unlock(&oxfw->mutex);
diff --git a/sound/firewire/oxfw/oxfw-stream.c b/sound/firewire/oxfw/oxfw-stream.c
index 318de8217b3a..995e9c5bd84b 100644
--- a/sound/firewire/oxfw/oxfw-stream.c
+++ b/sound/firewire/oxfw/oxfw-stream.c
@@ -245,7 +245,8 @@ static int keep_resources(struct snd_oxfw *oxfw, struct amdtp_stream *stream)
int snd_oxfw_stream_reserve_duplex(struct snd_oxfw *oxfw,
struct amdtp_stream *stream,
unsigned int rate, unsigned int pcm_channels,
- unsigned int frames_per_period)
+ unsigned int frames_per_period,
+ unsigned int frames_per_buffer)
{
struct snd_oxfw_stream_formation formation;
enum avc_general_plug_dir dir;
@@ -308,7 +309,7 @@ int snd_oxfw_stream_reserve_duplex(struct snd_oxfw *oxfw,
}
err = amdtp_domain_set_events_per_period(&oxfw->domain,
- frames_per_period, 0);
+ frames_per_period, frames_per_buffer);
if (err < 0) {
cmp_connection_release(&oxfw->in_conn);
if (oxfw->has_output)
diff --git a/sound/firewire/oxfw/oxfw.h b/sound/firewire/oxfw/oxfw.h
index 422746ef2439..c30e537087b0 100644
--- a/sound/firewire/oxfw/oxfw.h
+++ b/sound/firewire/oxfw/oxfw.h
@@ -104,7 +104,8 @@ int snd_oxfw_stream_init_duplex(struct snd_oxfw *oxfw);
int snd_oxfw_stream_reserve_duplex(struct snd_oxfw *oxfw,
struct amdtp_stream *stream,
unsigned int rate, unsigned int pcm_channels,
- unsigned int frames_per_period);
+ unsigned int frames_per_period,
+ unsigned int frames_per_buffer);
int snd_oxfw_stream_start_duplex(struct snd_oxfw *oxfw);
void snd_oxfw_stream_stop_duplex(struct snd_oxfw *oxfw);
void snd_oxfw_stream_destroy_duplex(struct snd_oxfw *oxfw);