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ALSA: oxfw: expand stop procedure for packet streaming 

The helper function stop packet streaming is not enough useful. This
commit obsoletes it and expands its code.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Sakamoto 2019-06-12 17:44:18 +09:00 committed by Takashi Iwai
parent 7efa19ab48
commit e34244dd22
1 changed files with 35 additions and 33 deletions
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68
sound/firewire/oxfw/oxfw-stream.c
View File

@ -101,17 +101,6 @@ static int set_stream_format(struct snd_oxfw *oxfw, struct amdtp_stream *s,
return 0;
}
static void stop_stream(struct snd_oxfw *oxfw, struct amdtp_stream *stream)
{
amdtp_stream_pcm_abort(stream);
amdtp_stream_stop(stream);
if (stream == &oxfw->tx_stream)
cmp_connection_break(&oxfw->out_conn);
else
cmp_connection_break(&oxfw->in_conn);
}
static int start_stream(struct snd_oxfw *oxfw, struct amdtp_stream *stream)
{
u8 **formats;
@ -158,28 +147,27 @@ static int start_stream(struct snd_oxfw *oxfw, struct amdtp_stream *stream)
err = amdtp_am824_set_parameters(stream, formation.rate, formation.pcm,
formation.midi * 8, false);
if (err < 0)
goto end;
return err;
err = cmp_connection_establish(conn,
amdtp_stream_get_max_payload(stream));
if (err < 0)
goto end;
return err;
err = amdtp_stream_start(stream,
conn->resources.channel,
conn->speed);
err = amdtp_stream_start(stream, conn->resources.channel, conn->speed);
if (err < 0) {
cmp_connection_break(conn);
goto end;
return err;
}
/* Wait first packet */
// Wait first packet.
if (!amdtp_stream_wait_callback(stream, CALLBACK_TIMEOUT)) {
stop_stream(oxfw, stream);
err = -ETIMEDOUT;
amdtp_stream_stop(stream);
cmp_connection_break(conn);
return -ETIMEDOUT;
}
end:
return err;
return 0;
}
static int check_connection_used_by_others(struct snd_oxfw *oxfw,
@ -288,9 +276,13 @@ int snd_oxfw_stream_start_simplex(struct snd_oxfw *oxfw,
if (formation.rate != rate || formation.pcm != pcm_channels ||
amdtp_streaming_error(&oxfw->rx_stream) ||
amdtp_streaming_error(&oxfw->tx_stream)) {
stop_stream(oxfw, &oxfw->rx_stream);
if (oxfw->has_output)
stop_stream(oxfw, &oxfw->tx_stream);
amdtp_stream_stop(&oxfw->rx_stream);
cmp_connection_break(&oxfw->in_conn);
if (oxfw->has_output) {
amdtp_stream_stop(&oxfw->tx_stream);
cmp_connection_break(&oxfw->out_conn);
}
err = set_stream_format(oxfw, stream, rate, pcm_channels);
if (err < 0) {
@ -322,10 +314,10 @@ int snd_oxfw_stream_start_simplex(struct snd_oxfw *oxfw,
return 0;
error:
stop_stream(oxfw, &oxfw->rx_stream);
amdtp_stream_stop(&oxfw->rx_stream);
cmp_connection_break(&oxfw->in_conn);
if (oxfw->has_output) {
stop_stream(oxfw, &oxfw->tx_stream);
amdtp_stream_stop(&oxfw->tx_stream);
cmp_connection_break(&oxfw->out_conn);
}
return err;
@ -335,10 +327,13 @@ void snd_oxfw_stream_stop_simplex(struct snd_oxfw *oxfw,
struct amdtp_stream *stream)
{
if (oxfw->capture_substreams == 0 && oxfw->playback_substreams == 0) {
stop_stream(oxfw, &oxfw->rx_stream);
amdtp_stream_stop(&oxfw->rx_stream);
cmp_connection_break(&oxfw->in_conn);
if (oxfw->has_output)
stop_stream(oxfw, &oxfw->tx_stream);
if (oxfw->has_output) {
amdtp_stream_stop(&oxfw->tx_stream);
cmp_connection_break(&oxfw->out_conn);
}
}
}
@ -363,10 +358,17 @@ void snd_oxfw_stream_destroy_simplex(struct snd_oxfw *oxfw,
void snd_oxfw_stream_update_simplex(struct snd_oxfw *oxfw,
struct amdtp_stream *stream)
{
stop_stream(oxfw, &oxfw->rx_stream);
amdtp_stream_stop(&oxfw->rx_stream);
cmp_connection_break(&oxfw->in_conn);
if (oxfw->has_output)
stop_stream(oxfw, &oxfw->tx_stream);
amdtp_stream_pcm_abort(&oxfw->rx_stream);
if (oxfw->has_output) {
amdtp_stream_stop(&oxfw->tx_stream);
cmp_connection_break(&oxfw->out_conn);
amdtp_stream_pcm_abort(&oxfw->tx_stream);
}
}
int snd_oxfw_stream_get_current_formation(struct snd_oxfw *oxfw,