Commit f2777c13 authored by Takashi Iwai's avatar Takashi Iwai
Browse files

Merge branch 'topic/firewire-update' into for-next

parents 5ce8cc48 4d2c50a0
Loading
Loading
Loading
Loading
+2 −2
Original line number Diff line number Diff line
@@ -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;
+12 −4
Original line number Diff line number Diff line
@@ -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;
+20 −8
Original line number Diff line number Diff line
@@ -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);

+12 −20
Original line number Diff line number Diff line
@@ -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)