static int byt_rt5640_suspend(struct snd_soc_card *card)
@@ -1268,28 +1266,12 @@ static int snd_byt_rt5640_mc_probe(struct 
platform_device *pdev)
        log_quirks(&pdev->dev);
if ((byt_rt5640_quirk & BYT_RT5640_SSP2_AIF2) ||
-           (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2)) {
-
-               /* fixup codec aif name */
-               snprintf(byt_rt5640_codec_aif_name,
-                       sizeof(byt_rt5640_codec_aif_name),
-                       "%s", "rt5640-aif2");
-
-               byt_rt5640_dais[dai_index].codec_dai_name =
-                       byt_rt5640_codec_aif_name;
-       }
+           (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2))
+               byt_rt5640_dais[dai_index].codec_dai_name = "rt5640-aif2";

This is not equivalent, you don't deal with the (byt_rt5640_quirk & BYT_RT5640_SSP2_AIF2) case. The default is SSP_AIF1

if ((byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1) ||
-           (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2)) {
-
-               /* fixup cpu dai name name */
-               snprintf(byt_rt5640_cpu_dai_name,
-                       sizeof(byt_rt5640_cpu_dai_name),
-                       "%s", "ssp0-port");
-
-               byt_rt5640_dais[dai_index].cpu_dai_name =
-                       byt_rt5640_cpu_dai_name;
-       }
+           (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2))
+               byt_rt5640_dais[dai_index].cpu_dai_name = "ssp0-port";

Same here, this is not equivalent. the SSP0_AIF1 case is not handled.
it's fine to remove the intermediate buffers, but you can't remove support for 2 out of the 4 combinations supported.

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