soundwire: intel: remove useless abstraction

PDM is supported in the hardware but never enabled: there are no known
PDM-based devices. We can directly call the PCM helper.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20230314015410.487311-5-yung-chuan.liao@linux.intel.comSigned-off-by: Vinod Koul <vkoul@kernel.org>

drivers/soundwire/intel.c

@@ -586,13 +586,6 @@ static int intel_pdi_stream_ch_update(struct sdw_intel *sdw,
 	return 0;
 }
 
-static int intel_pdi_ch_update(struct sdw_intel *sdw)
-{
-	intel_pdi_stream_ch_update(sdw, &sdw->cdns.pcm);
-
-	return 0;
-}
-
 static void
 intel_pdi_shim_configure(struct sdw_intel *sdw, struct sdw_cdns_pdi *pdi)
 {
@@ -1094,7 +1087,7 @@ static int intel_register_dai(struct sdw_intel *sdw)
 	if (ret)
 		return ret;
 
-	intel_pdi_ch_update(sdw);
+	intel_pdi_stream_ch_update(sdw, &sdw->cdns.pcm);
 
 	/* DAIs are created based on total number of PDIs supported */
 	num_dai = cdns->pcm.num_pdi;