[alsa-devel] [PATCH 07/10] ALSA: firewire-motu: code refactoring to finish streaming session
Takashi Sakamoto
o-takashi at sakamocchi.jp
Mon Jun 17 10:15:07 CEST 2019
The operation to finish packet streaming includes stopping isochronous
contexts. This commit merges it to the helper function.
Signed-off-by: Takashi Sakamoto <o-takashi at sakamocchi.jp>
---
sound/firewire/motu/motu-stream.c | 17 ++++++-----------
1 file changed, 6 insertions(+), 11 deletions(-)
diff --git a/sound/firewire/motu/motu-stream.c b/sound/firewire/motu/motu-stream.c
index 4fbec35eaad5..53c43848b137 100644
--- a/sound/firewire/motu/motu-stream.c
+++ b/sound/firewire/motu/motu-stream.c
@@ -101,6 +101,9 @@ static void finish_session(struct snd_motu *motu)
if (err < 0)
return;
+ amdtp_stream_stop(&motu->tx_stream);
+ amdtp_stream_stop(&motu->rx_stream);
+
err = snd_motu_transaction_read(motu, ISOC_COMM_CONTROL_OFFSET, ®,
sizeof(reg));
if (err < 0)
@@ -219,11 +222,8 @@ int snd_motu_stream_start_duplex(struct snd_motu *motu, unsigned int rate)
rate = curr_rate;
if (rate != curr_rate ||
amdtp_streaming_error(&motu->rx_stream) ||
- amdtp_streaming_error(&motu->tx_stream)) {
- amdtp_stream_stop(&motu->rx_stream);
- amdtp_stream_stop(&motu->tx_stream);
+ amdtp_streaming_error(&motu->tx_stream))
finish_session(motu);
- }
if (!amdtp_stream_running(&motu->rx_stream)) {
err = protocol->set_clock_rate(motu, rate);
@@ -278,13 +278,8 @@ int snd_motu_stream_start_duplex(struct snd_motu *motu, unsigned int rate)
void snd_motu_stream_stop_duplex(struct snd_motu *motu)
{
- if (motu->substreams_counter == 0) {
- amdtp_stream_stop(&motu->tx_stream);
- amdtp_stream_stop(&motu->rx_stream);
-
- fw_iso_resources_free(&motu->tx_resources);
- fw_iso_resources_free(&motu->rx_resources);
- }
+ if (motu->substreams_counter == 0)
+ finish_session(motu);
}
static int init_stream(struct snd_motu *motu, enum amdtp_stream_direction dir)
--
2.20.1
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