ALSA: firewire-lib: fix different data block counter between probed e…

…vent and transferred isochronous packet For IT context, tracepoints event is probed after calculating next data block counter. This brings difference of data block counter between the probed event and actual isochronous packet. This commit fixes it. Signed-off-by: Takashi Sakamoto <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
valschneider · Jul 8, 2019 · 213fa98 · 213fa98
1 parent 4ece7f6
commit 213fa98
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/sound/firewire/amdtp-stream.c b/sound/firewire/amdtp-stream.c
@@ -510,13 +510,13 @@ static void build_it_pkt_header(struct amdtp_stream *s, unsigned int cycle,
 		cip_header = NULL;
 	}
 
+	trace_amdtp_packet(s, cycle, cip_header, payload_length, data_blocks,
+			   index);
+
 	if (!(s->flags & CIP_DBC_IS_END_EVENT)) {
 		s->data_block_counter =
 				(s->data_block_counter + data_blocks) & 0xff;
 	}
-
-	trace_amdtp_packet(s, cycle, cip_header, payload_length, data_blocks,
-			   index);
 }
 
 static int check_cip_header(struct amdtp_stream *s, const __be32 *buf,