ALSA: firewire-lib: obsolete return value from context payload processing layer

This commit obsoletes return value from the context payload processing layer
since the multiplier between the data block count and PCM frame count was
moved to the packet streaming processing layer.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Link: https://lore.kernel.org/r/20230110134933.322794-3-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Iwai <tiwai@suse.de>

7 files changed, 25 insertions, 66 deletions

diff --git a/sound/firewire/amdtp-am824.c b/sound/firewire/amdtp-am824.c
index b849f529fcba..3660c312bf33 100644
--- a/sound/firewire/amdtp-am824.c
+++ b/sound/firewire/amdtp-am824.c
@@ -344,10 +344,8 @@ static void read_midi_messages(struct amdtp_stream *s, __be32 *buffer,
 	}
 }
 
-static unsigned int process_it_ctx_payloads(struct amdtp_stream *s,
-					    const struct pkt_desc *desc,
-					    unsigned int count,
-					    struct snd_pcm_substream *pcm)
+static void process_it_ctx_payloads(struct amdtp_stream *s, const struct pkt_desc *desc,
+				    unsigned int count, struct snd_pcm_substream *pcm)
 {
 	struct amdtp_am824 *p = s->protocol;
 	unsigned int pcm_frames = 0;
@@ -371,14 +369,10 @@ static unsigned int process_it_ctx_payloads(struct amdtp_stream *s,
 
 		desc = amdtp_stream_next_packet_desc(s, desc);
 	}
-
-	return pcm_frames;
 }
 
-static unsigned int process_ir_ctx_payloads(struct amdtp_stream *s,
-					    const struct pkt_desc *desc,
-					    unsigned int count,
-					    struct snd_pcm_substream *pcm)
+static void process_ir_ctx_payloads(struct amdtp_stream *s, const struct pkt_desc *desc,
+				    unsigned int count, struct snd_pcm_substream *pcm)
 {
 	struct amdtp_am824 *p = s->protocol;
 	unsigned int pcm_frames = 0;
@@ -400,8 +394,6 @@ static unsigned int process_ir_ctx_payloads(struct amdtp_stream *s,
 
 		desc = amdtp_stream_next_packet_desc(s, desc);
 	}
-
-	return pcm_frames;
 }
 
 /**
diff --git a/sound/firewire/amdtp-stream.c b/sound/firewire/amdtp-stream.c
index 453751e4fef8..06a24a7f63c1 100644
--- a/sound/firewire/amdtp-stream.c
+++ b/sound/firewire/amdtp-stream.c
@@ -1043,7 +1043,7 @@ static void process_ctx_payloads(struct amdtp_stream *s,
 	int i;
 
 	pcm = READ_ONCE(s->pcm);
-	(void)s->process_ctx_payloads(s, desc, count, pcm);
+	s->process_ctx_payloads(s, desc, count, pcm);
 
 	if (pcm) {
 		unsigned int data_block_count = 0;
diff --git a/sound/firewire/amdtp-stream.h b/sound/firewire/amdtp-stream.h
index 35b48f9ddbf7..b7ff44751ab9 100644
--- a/sound/firewire/amdtp-stream.h
+++ b/sound/firewire/amdtp-stream.h
@@ -107,11 +107,10 @@ struct pkt_desc {
 };
 
 struct amdtp_stream;
-typedef unsigned int (*amdtp_stream_process_ctx_payloads_t)(
-						struct amdtp_stream *s,
-						const struct pkt_desc *desc,
-						unsigned int count,
-						struct snd_pcm_substream *pcm);
+typedef void (*amdtp_stream_process_ctx_payloads_t)(struct amdtp_stream *s,
+						    const struct pkt_desc *desc,
+						    unsigned int count,
+						    struct snd_pcm_substream *pcm);
 
 struct amdtp_domain;
 struct amdtp_stream {
diff --git a/sound/firewire/digi00x/amdtp-dot.c b/sound/firewire/digi00x/amdtp-dot.c
index b3f67af2d3b1..7db0024495b7 100644
--- a/sound/firewire/digi00x/amdtp-dot.c
+++ b/sound/firewire/digi00x/amdtp-dot.c
@@ -341,10 +341,8 @@ void amdtp_dot_midi_trigger(struct amdtp_stream *s, unsigned int port,
 		WRITE_ONCE(p->midi[port], midi);
 }
 
-static unsigned int process_ir_ctx_payloads(struct amdtp_stream *s,
-					    const struct pkt_desc *desc,
-					    unsigned int count,
-					    struct snd_pcm_substream *pcm)
+static void process_ir_ctx_payloads(struct amdtp_stream *s, const struct pkt_desc *desc,
+				    unsigned int count, struct snd_pcm_substream *pcm)
 {
 	unsigned int pcm_frames = 0;
 	int i;
@@ -362,14 +360,10 @@ static unsigned int process_ir_ctx_payloads(struct amdtp_stream *s,
 
 		desc = amdtp_stream_next_packet_desc(s, desc);
 	}
-
-	return pcm_frames;
 }
 
-static unsigned int process_it_ctx_payloads(struct amdtp_stream *s,
-					    const struct pkt_desc *desc,
-					    unsigned int count,
-					    struct snd_pcm_substream *pcm)
+static void process_it_ctx_payloads(struct amdtp_stream *s, const struct pkt_desc *desc,
+				    unsigned int count, struct snd_pcm_substream *pcm)
 {
 	unsigned int pcm_frames = 0;
 	int i;
@@ -390,8 +384,6 @@ static unsigned int process_it_ctx_payloads(struct amdtp_stream *s,
 
 		desc = amdtp_stream_next_packet_desc(s, desc);
 	}
-
-	return pcm_frames;
 }
 
 int amdtp_dot_init(struct amdtp_stream *s, struct fw_unit *unit,
diff --git a/sound/firewire/fireface/amdtp-ff.c b/sound/firewire/fireface/amdtp-ff.c
index 27943b7f86fa..76c9d33ed572 100644
--- a/sound/firewire/fireface/amdtp-ff.c
+++ b/sound/firewire/fireface/amdtp-ff.c
@@ -112,10 +112,8 @@ int amdtp_ff_add_pcm_hw_constraints(struct amdtp_stream *s,
 	return amdtp_stream_add_pcm_hw_constraints(s, runtime);
 }
 
-static unsigned int process_it_ctx_payloads(struct amdtp_stream *s,
-					   const struct pkt_desc *desc,
-					   unsigned int count,
-					   struct snd_pcm_substream *pcm)
+static void process_it_ctx_payloads(struct amdtp_stream *s, const struct pkt_desc *desc,
+				    unsigned int count, struct snd_pcm_substream *pcm)
 {
 	unsigned int pcm_frames = 0;
 	int i;
@@ -133,14 +131,10 @@ static unsigned int process_it_ctx_payloads(struct amdtp_stream *s,
 
 		desc = amdtp_stream_next_packet_desc(s, desc);
 	}
-
-	return pcm_frames;
 }
 
-static unsigned int process_ir_ctx_payloads(struct amdtp_stream *s,
-					    const struct pkt_desc *desc,
-					    unsigned int count,
-					    struct snd_pcm_substream *pcm)
+static void process_ir_ctx_payloads(struct amdtp_stream *s, const struct pkt_desc *desc,
+				    unsigned int count, struct snd_pcm_substream *pcm)
 {
 	unsigned int pcm_frames = 0;
 	int i;
@@ -156,8 +150,6 @@ static unsigned int process_ir_ctx_payloads(struct amdtp_stream *s,
 
 		desc = amdtp_stream_next_packet_desc(s, desc);
 	}
-
-	return pcm_frames;
 }
 
 int amdtp_ff_init(struct amdtp_stream *s, struct fw_unit *unit,
diff --git a/sound/firewire/motu/amdtp-motu.c b/sound/firewire/motu/amdtp-motu.c
index 4153527b5e08..39ed57d2c5a0 100644
--- a/sound/firewire/motu/amdtp-motu.c
+++ b/sound/firewire/motu/amdtp-motu.c
@@ -328,10 +328,8 @@ static void cache_event_offsets(struct amdtp_motu_cache *cache, const __be32 *bu
 	cache->tx_cycle_count = (cache->tx_cycle_count + 1) % CYCLES_PER_SECOND;
 }
 
-static unsigned int process_ir_ctx_payloads(struct amdtp_stream *s,
-					    const struct pkt_desc *desc,
-					    unsigned int count,
-					    struct snd_pcm_substream *pcm)
+static void process_ir_ctx_payloads(struct amdtp_stream *s, const struct pkt_desc *desc,
+				    unsigned int count, struct snd_pcm_substream *pcm)
 {
 	struct snd_motu *motu = container_of(s, struct snd_motu, tx_stream);
 	struct amdtp_motu *p = s->protocol;
@@ -370,8 +368,6 @@ static unsigned int process_ir_ctx_payloads(struct amdtp_stream *s,
 	if (trace_data_block_sph_enabled() ||
 	    trace_data_block_message_enabled())
 		probe_tracepoints_events(s, desc, count);
-
-	return pcm_frames;
 }
 
 static void write_sph(struct amdtp_motu_cache *cache, __be32 *buffer, unsigned int data_blocks,
@@ -396,10 +392,8 @@ static void write_sph(struct amdtp_motu_cache *cache, __be32 *buffer, unsigned i
 	cache->rx_cycle_count = (cache->rx_cycle_count + 1) % CYCLES_PER_SECOND;
 }
 
-static unsigned int process_it_ctx_payloads(struct amdtp_stream *s,
-					    const struct pkt_desc *desc,
-					    unsigned int count,
-					    struct snd_pcm_substream *pcm)
+static void process_it_ctx_payloads(struct amdtp_stream *s, const struct pkt_desc *desc,
+				    unsigned int count, struct snd_pcm_substream *pcm)
 {
 	struct amdtp_motu *p = s->protocol;
 	const struct pkt_desc *cursor = desc;
@@ -435,8 +429,6 @@ static unsigned int process_it_ctx_payloads(struct amdtp_stream *s,
 	if (trace_data_block_sph_enabled() ||
 	    trace_data_block_message_enabled())
 		probe_tracepoints_events(s, desc, count);
-
-	return pcm_frames;
 }
 
 int amdtp_motu_init(struct amdtp_stream *s, struct fw_unit *unit,
diff --git a/sound/firewire/tascam/amdtp-tascam.c b/sound/firewire/tascam/amdtp-tascam.c
index bb4cf2d26d1b..0b42d6559008 100644
--- a/sound/firewire/tascam/amdtp-tascam.c
+++ b/sound/firewire/tascam/amdtp-tascam.c
@@ -176,10 +176,8 @@ static void read_status_messages(struct amdtp_stream *s,
 	}
 }
 
-static unsigned int process_ir_ctx_payloads(struct amdtp_stream *s,
-					    const struct pkt_desc *desc,
-					    unsigned int count,
-					    struct snd_pcm_substream *pcm)
+static void process_ir_ctx_payloads(struct amdtp_stream *s, const struct pkt_desc *desc,
+				    unsigned int count, struct snd_pcm_substream *pcm)
 {
 	unsigned int pcm_frames = 0;
 	int i;
@@ -197,14 +195,10 @@ static unsigned int process_ir_ctx_payloads(struct amdtp_stream *s,
 
 		desc = amdtp_stream_next_packet_desc(s, desc);
 	}
-
-	return pcm_frames;
 }
 
-static unsigned int process_it_ctx_payloads(struct amdtp_stream *s,
-					    const struct pkt_desc *desc,
-					    unsigned int count,
-					    struct snd_pcm_substream *pcm)
+static void process_it_ctx_payloads(struct amdtp_stream *s, const struct pkt_desc *desc,
+				    unsigned int count, struct snd_pcm_substream *pcm)
 {
 	unsigned int pcm_frames = 0;
 	int i;
@@ -222,8 +216,6 @@ static unsigned int process_it_ctx_payloads(struct amdtp_stream *s,
 
 		desc = amdtp_stream_next_packet_desc(s, desc);
 	}
-
-	return pcm_frames;
 }
 
 int amdtp_tscm_init(struct amdtp_stream *s, struct fw_unit *unit,