ASoC: macaudio: Do not constrain sense PCM

Signed-off-by: Martin Povišer <povik+lin@cutebit.org>

Author: povik

sound/soc/apple/macaudio.c

@@ -499,8 +499,12 @@ static int macaudio_fe_startup(struct snd_pcm_substream *substream)
 
 	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
 	struct macaudio_snd_data *ma = snd_soc_card_get_drvdata(rtd->card);
+	struct macaudio_link_props *props = &ma->link_props[rtd->dai_link->id];
 	int ret;
 
+	if (props->is_sense)
+		return 0;
+
 	/* The FEs must never have more channels than the hardware */
 	ret = snd_pcm_hw_constraint_minmax(substream->runtime,
 					SNDRV_PCM_HW_PARAM_CHANNELS, 0, ma->max_channels);