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Diffstat (limited to 'sound/firewire/dice')
-rw-r--r--sound/firewire/dice/dice-stream.c27
1 files changed, 14 insertions, 13 deletions
diff --git a/sound/firewire/dice/dice-stream.c b/sound/firewire/dice/dice-stream.c
index c3c892c5c7ff..8bce923dc4bd 100644
--- a/sound/firewire/dice/dice-stream.c
+++ b/sound/firewire/dice/dice-stream.c
@@ -230,6 +230,15 @@ static int keep_resources(struct snd_dice *dice,
fw_parent_device(dice->unit)->max_speed);
}
+static void finish_session(struct snd_dice *dice, struct reg_params *tx_params,
+ struct reg_params *rx_params)
+{
+ stop_streams(dice, AMDTP_IN_STREAM, tx_params);
+ stop_streams(dice, AMDTP_OUT_STREAM, rx_params);
+
+ snd_dice_transaction_clear_enable(dice);
+}
+
static int start_streams(struct snd_dice *dice, enum amdtp_stream_direction dir,
unsigned int rate, struct reg_params *params)
{
@@ -328,10 +337,8 @@ static int start_duplex_streams(struct snd_dice *dice, unsigned int rate)
if (err < 0)
return err;
- /* Stop transmission. */
- stop_streams(dice, AMDTP_IN_STREAM, &tx_params);
- stop_streams(dice, AMDTP_OUT_STREAM, &rx_params);
- snd_dice_transaction_clear_enable(dice);
+ // Stop transmission.
+ finish_session(dice, &tx_params, &rx_params);
release_resources(dice);
err = ensure_phase_lock(dice, rate);
@@ -373,9 +380,7 @@ static int start_duplex_streams(struct snd_dice *dice, unsigned int rate)
return 0;
error:
- stop_streams(dice, AMDTP_IN_STREAM, &tx_params);
- stop_streams(dice, AMDTP_OUT_STREAM, &rx_params);
- snd_dice_transaction_clear_enable(dice);
+ finish_session(dice, &tx_params, &rx_params);
release_resources(dice);
return err;
}
@@ -449,12 +454,8 @@ void snd_dice_stream_stop_duplex(struct snd_dice *dice)
if (dice->substreams_counter > 0)
return;
- snd_dice_transaction_clear_enable(dice);
-
- if (get_register_params(dice, &tx_params, &rx_params) == 0) {
- stop_streams(dice, AMDTP_IN_STREAM, &tx_params);
- stop_streams(dice, AMDTP_OUT_STREAM, &rx_params);
- }
+ if (get_register_params(dice, &tx_params, &rx_params) >= 0)
+ finish_session(dice, &tx_params, &rx_params);
release_resources(dice);
}