ASoC: SOF: IPC: reduce verbosity of IPC pointer updates

When using dynamic debug, the console is swamped with verbose position
pointer logs, which really don't add much information. Move then to
vdbg to keep traces usable and allow for easier end-user support.
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20200824200912.46852-6-pierre-louis.bossart@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sof/ipc.c

@@ -54,6 +54,7 @@ static void ipc_log_header(struct device *dev, u8 *text, u32 cmd)
 	u8 *str2 = NULL;
 	u32 glb;
 	u32 type;
+	bool vdbg = false;
 
 	glb = cmd & SOF_GLB_TYPE_MASK;
 	type = cmd & SOF_CMD_TYPE_MASK;
@@ -146,6 +147,7 @@ static void ipc_log_header(struct device *dev, u8 *text, u32 cmd)
 		case SOF_IPC_STREAM_TRIG_XRUN:
 			str2 = "TRIG_XRUN"; break;
 		case SOF_IPC_STREAM_POSITION:
+			vdbg = true;
 			str2 = "POSITION"; break;
 		case SOF_IPC_STREAM_VORBIS_PARAMS:
 			str2 = "VORBIS_PARAMS"; break;
@@ -183,10 +185,14 @@ static void ipc_log_header(struct device *dev, u8 *text, u32 cmd)
 		str = "unknown GLB command"; break;
 	}
 
-	if (str2)
-		dev_dbg(dev, "%s: 0x%x: %s: %s\n", text, cmd, str, str2);
+	if (str2) {
+		if (vdbg)
+			dev_vdbg(dev, "%s: 0x%x: %s: %s\n", text, cmd, str, str2);
 		else
+			dev_dbg(dev, "%s: 0x%x: %s: %s\n", text, cmd, str, str2);
+	} else {
 		dev_dbg(dev, "%s: 0x%x: %s\n", text, cmd, str);
+	}
 }
 #else
 static inline void ipc_log_header(struct device *dev, u8 *text, u32 cmd)
@@ -449,7 +455,7 @@ static void ipc_period_elapsed(struct snd_sof_dev *sdev, u32 msg_id)
 	stream = &spcm->stream[direction];
 	snd_sof_ipc_msg_data(sdev, stream->substream, &posn, sizeof(posn));
 
-	dev_dbg(sdev->dev, "posn : host 0x%llx dai 0x%llx wall 0x%llx\n",
+	dev_vdbg(sdev->dev, "posn : host 0x%llx dai 0x%llx wall 0x%llx\n",
 		 posn.host_posn, posn.dai_posn, posn.wallclock);
 
 	memcpy(&stream->posn, &posn, sizeof(posn));

sound/soc/sof/pcm.c

@@ -446,7 +446,7 @@ static snd_pcm_uframes_t sof_pcm_pointer(struct snd_soc_component *component,
 	dai = bytes_to_frames(substream->runtime,
 			      spcm->stream[substream->stream].posn.dai_posn);
 
-	dev_dbg(component->dev,
+	dev_vdbg(component->dev,
 		 "PCM: stream %d dir %d DMA position %lu DAI position %lu\n",
 		 spcm->pcm.pcm_id, substream->stream, host, dai);