diff options
Diffstat (limited to 'sound/firewire/motu/amdtp-motu.c')
| -rw-r--r-- | sound/firewire/motu/amdtp-motu.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/sound/firewire/motu/amdtp-motu.c b/sound/firewire/motu/amdtp-motu.c index edb31ac26868..9ccde07d6295 100644 --- a/sound/firewire/motu/amdtp-motu.c +++ b/sound/firewire/motu/amdtp-motu.c @@ -377,8 +377,8 @@ static inline void compute_next_elapse_from_start(struct amdtp_motu *p) p->next_seconds -= 128; } -static void write_sph(struct amdtp_stream *s, __be32 *buffer, - unsigned int data_blocks) +static void write_sph(struct amdtp_stream *s, __be32 *buffer, unsigned int data_blocks, + const unsigned int rx_start_cycle) { struct amdtp_motu *p = s->protocol; unsigned int next_cycles; @@ -386,7 +386,7 @@ static void write_sph(struct amdtp_stream *s, __be32 *buffer, u32 sph; for (i = 0; i < data_blocks; i++) { - next_cycles = (s->start_cycle + p->next_cycles) % 8000; + next_cycles = (rx_start_cycle + p->next_cycles) % 8000; sph = ((next_cycles << 12) | p->next_ticks) & 0x01ffffff; *buffer = cpu_to_be32(sph); @@ -401,6 +401,7 @@ static unsigned int process_it_ctx_payloads(struct amdtp_stream *s, unsigned int packets, struct snd_pcm_substream *pcm) { + const unsigned int rx_start_cycle = s->domain->processing_cycle.rx_start; struct amdtp_motu *p = s->protocol; unsigned int pcm_frames = 0; int i; @@ -423,7 +424,7 @@ static unsigned int process_it_ctx_payloads(struct amdtp_stream *s, // TODO: how to interact control messages between userspace? - write_sph(s, buf, data_blocks); + write_sph(s, buf, data_blocks, rx_start_cycle); } // For tracepoints. |