diff options
Diffstat (limited to 'sound/firewire/motu/motu-stream.c')
| -rw-r--r-- | sound/firewire/motu/motu-stream.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/sound/firewire/motu/motu-stream.c b/sound/firewire/motu/motu-stream.c index 5d8d067f366d..369002568b2d 100644 --- a/sound/firewire/motu/motu-stream.c +++ b/sound/firewire/motu/motu-stream.c @@ -153,6 +153,9 @@ int snd_motu_stream_reserve_duplex(struct snd_motu *motu, unsigned int rate, fw_iso_resources_free(&motu->tx_resources); fw_iso_resources_free(&motu->rx_resources); + kfree(motu->cache.event_offsets); + motu->cache.event_offsets = NULL; + err = snd_motu_protocol_set_clock_rate(motu, rate); if (err < 0) { dev_err(&motu->unit->device, @@ -181,6 +184,15 @@ int snd_motu_stream_reserve_duplex(struct snd_motu *motu, unsigned int rate, fw_iso_resources_free(&motu->rx_resources); return err; } + + motu->cache.size = motu->tx_stream.syt_interval * frames_per_buffer; + motu->cache.event_offsets = kcalloc(motu->cache.size, sizeof(*motu->cache.event_offsets), + GFP_KERNEL); + if (!motu->cache.event_offsets) { + fw_iso_resources_free(&motu->tx_resources); + fw_iso_resources_free(&motu->rx_resources); + return err; + } } return 0; @@ -260,6 +272,9 @@ int snd_motu_stream_start_duplex(struct snd_motu *motu) if (err < 0) goto stop_streams; + motu->cache.tail = 0; + motu->cache.tx_cycle_count = UINT_MAX; + err = amdtp_domain_start(&motu->domain, 0, false, false); if (err < 0) goto stop_streams; @@ -293,6 +308,9 @@ void snd_motu_stream_stop_duplex(struct snd_motu *motu) fw_iso_resources_free(&motu->tx_resources); fw_iso_resources_free(&motu->rx_resources); + + kfree(motu->cache.event_offsets); + motu->cache.event_offsets = NULL; } } @@ -314,7 +332,7 @@ static int init_stream(struct snd_motu *motu, struct amdtp_stream *s) if (err < 0) return err; - err = amdtp_motu_init(s, motu->unit, dir, motu->spec); + err = amdtp_motu_init(s, motu->unit, dir, motu->spec, &motu->cache); if (err < 0) fw_iso_resources_destroy(resources); |