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 <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Takashi Iwai <[e-mail]>

sound/firewire/amdtp-am824.c

···
 	}
 }
 
-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;
···
 
 		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;
···
 
 		desc = amdtp_stream_next_packet_desc(s, desc);
 	}
-
-	return pcm_frames;
 }
 
 /**

sound/firewire/amdtp-stream.c

···
 	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;

sound/firewire/amdtp-stream.h

···
 };
 
 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 {

sound/firewire/digi00x/amdtp-dot.c

···
 		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;
···
 
 		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;
···
 
 		desc = amdtp_stream_next_packet_desc(s, desc);
 	}
-
-	return pcm_frames;
 }
 
 int amdtp_dot_init(struct amdtp_stream *s, struct fw_unit *unit,

sound/firewire/fireface/amdtp-ff.c

···
 	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;
···
 
 		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;
···
 
 		desc = amdtp_stream_next_packet_desc(s, desc);
 	}
-
-	return pcm_frames;
 }
 
 int amdtp_ff_init(struct amdtp_stream *s, struct fw_unit *unit,

sound/firewire/motu/amdtp-motu.c

···
 	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;
···
 	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,
···
 	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;
···
 	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,

sound/firewire/tascam/amdtp-tascam.c

···
 	}
 }
 
-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;
···
 
 		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;
···
 
 		desc = amdtp_stream_next_packet_desc(s, desc);
 	}
-
-	return pcm_frames;
 }
 
 int amdtp_tscm_init(struct amdtp_stream *s, struct fw_unit *unit,