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ALSA: firewire-motu: more code refactoring for MOTU data block processing layer 

MOTU data block processing layer has some tracepoints events. This
commit is code refactoring to split probing the events from processing
data blocks.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Sakamoto 2019-07-22 12:37:10 +09:00 committed by Takashi Iwai
parent 9a738ad1b1
commit d2d5a6b025
1 changed files with 38 additions and 16 deletions
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54
sound/firewire/motu/amdtp-motu.c
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@ -310,13 +310,10 @@ static void __maybe_unused copy_message(u64 *frames, __be32 *buffer,
}
}
static unsigned int process_ir_ctx_payloads(struct amdtp_stream *s,
const struct pkt_desc *descs,
unsigned int packets,
struct snd_pcm_substream *pcm)
static void probe_tracepoints_events(struct amdtp_stream *s,
const struct pkt_desc *descs,
unsigned int packets)
{
struct amdtp_motu *p = s->protocol;
unsigned int pcm_frames = 0;
int i;
for (i = 0; i < packets; ++i) {
@ -326,16 +323,38 @@ static unsigned int process_ir_ctx_payloads(struct amdtp_stream *s,
trace_data_block_sph(s, data_blocks, buf);
trace_data_block_message(s, data_blocks, buf);
}
}
if (p->midi_ports)
read_midi_messages(s, buf, data_blocks);
static unsigned int process_ir_ctx_payloads(struct amdtp_stream *s,
const struct pkt_desc *descs,
unsigned int packets,
struct snd_pcm_substream *pcm)
{
struct amdtp_motu *p = s->protocol;
unsigned int pcm_frames = 0;
int i;
// For data block processing.
for (i = 0; i < packets; ++i) {
const struct pkt_desc *desc = descs + i;
__be32 *buf = desc->ctx_payload;
unsigned int data_blocks = desc->data_blocks;
if (pcm) {
read_pcm_s32(s, pcm, buf, data_blocks, pcm_frames);
pcm_frames += data_blocks;
}
if (p->midi_ports)
read_midi_messages(s, buf, data_blocks);
}
// For tracepoints.
if (trace_data_block_sph_enabled() ||
trace_data_block_message_enabled())
probe_tracepoints_events(s, descs, packets);
return pcm_frames;
}
@ -390,16 +409,12 @@ static unsigned int process_it_ctx_payloads(struct amdtp_stream *s,
unsigned int pcm_frames = 0;
int i;
// For data block processing.
for (i = 0; i < packets; ++i) {
const struct pkt_desc *desc = descs + i;
__be32 *buf = desc->ctx_payload;
unsigned int data_blocks = desc->data_blocks;
// TODO: how to interact control messages between userspace?
if (p->midi_ports)
write_midi_messages(s, buf, data_blocks);
if (pcm) {
write_pcm_s32(s, pcm, buf, data_blocks, pcm_frames);
pcm_frames += data_blocks;
@ -407,12 +422,19 @@ static unsigned int process_it_ctx_payloads(struct amdtp_stream *s,
write_pcm_silence(s, buf, data_blocks);
}
write_sph(s, buf, data_blocks);
if (p->midi_ports)
write_midi_messages(s, buf, data_blocks);
trace_data_block_sph(s, data_blocks, buf);
trace_data_block_message(s, data_blocks, buf);
// TODO: how to interact control messages between userspace?
write_sph(s, buf, data_blocks);
}
// For tracepoints.
if (trace_data_block_sph_enabled() ||
trace_data_block_message_enabled())
probe_tracepoints_events(s, descs, packets);
return pcm_frames;
}