ASoC: soc-pcm: demote warnings on non-atomic BE connection

When an FE, typically non-atomic, is connected to an atomic BE, we
force the BE as non-atomic. There's no reason to throw a warning, this
is a perfectly fine configuration and a conversion that's required
by-design.

This removes the unconditional warnings such as

[   12.054213]  iDisp1: dpcm_be_connect: FE is nonatomic but BE is not, forcing BE as nonatomic
[   12.074693]  iDisp2: dpcm_be_connect: FE is nonatomic but BE is not, forcing BE as nonatomic
[   12.096612]  iDisp3: dpcm_be_connect: FE is nonatomic but BE is not, forcing BE as nonatomic
[   12.118637]  iDisp4: dpcm_be_connect: FE is nonatomic but BE is not, forcing BE as nonatomic
[   12.140660]  dmic01: dpcm_be_connect: FE is nonatomic but BE is not, forcing BE as nonatomic
[   12.147521]  dmic16k: dpcm_be_connect: FE is nonatomic but BE is not, forcing BE as nonatomic

and demotes them to dev_dbg(), as suggested in review comments.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/20220708200641.26923-1-pierre-louis.bossart@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/soc-pcm.c

@@ -1209,8 +1209,7 @@ static int dpcm_be_connect(struct snd_soc_pcm_runtime *fe,
 		return -EINVAL;
 	}
 	if (fe_substream->pcm->nonatomic && !be_substream->pcm->nonatomic) {
-		dev_warn(be->dev, "%s: FE is nonatomic but BE is not, forcing BE as nonatomic\n",
-			 __func__);
+		dev_dbg(be->dev, "FE is nonatomic but BE is not, forcing BE as nonatomic\n");
 		be_substream->pcm->nonatomic = 1;
 	}