ASoC: Pull in fixes

Cleanups for the dmaengine code build on top of current fixes.

22 files changed, 124 insertions, 70 deletions

diff --git a/drivers/firmware/cirrus/cs_dsp.c b/drivers/firmware/cirrus/cs_dsp.c
index e48108e694f8..7dad6f57d970 100644
--- a/drivers/firmware/cirrus/cs_dsp.c
+++ b/drivers/firmware/cirrus/cs_dsp.c
@@ -955,8 +955,7 @@ static int cs_dsp_create_control(struct cs_dsp *dsp,
 	ctl->alg_region = *alg_region;
 	if (subname && dsp->fw_ver >= 2) {
 		ctl->subname_len = subname_len;
-		ctl->subname = kmemdup(subname,
-				       strlen(subname) + 1, GFP_KERNEL);
+		ctl->subname = kasprintf(GFP_KERNEL, "%.*s", subname_len, subname);
 		if (!ctl->subname) {
 			ret = -ENOMEM;
 			goto err_ctl;
diff --git a/sound/soc/atmel/mchp-pdmc.c b/sound/soc/atmel/mchp-pdmc.c
index 1a7802fbf23c..a3856c73e221 100644
--- a/sound/soc/atmel/mchp-pdmc.c
+++ b/sound/soc/atmel/mchp-pdmc.c
@@ -966,6 +966,7 @@ static int mchp_pdmc_process(struct snd_pcm_substream *substream,
 
 static struct snd_dmaengine_pcm_config mchp_pdmc_config = {
 	.process = mchp_pdmc_process,
+	.prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config,
 };
 
 static int mchp_pdmc_probe(struct platform_device *pdev)
diff --git a/sound/soc/codecs/da7219.c b/sound/soc/codecs/da7219.c
index a28d3601b932..7fdef38ed8cd 100644
--- a/sound/soc/codecs/da7219.c
+++ b/sound/soc/codecs/da7219.c
@@ -446,7 +446,7 @@ static int da7219_tonegen_freq_put(struct snd_kcontrol *kcontrol,
 	struct soc_mixer_control *mixer_ctrl =
 		(struct soc_mixer_control *) kcontrol->private_value;
 	unsigned int reg = mixer_ctrl->reg;
-	__le16 val;
+	__le16 val_new, val_old;
 	int ret;
 
 	/*
@@ -454,13 +454,19 @@ static int da7219_tonegen_freq_put(struct snd_kcontrol *kcontrol,
 	 * Therefore we need to convert to little endian here to align with
 	 * HW registers.
 	 */
-	val = cpu_to_le16(ucontrol->value.integer.value[0]);
+	val_new = cpu_to_le16(ucontrol->value.integer.value[0]);
 
 	mutex_lock(&da7219->ctrl_lock);
-	ret = regmap_raw_write(da7219->regmap, reg, &val, sizeof(val));
+	ret = regmap_raw_read(da7219->regmap, reg, &val_old, sizeof(val_old));
+	if (ret == 0 && (val_old != val_new))
+		ret = regmap_raw_write(da7219->regmap, reg,
+				&val_new, sizeof(val_new));
 	mutex_unlock(&da7219->ctrl_lock);
 
-	return ret;
+	if (ret < 0)
+		return ret;
+
+	return val_old != val_new;
 }
 
 
diff --git a/sound/soc/codecs/lpass-rx-macro.c b/sound/soc/codecs/lpass-rx-macro.c
index 6884ae505e33..3143f9cd7277 100644
--- a/sound/soc/codecs/lpass-rx-macro.c
+++ b/sound/soc/codecs/lpass-rx-macro.c
@@ -3566,12 +3566,16 @@ static int rx_macro_probe(struct platform_device *pdev)
 		return PTR_ERR(rx->pds);
 
 	base = devm_platform_ioremap_resource(pdev, 0);
-	if (IS_ERR(base))
-		return PTR_ERR(base);
+	if (IS_ERR(base)) {
+		ret = PTR_ERR(base);
+		goto err;
+	}
 
 	rx->regmap = devm_regmap_init_mmio(dev, base, &rx_regmap_config);
-	if (IS_ERR(rx->regmap))
-		return PTR_ERR(rx->regmap);
+	if (IS_ERR(rx->regmap)) {
+		ret = PTR_ERR(rx->regmap);
+		goto err;
+	}
 
 	dev_set_drvdata(dev, rx);
 
@@ -3632,6 +3636,8 @@ err_mclk:
 err_dcodec:
 	clk_disable_unprepare(rx->macro);
 err:
+	lpass_macro_pds_exit(rx->pds);
+
 	return ret;
 }
 
diff --git a/sound/soc/codecs/lpass-tx-macro.c b/sound/soc/codecs/lpass-tx-macro.c
index 714a411d5337..55503ba480bb 100644
--- a/sound/soc/codecs/lpass-tx-macro.c
+++ b/sound/soc/codecs/lpass-tx-macro.c
@@ -1828,8 +1828,10 @@ static int tx_macro_probe(struct platform_device *pdev)
 		return PTR_ERR(tx->pds);
 
 	base = devm_platform_ioremap_resource(pdev, 0);
-	if (IS_ERR(base))
-		return PTR_ERR(base);
+	if (IS_ERR(base)) {
+		ret = PTR_ERR(base);
+		goto err;
+	}
 
 	/* Update defaults for lpass sc7280 */
 	if (of_device_is_compatible(np, "qcom,sc7280-lpass-tx-macro")) {
@@ -1846,8 +1848,10 @@ static int tx_macro_probe(struct platform_device *pdev)
 	}
 
 	tx->regmap = devm_regmap_init_mmio(dev, base, &tx_regmap_config);
-	if (IS_ERR(tx->regmap))
-		return PTR_ERR(tx->regmap);
+	if (IS_ERR(tx->regmap)) {
+		ret = PTR_ERR(tx->regmap);
+		goto err;
+	}
 
 	dev_set_drvdata(dev, tx);
 
@@ -1907,6 +1911,8 @@ err_mclk:
 err_dcodec:
 	clk_disable_unprepare(tx->macro);
 err:
+	lpass_macro_pds_exit(tx->pds);
+
 	return ret;
 }
 
diff --git a/sound/soc/codecs/lpass-va-macro.c b/sound/soc/codecs/lpass-va-macro.c
index f3cb596058e0..d18b56e60433 100644
--- a/sound/soc/codecs/lpass-va-macro.c
+++ b/sound/soc/codecs/lpass-va-macro.c
@@ -1434,8 +1434,10 @@ static int va_macro_probe(struct platform_device *pdev)
 		va->dmic_clk_div = VA_MACRO_CLK_DIV_2;
 	} else {
 		ret = va_macro_validate_dmic_sample_rate(sample_rate, va);
-		if (!ret)
-			return -EINVAL;
+		if (!ret) {
+			ret = -EINVAL;
+			goto err;
+		}
 	}
 
 	base = devm_platform_ioremap_resource(pdev, 0);
@@ -1492,6 +1494,8 @@ err_mclk:
 err_dcodec:
 	clk_disable_unprepare(va->macro);
 err:
+	lpass_macro_pds_exit(va->pds);
+
 	return ret;
 }
 
diff --git a/sound/soc/codecs/max98090.c b/sound/soc/codecs/max98090.c
index 4058e147413c..48dcf071bb5a 100644
--- a/sound/soc/codecs/max98090.c
+++ b/sound/soc/codecs/max98090.c
@@ -396,6 +396,7 @@ static int max98090_put_enab_tlv(struct snd_kcontrol *kcontrol,
 	unsigned int sel = ucontrol->value.integer.value[0];
 	unsigned int val = snd_soc_component_read(component, mc->reg);
 	unsigned int *select;
+	int change;
 
 	switch (mc->reg) {
 	case M98090_REG_MIC1_INPUT_LEVEL:
@@ -413,6 +414,10 @@ static int max98090_put_enab_tlv(struct snd_kcontrol *kcontrol,
 
 	val = (val >> mc->shift) & mask;
 
+	if (sel < 0 || sel > mc->max)
+		return -EINVAL;
+
+	change = *select != sel;
 	*select = sel;
 
 	/* Setting a volume is only valid if it is already On */
@@ -427,7 +432,7 @@ static int max98090_put_enab_tlv(struct snd_kcontrol *kcontrol,
 		mask << mc->shift,
 		sel << mc->shift);
 
-	return 0;
+	return change;
 }
 
 static const char *max98090_perf_pwr_text[] =
diff --git a/sound/soc/codecs/rt5514.c b/sound/soc/codecs/rt5514.c
index 1b9263460142..be8ece4630df 100644
--- a/sound/soc/codecs/rt5514.c
+++ b/sound/soc/codecs/rt5514.c
@@ -419,7 +419,7 @@ static int rt5514_dsp_voice_wake_up_put(struct snd_kcontrol *kcontrol,
 		}
 	}
 
-	return 0;
+	return 1;
 }
 
 static const struct snd_kcontrol_new rt5514_snd_controls[] = {
diff --git a/sound/soc/codecs/rt9120.c b/sound/soc/codecs/rt9120.c
index 7aa1772a915f..6e0d7cf0c8c9 100644
--- a/sound/soc/codecs/rt9120.c
+++ b/sound/soc/codecs/rt9120.c
@@ -341,7 +341,6 @@ static int rt9120_get_reg_size(unsigned int reg)
 {
 	switch (reg) {
 	case 0x00:
-	case 0x09:
 	case 0x20 ... 0x27:
 		return 2;
 	case 0x30 ... 0x3D:
diff --git a/sound/soc/codecs/wm8958-dsp2.c b/sound/soc/codecs/wm8958-dsp2.c
index e4018ba3b19a..7878c7a58ff1 100644
--- a/sound/soc/codecs/wm8958-dsp2.c
+++ b/sound/soc/codecs/wm8958-dsp2.c
@@ -530,7 +530,7 @@ static int wm8958_mbc_put(struct snd_kcontrol *kcontrol,
 
 	wm8958_dsp_apply(component, mbc, wm8994->mbc_ena[mbc]);
 
-	return 0;
+	return 1;
 }
 
 #define WM8958_MBC_SWITCH(xname, xval) {\
@@ -656,7 +656,7 @@ static int wm8958_vss_put(struct snd_kcontrol *kcontrol,
 
 	wm8958_dsp_apply(component, vss, wm8994->vss_ena[vss]);
 
-	return 0;
+	return 1;
 }
 
 
@@ -730,7 +730,7 @@ static int wm8958_hpf_put(struct snd_kcontrol *kcontrol,
 
 	wm8958_dsp_apply(component, hpf % 3, ucontrol->value.integer.value[0]);
 
-	return 0;
+	return 1;
 }
 
 #define WM8958_HPF_SWITCH(xname, xval) {\
@@ -824,7 +824,7 @@ static int wm8958_enh_eq_put(struct snd_kcontrol *kcontrol,
 
 	wm8958_dsp_apply(component, eq, ucontrol->value.integer.value[0]);
 
-	return 0;
+	return 1;
 }
 
 #define WM8958_ENH_EQ_SWITCH(xname, xval) {\
diff --git a/sound/soc/codecs/wm8960.c b/sound/soc/codecs/wm8960.c
index 92fcd335c5de..8c8f32b23083 100644
--- a/sound/soc/codecs/wm8960.c
+++ b/sound/soc/codecs/wm8960.c
@@ -14,6 +14,7 @@
 #include <linux/pm.h>
 #include <linux/clk.h>
 #include <linux/i2c.h>
+#include <linux/acpi.h>
 #include <linux/slab.h>
 #include <sound/core.h>
 #include <sound/pcm.h>
@@ -1497,16 +1498,28 @@ static const struct i2c_device_id wm8960_i2c_id[] = {
 };
 MODULE_DEVICE_TABLE(i2c, wm8960_i2c_id);
 
+#if defined(CONFIG_OF)
 static const struct of_device_id wm8960_of_match[] = {
        { .compatible = "wlf,wm8960", },
        { }
 };
 MODULE_DEVICE_TABLE(of, wm8960_of_match);
+#endif
+
+#if defined(CONFIG_ACPI)
+static const struct acpi_device_id wm8960_acpi_match[] = {
+	{ "1AEC8960", 0 }, /* Wolfson PCI ID + part ID */
+	{ "10138960", 0 }, /* Cirrus Logic PCI ID + part ID */
+	{ },
+};
+MODULE_DEVICE_TABLE(acpi, wm8960_acpi_match);
+#endif
 
 static struct i2c_driver wm8960_i2c_driver = {
 	.driver = {
 		.name = "wm8960",
-		.of_match_table = wm8960_of_match,
+		.of_match_table = of_match_ptr(wm8960_of_match),
+		.acpi_match_table = ACPI_PTR(wm8960_acpi_match),
 	},
 	.probe_new = wm8960_i2c_probe,
 	.remove =   wm8960_i2c_remove,
diff --git a/sound/soc/generic/simple-card-utils.c b/sound/soc/generic/simple-card-utils.c
index 04a6fb75e46a..539d7f081bd7 100644
--- a/sound/soc/generic/simple-card-utils.c
+++ b/sound/soc/generic/simple-card-utils.c
@@ -322,7 +322,7 @@ void asoc_simple_shutdown(struct snd_pcm_substream *substream)
 
 		if (props->mclk_fs && !dai->clk_fixed && !snd_soc_dai_active(cpu_dai))
 			snd_soc_dai_set_sysclk(cpu_dai,
-					       0, 0, SND_SOC_CLOCK_IN);
+					       0, 0, SND_SOC_CLOCK_OUT);
 
 		asoc_simple_clk_disable(dai);
 	}
diff --git a/sound/soc/meson/aiu-acodec-ctrl.c b/sound/soc/meson/aiu-acodec-ctrl.c
index 22e181646bc3..3776b073a3db 100644
--- a/sound/soc/meson/aiu-acodec-ctrl.c
+++ b/sound/soc/meson/aiu-acodec-ctrl.c
@@ -58,7 +58,7 @@ static int aiu_acodec_ctrl_mux_put_enum(struct snd_kcontrol *kcontrol,
 
 	snd_soc_dapm_mux_update_power(dapm, kcontrol, mux, e, NULL);
 
-	return 0;
+	return 1;
 }
 
 static SOC_ENUM_SINGLE_DECL(aiu_acodec_ctrl_mux_enum, AIU_ACODEC_CTRL,
diff --git a/sound/soc/meson/aiu-codec-ctrl.c b/sound/soc/meson/aiu-codec-ctrl.c
index 59ee66fc2bcd..286ac4983d40 100644
--- a/sound/soc/meson/aiu-codec-ctrl.c
+++ b/sound/soc/meson/aiu-codec-ctrl.c
@@ -57,7 +57,7 @@ static int aiu_codec_ctrl_mux_put_enum(struct snd_kcontrol *kcontrol,
 
 	snd_soc_dapm_mux_update_power(dapm, kcontrol, mux, e, NULL);
 
-	return 0;
+	return 1;
 }
 
 static SOC_ENUM_SINGLE_DECL(aiu_hdmi_ctrl_mux_enum, AIU_HDMI_CLK_DATA_CTRL,
diff --git a/sound/soc/meson/axg-card.c b/sound/soc/meson/axg-card.c
index cbbaa55d92a6..2b77010c2c5c 100644
--- a/sound/soc/meson/axg-card.c
+++ b/sound/soc/meson/axg-card.c
@@ -320,7 +320,6 @@ static int axg_card_add_link(struct snd_soc_card *card, struct device_node *np,
 
 	dai_link->cpus = cpu;
 	dai_link->num_cpus = 1;
-	dai_link->nonatomic = true;
 
 	ret = meson_card_parse_dai(card, np, &dai_link->cpus->of_node,
 				   &dai_link->cpus->dai_name);
diff --git a/sound/soc/meson/axg-tdm-interface.c b/sound/soc/meson/axg-tdm-interface.c
index 0c31934a9630..e076ced30025 100644
--- a/sound/soc/meson/axg-tdm-interface.c
+++ b/sound/soc/meson/axg-tdm-interface.c
@@ -351,29 +351,13 @@ static int axg_tdm_iface_hw_free(struct snd_pcm_substream *substream,
 	return 0;
 }
 
-static int axg_tdm_iface_trigger(struct snd_pcm_substream *substream,
-				 int cmd,
+static int axg_tdm_iface_prepare(struct snd_pcm_substream *substream,
 				 struct snd_soc_dai *dai)
 {
-	struct axg_tdm_stream *ts =
-		snd_soc_dai_get_dma_data(dai, substream);
-
-	switch (cmd) {
-	case SNDRV_PCM_TRIGGER_START:
-	case SNDRV_PCM_TRIGGER_RESUME:
-	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
-		axg_tdm_stream_start(ts);
-		break;
-	case SNDRV_PCM_TRIGGER_SUSPEND:
-	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
-	case SNDRV_PCM_TRIGGER_STOP:
-		axg_tdm_stream_stop(ts);
-		break;
-	default:
-		return -EINVAL;
-	}
+	struct axg_tdm_stream *ts = snd_soc_dai_get_dma_data(dai, substream);
 
-	return 0;
+	/* Force all attached formatters to update */
+	return axg_tdm_stream_reset(ts);
 }
 
 static int axg_tdm_iface_remove_dai(struct snd_soc_dai *dai)
@@ -413,8 +397,8 @@ static const struct snd_soc_dai_ops axg_tdm_iface_ops = {
 	.set_fmt	= axg_tdm_iface_set_fmt,
 	.startup	= axg_tdm_iface_startup,
 	.hw_params	= axg_tdm_iface_hw_params,
+	.prepare	= axg_tdm_iface_prepare,
 	.hw_free	= axg_tdm_iface_hw_free,
-	.trigger	= axg_tdm_iface_trigger,
 };
 
 /* TDM Backend DAIs */
diff --git a/sound/soc/meson/g12a-tohdmitx.c b/sound/soc/meson/g12a-tohdmitx.c
index 9b2b59536ced..6c99052feafd 100644
--- a/sound/soc/meson/g12a-tohdmitx.c
+++ b/sound/soc/meson/g12a-tohdmitx.c
@@ -67,7 +67,7 @@ static int g12a_tohdmitx_i2s_mux_put_enum(struct snd_kcontrol *kcontrol,
 
 	snd_soc_dapm_mux_update_power(dapm, kcontrol, mux, e, NULL);
 
-	return 0;
+	return 1;
 }
 
 static SOC_ENUM_SINGLE_DECL(g12a_tohdmitx_i2s_mux_enum, TOHDMITX_CTRL0,
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index ca917a849c42..869c76506b66 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -3437,7 +3437,6 @@ int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol,
 			update.val = val;
 			card->update = &update;
 		}
-		change |= reg_change;
 
 		ret = soc_dapm_mixer_update_power(card, kcontrol, connect,
 						  rconnect);
@@ -3539,7 +3538,6 @@ int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol,
 			update.val = val;
 			card->update = &update;
 		}
-		change |= reg_change;
 
 		ret = soc_dapm_mux_update_power(card, kcontrol, item[0], e);
 
diff --git a/sound/soc/soc-generic-dmaengine-pcm.c b/sound/soc/soc-generic-dmaengine-pcm.c
index 2ab2ddc1294d..285441d6aeed 100644
--- a/sound/soc/soc-generic-dmaengine-pcm.c
+++ b/sound/soc/soc-generic-dmaengine-pcm.c
@@ -86,10 +86,10 @@ static int dmaengine_pcm_hw_params(struct snd_soc_component *component,
 
 	memset(&slave_config, 0, sizeof(slave_config));
 
-	if (pcm->config && pcm->config->prepare_slave_config)
-		prepare_slave_config = pcm->config->prepare_slave_config;
-	else
+	if (!pcm->config)
 		prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config;
+	else
+		prepare_slave_config = pcm->config->prepare_slave_config;
 
 	if (prepare_slave_config) {
 		int ret = prepare_slave_config(substream, params, &slave_config);
diff --git a/sound/soc/soc-ops.c b/sound/soc/soc-ops.c
index a0ca58ba1627..e693070f51fe 100644
--- a/sound/soc/soc-ops.c
+++ b/sound/soc/soc-ops.c
@@ -461,7 +461,7 @@ int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol,
 			ret = err;
 		}
 	}
-	return err;
+	return ret;
 }
 EXPORT_SYMBOL_GPL(snd_soc_put_volsw_sx);
 
@@ -519,7 +519,15 @@ int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
 	unsigned int mask = (1 << fls(max)) - 1;
 	unsigned int invert = mc->invert;
 	unsigned int val, val_mask;
-	int err, ret;
+	int err, ret, tmp;
+
+	tmp = ucontrol->value.integer.value[0];
+	if (tmp < 0)
+		return -EINVAL;
+	if (mc->platform_max && tmp > mc->platform_max)
+		return -EINVAL;
+	if (tmp > mc->max - mc->min + 1)
+		return -EINVAL;
 
 	if (invert)
 		val = (max - ucontrol->value.integer.value[0]) & mask;
@@ -534,6 +542,14 @@ int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
 	ret = err;
 
 	if (snd_soc_volsw_is_stereo(mc)) {
+		tmp = ucontrol->value.integer.value[1];
+		if (tmp < 0)
+			return -EINVAL;
+		if (mc->platform_max && tmp > mc->platform_max)
+			return -EINVAL;
+		if (tmp > mc->max - mc->min + 1)
+			return -EINVAL;
+
 		if (invert)
 			val = (max - ucontrol->value.integer.value[1]) & mask;
 		else
diff --git a/sound/soc/sof/ipc3-topology.c b/sound/soc/sof/ipc3-topology.c
index 3d00d371fbf3..220ab6c6803f 100644
--- a/sound/soc/sof/ipc3-topology.c
+++ b/sound/soc/sof/ipc3-topology.c
@@ -20,7 +20,8 @@
 struct sof_widget_data {
 	int ctrl_type;
 	int ipc_cmd;
-	struct sof_abi_hdr *pdata;
+	void *pdata;
+	size_t pdata_size;
 	struct snd_sof_control *control;
 };
 
@@ -784,16 +785,26 @@ static int sof_get_control_data(struct snd_soc_component *scomp,
 		}
 
 		cdata = wdata[i].control->ipc_control_data;
-		wdata[i].pdata = cdata->data;
-		if (!wdata[i].pdata)
-			return -EINVAL;
 
-		/* make sure data is valid - data can be updated at runtime */
-		if (widget->dobj.widget.kcontrol_type[i] == SND_SOC_TPLG_TYPE_BYTES &&
-		    wdata[i].pdata->magic != SOF_ABI_MAGIC)
-			return -EINVAL;
+		if (widget->dobj.widget.kcontrol_type[i] == SND_SOC_TPLG_TYPE_BYTES) {
+			/* make sure data is valid - data can be updated at runtime */
+			if (cdata->data->magic != SOF_ABI_MAGIC)
+				return -EINVAL;
+
+			wdata[i].pdata = cdata->data->data;
+			wdata[i].pdata_size = cdata->data->size;
+		} else {
+			/* points to the control data union */
+			wdata[i].pdata = cdata->chanv;
+			/*
+			 * wdata[i].control->size is calculated with struct_size
+			 * and includes the size of struct sof_ipc_ctrl_data
+			 */
+			wdata[i].pdata_size = wdata[i].control->size -
+					      sizeof(struct sof_ipc_ctrl_data);
+		}
 
-		*size += wdata[i].pdata->size;
+		*size += wdata[i].pdata_size;
 
 		/* get data type */
 		switch (cdata->cmd) {
@@ -876,10 +887,12 @@ static int sof_process_load(struct snd_soc_component *scomp,
 	 */
 	if (ipc_data_size) {
 		for (i = 0; i < widget->num_kcontrols; i++) {
-			memcpy(&process->data[offset],
-			       wdata[i].pdata->data,
-			       wdata[i].pdata->size);
-			offset += wdata[i].pdata->size;
+			if (!wdata[i].pdata_size)
+				continue;
+
+			memcpy(&process->data[offset], wdata[i].pdata,
+			       wdata[i].pdata_size);
+			offset += wdata[i].pdata_size;
 		}
 	}
 
diff --git a/sound/soc/sof/sof-pci-dev.c b/sound/soc/sof/sof-pci-dev.c
index 3b0978b02f9f..d627092b399d 100644
--- a/sound/soc/sof/sof-pci-dev.c
+++ b/sound/soc/sof/sof-pci-dev.c
@@ -187,6 +187,11 @@ int sof_pci_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
 
 	dev_dbg(&pci->dev, "PCI DSP detected");
 
+	if (!desc) {
+		dev_err(dev, "error: no matching PCI descriptor\n");
+		return -ENODEV;
+	}
+
 	if (!desc->ops) {
 		dev_err(dev, "error: no matching PCI descriptor ops\n");
 		return -ENODEV;