diff --git a/sound/soc/intel/boards/bytcr_rt5640.c b/sound/soc/intel/boards/bytcr_rt5640.c
index 507a86a..8d2fb2d 100644
--- a/sound/soc/intel/boards/bytcr_rt5640.c
+++ b/sound/soc/intel/boards/bytcr_rt5640.c
@@ -142,7 +142,7 @@ static int platform_clock_control(struct snd_soc_dapm_widget *w,
 		 * for Jack detection and button press
 		 */
 		ret = snd_soc_dai_set_sysclk(codec_dai, RT5640_SCLK_S_RCCLK,
-					     0,
+					     48000 * 512,
 					     SND_SOC_CLOCK_IN);
 		if (!ret) {
 			if ((byt_rt5640_quirk & BYT_RT5640_MCLK_EN) && priv->mclk)
@@ -825,10 +825,20 @@ static int snd_byt_rt5640_mc_probe(struct platform_device *pdev)
 	if ((byt_rt5640_quirk & BYT_RT5640_MCLK_EN) && (is_valleyview())) {
 		priv->mclk = devm_clk_get(&pdev->dev, "pmc_plt_clk_3");
 		if (IS_ERR(priv->mclk)) {
+			ret_val = PTR_ERR(priv->mclk);
+
 			dev_err(&pdev->dev,
-				"Failed to get MCLK from pmc_plt_clk_3: %ld\n",
-				PTR_ERR(priv->mclk));
-			return PTR_ERR(priv->mclk);
+				"Failed to get MCLK from pmc_plt_clk_3: %d\n",
+				ret_val);
+
+			/*
+			 * Fall back to bit clock usage for -ENOENT (clock not
+			 * available likely due to missing dependencies), bail
+			 * for all other errors, including -EPROBE_DEFER
+			 */
+			if (ret_val != -ENOENT)
+				return ret_val;
+			byt_rt5640_quirk &= ~BYT_RT5640_MCLK_EN;
 		}
 	}
 
diff --git a/sound/soc/intel/skylake/skl-pcm.c b/sound/soc/intel/skylake/skl-pcm.c
index 84b5101..6c6b63a 100644
--- a/sound/soc/intel/skylake/skl-pcm.c
+++ b/sound/soc/intel/skylake/skl-pcm.c
@@ -180,6 +180,9 @@ static int skl_pcm_open(struct snd_pcm_substream *substream,
 	snd_pcm_set_sync(substream);
 
 	mconfig = skl_tplg_fe_get_cpr_module(dai, substream->stream);
+	if (!mconfig)
+		return -EINVAL;
+
 	skl_tplg_d0i3_get(skl, mconfig->d0i3_caps);
 
 	return 0;
diff --git a/sound/soc/intel/skylake/skl-sst.c b/sound/soc/intel/skylake/skl-sst.c
index 8fc3178..b30bd38 100644
--- a/sound/soc/intel/skylake/skl-sst.c
+++ b/sound/soc/intel/skylake/skl-sst.c
@@ -515,6 +515,9 @@ EXPORT_SYMBOL_GPL(skl_sst_init_fw);
 
 void skl_sst_dsp_cleanup(struct device *dev, struct skl_sst *ctx)
 {
+
+	if (ctx->dsp->fw)
+		release_firmware(ctx->dsp->fw);
 	skl_clear_module_table(ctx->dsp);
 	skl_freeup_uuid_list(ctx);
 	skl_ipc_free(&ctx->ipc);