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-rw-r--r--sound/firewire/fireworks/fireworks.h4
-rw-r--r--sound/firewire/fireworks/fireworks_midi.c16
-rw-r--r--sound/firewire/fireworks/fireworks_pcm.c28
-rw-r--r--sound/firewire/fireworks/fireworks_stream.c32
4 files changed, 46 insertions, 34 deletions
diff --git a/sound/firewire/fireworks/fireworks.h b/sound/firewire/fireworks/fireworks.h
index c7cb7deafe48..96c4e0c6a9bd 100644
--- a/sound/firewire/fireworks/fireworks.h
+++ b/sound/firewire/fireworks/fireworks.h
@@ -86,8 +86,8 @@ struct snd_efw {
struct amdtp_stream rx_stream;
struct cmp_connection out_conn;
struct cmp_connection in_conn;
- atomic_t capture_substreams;
- atomic_t playback_substreams;
+ unsigned int capture_substreams;
+ unsigned int playback_substreams;
/* hardware metering parameters */
unsigned int phys_out;
diff --git a/sound/firewire/fireworks/fireworks_midi.c b/sound/firewire/fireworks/fireworks_midi.c
index fba01bbba456..3e8c4cf9fe1e 100644
--- a/sound/firewire/fireworks/fireworks_midi.c
+++ b/sound/firewire/fireworks/fireworks_midi.c
@@ -17,8 +17,10 @@ static int midi_capture_open(struct snd_rawmidi_substream *substream)
if (err < 0)
goto end;
- atomic_inc(&efw->capture_substreams);
+ mutex_lock(&efw->mutex);
+ efw->capture_substreams++;
err = snd_efw_stream_start_duplex(efw, 0);
+ mutex_unlock(&efw->mutex);
if (err < 0)
snd_efw_stream_lock_release(efw);
@@ -35,8 +37,10 @@ static int midi_playback_open(struct snd_rawmidi_substream *substream)
if (err < 0)
goto end;
- atomic_inc(&efw->playback_substreams);
+ mutex_lock(&efw->mutex);
+ efw->playback_substreams++;
err = snd_efw_stream_start_duplex(efw, 0);
+ mutex_unlock(&efw->mutex);
if (err < 0)
snd_efw_stream_lock_release(efw);
end:
@@ -47,8 +51,10 @@ static int midi_capture_close(struct snd_rawmidi_substream *substream)
{
struct snd_efw *efw = substream->rmidi->private_data;
- atomic_dec(&efw->capture_substreams);
+ mutex_lock(&efw->mutex);
+ efw->capture_substreams--;
snd_efw_stream_stop_duplex(efw);
+ mutex_unlock(&efw->mutex);
snd_efw_stream_lock_release(efw);
return 0;
@@ -58,8 +64,10 @@ static int midi_playback_close(struct snd_rawmidi_substream *substream)
{
struct snd_efw *efw = substream->rmidi->private_data;
- atomic_dec(&efw->playback_substreams);
+ mutex_lock(&efw->mutex);
+ efw->playback_substreams--;
snd_efw_stream_stop_duplex(efw);
+ mutex_unlock(&efw->mutex);
snd_efw_stream_lock_release(efw);
return 0;
diff --git a/sound/firewire/fireworks/fireworks_pcm.c b/sound/firewire/fireworks/fireworks_pcm.c
index d27135bac513..f4fbf75ed198 100644
--- a/sound/firewire/fireworks/fireworks_pcm.c
+++ b/sound/firewire/fireworks/fireworks_pcm.c
@@ -251,8 +251,11 @@ static int pcm_capture_hw_params(struct snd_pcm_substream *substream,
if (err < 0)
return err;
- if (substream->runtime->status->state == SNDRV_PCM_STATE_OPEN)
- atomic_inc(&efw->capture_substreams);
+ if (substream->runtime->status->state == SNDRV_PCM_STATE_OPEN) {
+ mutex_lock(&efw->mutex);
+ efw->capture_substreams++;
+ mutex_unlock(&efw->mutex);
+ }
amdtp_am824_set_pcm_format(&efw->tx_stream, params_format(hw_params));
@@ -269,8 +272,11 @@ static int pcm_playback_hw_params(struct snd_pcm_substream *substream,
if (err < 0)
return err;
- if (substream->runtime->status->state == SNDRV_PCM_STATE_OPEN)
- atomic_inc(&efw->playback_substreams);
+ if (substream->runtime->status->state == SNDRV_PCM_STATE_OPEN) {
+ mutex_lock(&efw->mutex);
+ efw->playback_substreams++;
+ mutex_unlock(&efw->mutex);
+ }
amdtp_am824_set_pcm_format(&efw->rx_stream, params_format(hw_params));
@@ -281,8 +287,11 @@ static int pcm_capture_hw_free(struct snd_pcm_substream *substream)
{
struct snd_efw *efw = substream->private_data;
- if (substream->runtime->status->state != SNDRV_PCM_STATE_OPEN)
- atomic_dec(&efw->capture_substreams);
+ if (substream->runtime->status->state != SNDRV_PCM_STATE_OPEN) {
+ mutex_lock(&efw->mutex);
+ efw->capture_substreams--;
+ mutex_unlock(&efw->mutex);
+ }
snd_efw_stream_stop_duplex(efw);
@@ -292,8 +301,11 @@ static int pcm_playback_hw_free(struct snd_pcm_substream *substream)
{
struct snd_efw *efw = substream->private_data;
- if (substream->runtime->status->state != SNDRV_PCM_STATE_OPEN)
- atomic_dec(&efw->playback_substreams);
+ if (substream->runtime->status->state != SNDRV_PCM_STATE_OPEN) {
+ mutex_lock(&efw->mutex);
+ efw->playback_substreams--;
+ mutex_unlock(&efw->mutex);
+ }
snd_efw_stream_stop_duplex(efw);
diff --git a/sound/firewire/fireworks/fireworks_stream.c b/sound/firewire/fireworks/fireworks_stream.c
index 759f6e3ed44a..968a40a1beb2 100644
--- a/sound/firewire/fireworks/fireworks_stream.c
+++ b/sound/firewire/fireworks/fireworks_stream.c
@@ -209,16 +209,13 @@ end:
int snd_efw_stream_start_duplex(struct snd_efw *efw, unsigned int rate)
{
struct amdtp_stream *master, *slave;
- atomic_t *slave_substreams;
+ unsigned int slave_substreams;
enum cip_flags sync_mode;
unsigned int curr_rate;
int err = 0;
- mutex_lock(&efw->mutex);
-
/* Need no substreams */
- if ((atomic_read(&efw->playback_substreams) == 0) &&
- (atomic_read(&efw->capture_substreams) == 0))
+ if (efw->playback_substreams == 0 && efw->capture_substreams == 0)
goto end;
err = get_sync_mode(efw, &sync_mode);
@@ -227,11 +224,11 @@ int snd_efw_stream_start_duplex(struct snd_efw *efw, unsigned int rate)
if (sync_mode == CIP_SYNC_TO_DEVICE) {
master = &efw->tx_stream;
slave = &efw->rx_stream;
- slave_substreams = &efw->playback_substreams;
+ slave_substreams = efw->playback_substreams;
} else {
master = &efw->rx_stream;
slave = &efw->tx_stream;
- slave_substreams = &efw->capture_substreams;
+ slave_substreams = efw->capture_substreams;
}
/*
@@ -277,7 +274,7 @@ int snd_efw_stream_start_duplex(struct snd_efw *efw, unsigned int rate)
}
/* start slave if needed */
- if (atomic_read(slave_substreams) > 0 && !amdtp_stream_running(slave)) {
+ if (slave_substreams > 0 && !amdtp_stream_running(slave)) {
err = start_stream(efw, slave, rate);
if (err < 0) {
dev_err(&efw->unit->device,
@@ -286,37 +283,32 @@ int snd_efw_stream_start_duplex(struct snd_efw *efw, unsigned int rate)
}
}
end:
- mutex_unlock(&efw->mutex);
return err;
}
void snd_efw_stream_stop_duplex(struct snd_efw *efw)
{
struct amdtp_stream *master, *slave;
- atomic_t *master_substreams, *slave_substreams;
+ unsigned int master_substreams, slave_substreams;
if (efw->master == &efw->rx_stream) {
slave = &efw->tx_stream;
master = &efw->rx_stream;
- slave_substreams = &efw->capture_substreams;
- master_substreams = &efw->playback_substreams;
+ slave_substreams = efw->capture_substreams;
+ master_substreams = efw->playback_substreams;
} else {
slave = &efw->rx_stream;
master = &efw->tx_stream;
- slave_substreams = &efw->playback_substreams;
- master_substreams = &efw->capture_substreams;
+ slave_substreams = efw->playback_substreams;
+ master_substreams = efw->capture_substreams;
}
- mutex_lock(&efw->mutex);
-
- if (atomic_read(slave_substreams) == 0) {
+ if (slave_substreams == 0) {
stop_stream(efw, slave);
- if (atomic_read(master_substreams) == 0)
+ if (master_substreams == 0)
stop_stream(efw, master);
}
-
- mutex_unlock(&efw->mutex);
}
void snd_efw_stream_update_duplex(struct snd_efw *efw)
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-20 05:44:29 +0100