Merge branch 'for-5.4' of...

Merge branch 'for-5.4' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-5.5

include/sound/simple_card_utils.h

@@ -136,7 +136,7 @@ int asoc_simple_init_priv(struct asoc_simple_priv *priv,
 			       struct link_info *li);
 
 #ifdef DEBUG
-inline void asoc_simple_debug_dai(struct asoc_simple_priv *priv,
+static inline void asoc_simple_debug_dai(struct asoc_simple_priv *priv,
 					 char *name,
 					 struct asoc_simple_dai *dai)
 {
@@ -168,7 +168,7 @@ inline void asoc_simple_debug_dai(struct asoc_simple_priv *priv,
 		dev_dbg(dev, "%s clk %luHz\n", name, clk_get_rate(dai->clk));
 }
 
-inline void asoc_simple_debug_info(struct asoc_simple_priv *priv)
+static inline void asoc_simple_debug_info(struct asoc_simple_priv *priv)
 {
 	struct snd_soc_card *card = simple_priv_to_card(priv);
 	struct device *dev = simple_priv_to_dev(priv);

sound/core/compress_offload.c

@@ -528,7 +528,7 @@ static int snd_compress_check_input(struct snd_compr_params *params)
 {
 	/* first let's check the buffer parameter's */
 	if (params->buffer.fragment_size == 0 ||
-	    params->buffer.fragments > INT_MAX / params->buffer.fragment_size ||
+	    params->buffer.fragments > U32_MAX / params->buffer.fragment_size ||
 	    params->buffer.fragments == 0)
 		return -EINVAL;
 

sound/soc/codecs/hdac_hda.c

@@ -500,8 +500,8 @@ static void hdac_hda_codec_remove(struct snd_soc_component *component)
 		return;
 	}
 
-	snd_hdac_ext_bus_link_put(hdev->bus, hlink);
 	pm_runtime_disable(&hdev->dev);
+	snd_hdac_ext_bus_link_put(hdev->bus, hlink);
 }
 
 static const struct snd_soc_dapm_route hdac_hda_dapm_routes[] = {

sound/soc/codecs/hdmi-codec.c

@@ -274,7 +274,7 @@ struct hdmi_codec_priv {
 	uint8_t eld[MAX_ELD_BYTES];
 	struct snd_pcm_chmap *chmap_info;
 	unsigned int chmap_idx;
-	struct mutex lock;
+	unsigned long busy;
 	struct snd_soc_jack *jack;
 	unsigned int jack_status;
 };
@@ -390,8 +390,8 @@ static int hdmi_codec_startup(struct snd_pcm_substream *substream,
 	struct hdmi_codec_priv *hcp = snd_soc_dai_get_drvdata(dai);
 	int ret = 0;
 
-	ret = mutex_trylock(&hcp->lock);
-	if (!ret) {
+	ret = test_and_set_bit(0, &hcp->busy);
+	if (ret) {
 		dev_err(dai->dev, "Only one simultaneous stream supported!\n");
 		return -EINVAL;
 	}
@@ -419,7 +419,7 @@ static int hdmi_codec_startup(struct snd_pcm_substream *substream,
 
 err:
 	/* Release the exclusive lock on error */
-	mutex_unlock(&hcp->lock);
+	clear_bit(0, &hcp->busy);
 	return ret;
 }
 
@@ -431,7 +431,7 @@ static void hdmi_codec_shutdown(struct snd_pcm_substream *substream,
 	hcp->chmap_idx = HDMI_CODEC_CHMAP_IDX_UNKNOWN;
 	hcp->hcd.ops->audio_shutdown(dai->dev->parent, hcp->hcd.data);
 
-	mutex_unlock(&hcp->lock);
+	clear_bit(0, &hcp->busy);
 }
 
 static int hdmi_codec_hw_params(struct snd_pcm_substream *substream,
@@ -811,8 +811,6 @@ static int hdmi_codec_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	hcp->hcd = *hcd;
-	mutex_init(&hcp->lock);
-
 	daidrv = devm_kcalloc(dev, dai_count, sizeof(*daidrv), GFP_KERNEL);
 	if (!daidrv)
 		return -ENOMEM;

sound/soc/codecs/max98373.c

@@ -960,11 +960,11 @@ static int max98373_i2c_probe(struct i2c_client *i2c,
 
 	/* Power on device */
 	if (gpio_is_valid(max98373->reset_gpio)) {
-		ret = gpio_request(max98373->reset_gpio, "MAX98373_RESET");
+		ret = devm_gpio_request(&i2c->dev, max98373->reset_gpio,
+					"MAX98373_RESET");
 		if (ret) {
 			dev_err(&i2c->dev, "%s: Failed to request gpio %d\n",
 				__func__, max98373->reset_gpio);
-			gpio_free(max98373->reset_gpio);
 			return -EINVAL;
 		}
 		gpio_direction_output(max98373->reset_gpio, 0);

sound/soc/codecs/msm8916-wcd-analog.c

@@ -310,7 +310,7 @@ struct pm8916_wcd_analog_priv {
 };
 
 static const char *const adc2_mux_text[] = { "ZERO", "INP2", "INP3" };
-static const char *const rdac2_mux_text[] = { "ZERO", "RX2", "RX1" };
+static const char *const rdac2_mux_text[] = { "RX1", "RX2" };
 static const char *const hph_text[] = { "ZERO", "Switch", };
 
 static const struct soc_enum hph_enum = SOC_ENUM_SINGLE_VIRT(
@@ -326,7 +326,7 @@ static const struct soc_enum adc2_enum = SOC_ENUM_SINGLE_VIRT(
 
 /* RDAC2 MUX */
 static const struct soc_enum rdac2_mux_enum = SOC_ENUM_SINGLE(
-			CDC_D_CDC_CONN_HPHR_DAC_CTL, 0, 3, rdac2_mux_text);
+			CDC_D_CDC_CONN_HPHR_DAC_CTL, 0, 2, rdac2_mux_text);
 
 static const struct snd_kcontrol_new spkr_switch[] = {
 	SOC_DAPM_SINGLE("Switch", CDC_A_SPKR_DAC_CTL, 7, 1, 0)

sound/soc/codecs/msm8916-wcd-digital.c

@@ -243,6 +243,10 @@ static const char *const rx_mix1_text[] = {
 	"ZERO", "IIR1", "IIR2", "RX1", "RX2", "RX3"
 };
 
+static const char * const rx_mix2_text[] = {
+	"ZERO", "IIR1", "IIR2"
+};
+
 static const char *const dec_mux_text[] = {
 	"ZERO", "ADC1", "ADC2", "ADC3", "DMIC1", "DMIC2"
 };
@@ -270,6 +274,16 @@ static const struct soc_enum rx3_mix1_inp_enum[] = {
 	SOC_ENUM_SINGLE(LPASS_CDC_CONN_RX3_B2_CTL, 0, 6, rx_mix1_text),
 };
 
+/* RX1 MIX2 */
+static const struct soc_enum rx_mix2_inp1_chain_enum =
+	SOC_ENUM_SINGLE(LPASS_CDC_CONN_RX1_B3_CTL,
+		0, 3, rx_mix2_text);
+
+/* RX2 MIX2 */
+static const struct soc_enum rx2_mix2_inp1_chain_enum =
+	SOC_ENUM_SINGLE(LPASS_CDC_CONN_RX2_B3_CTL,
+		0, 3, rx_mix2_text);
+
 /* DEC */
 static const struct soc_enum dec1_mux_enum = SOC_ENUM_SINGLE(
 				LPASS_CDC_CONN_TX_B1_CTL, 0, 6, dec_mux_text);
@@ -309,6 +323,10 @@ static const struct snd_kcontrol_new rx3_mix1_inp2_mux = SOC_DAPM_ENUM(
 				"RX3 MIX1 INP2 Mux", rx3_mix1_inp_enum[1]);
 static const struct snd_kcontrol_new rx3_mix1_inp3_mux = SOC_DAPM_ENUM(
 				"RX3 MIX1 INP3 Mux", rx3_mix1_inp_enum[2]);
+static const struct snd_kcontrol_new rx1_mix2_inp1_mux = SOC_DAPM_ENUM(
+				"RX1 MIX2 INP1 Mux", rx_mix2_inp1_chain_enum);
+static const struct snd_kcontrol_new rx2_mix2_inp1_mux = SOC_DAPM_ENUM(
+				"RX2 MIX2 INP1 Mux", rx2_mix2_inp1_chain_enum);
 
 /* Digital Gain control -38.4 dB to +38.4 dB in 0.3 dB steps */
 static const DECLARE_TLV_DB_SCALE(digital_gain, -3840, 30, 0);
@@ -740,6 +758,10 @@ static const struct snd_soc_dapm_widget msm8916_wcd_digital_dapm_widgets[] = {
 			 &rx3_mix1_inp2_mux),
 	SND_SOC_DAPM_MUX("RX3 MIX1 INP3", SND_SOC_NOPM, 0, 0,
 			 &rx3_mix1_inp3_mux),
+	SND_SOC_DAPM_MUX("RX1 MIX2 INP1", SND_SOC_NOPM, 0, 0,
+			 &rx1_mix2_inp1_mux),
+	SND_SOC_DAPM_MUX("RX2 MIX2 INP1", SND_SOC_NOPM, 0, 0,
+			 &rx2_mix2_inp1_mux),
 
 	SND_SOC_DAPM_MUX("CIC1 MUX", SND_SOC_NOPM, 0, 0, &cic1_mux),
 	SND_SOC_DAPM_MUX("CIC2 MUX", SND_SOC_NOPM, 0, 0, &cic2_mux),

sound/soc/codecs/wm_adsp.c

@@ -1259,7 +1259,6 @@ static unsigned int wmfw_convert_flags(unsigned int in, unsigned int len)
 	}
 
 	if (in) {
-		if (in & WMFW_CTL_FLAG_READABLE)
 		out |= rd;
 		if (in & WMFW_CTL_FLAG_WRITEABLE)
 			out |= wr;

sound/soc/intel/boards/sof_rt5682.c

@@ -612,6 +612,15 @@ static int sof_audio_probe(struct platform_device *pdev)
 	/* need to get main clock from pmc */
 	if (sof_rt5682_quirk & SOF_RT5682_MCLK_BYTCHT_EN) {
 		ctx->mclk = devm_clk_get(&pdev->dev, "pmc_plt_clk_3");
+		if (IS_ERR(ctx->mclk)) {
+			ret = PTR_ERR(ctx->mclk);
+
+			dev_err(&pdev->dev,
+				"Failed to get MCLK from pmc_plt_clk_3: %d\n",
+				ret);
+			return ret;
+		}
+
 		ret = clk_prepare_enable(ctx->mclk);
 		if (ret < 0) {
 			dev_err(&pdev->dev,

sound/soc/kirkwood/kirkwood-i2s.c

@@ -555,10 +555,6 @@ static int kirkwood_i2s_dev_probe(struct platform_device *pdev)
 		return PTR_ERR(priv->clk);
 	}
 
-	err = clk_prepare_enable(priv->clk);
-	if (err < 0)
-		return err;
-
 	priv->extclk = devm_clk_get(&pdev->dev, "extclk");
 	if (IS_ERR(priv->extclk)) {
 		if (PTR_ERR(priv->extclk) == -EPROBE_DEFER)
@@ -574,6 +570,10 @@ static int kirkwood_i2s_dev_probe(struct platform_device *pdev)
 		}
 	}
 
+	err = clk_prepare_enable(priv->clk);
+	if (err < 0)
+		return err;
+
 	/* Some sensible defaults - this reflects the powerup values */
 	priv->ctl_play = KIRKWOOD_PLAYCTL_SIZE_24;
 	priv->ctl_rec = KIRKWOOD_RECCTL_SIZE_24;
@@ -587,7 +587,7 @@ static int kirkwood_i2s_dev_probe(struct platform_device *pdev)
 		priv->ctl_rec |= KIRKWOOD_RECCTL_BURST_128;
 	}
 
-	err = devm_snd_soc_register_component(&pdev->dev, &kirkwood_soc_component,
+	err = snd_soc_register_component(&pdev->dev, &kirkwood_soc_component,
 					 soc_dai, 2);
 	if (err) {
 		dev_err(&pdev->dev, "snd_soc_register_component failed\n");
@@ -610,6 +610,7 @@ static int kirkwood_i2s_dev_remove(struct platform_device *pdev)
 {
 	struct kirkwood_dma_data *priv = dev_get_drvdata(&pdev->dev);
 
+	snd_soc_unregister_component(&pdev->dev);
 	if (!IS_ERR(priv->extclk))
 		clk_disable_unprepare(priv->extclk);
 	clk_disable_unprepare(priv->clk);

sound/soc/rockchip/rockchip_i2s.c

@@ -677,7 +677,7 @@ static int rockchip_i2s_probe(struct platform_device *pdev)
 	ret = rockchip_pcm_platform_register(&pdev->dev);
 	if (ret) {
 		dev_err(&pdev->dev, "Could not register PCM\n");
-		return ret;
+		goto err_suspend;
 	}
 
 	return 0;

sound/soc/rockchip/rockchip_max98090.c

@@ -113,10 +113,13 @@ static int rk_jack_event(struct notifier_block *nb, unsigned long event,
 	struct snd_soc_jack *jack = (struct snd_soc_jack *)data;
 	struct snd_soc_dapm_context *dapm = &jack->card->dapm;
 
-	if (event & SND_JACK_MICROPHONE)
+	if (event & SND_JACK_MICROPHONE) {
 		snd_soc_dapm_force_enable_pin(dapm, "MICBIAS");
-	else
+		snd_soc_dapm_force_enable_pin(dapm, "SHDN");
+	} else {
 		snd_soc_dapm_disable_pin(dapm, "MICBIAS");
+		snd_soc_dapm_disable_pin(dapm, "SHDN");
+	}
 
 	snd_soc_dapm_sync(dapm);
 

sound/soc/sh/rcar/core.c

@@ -761,6 +761,7 @@ static int rsnd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
 	}
 
 	/* set format */
+	rdai->bit_clk_inv = 0;
 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
 	case SND_SOC_DAIFMT_I2S:
 		rdai->sys_delay = 0;

sound/soc/sh/rcar/dma.c

@@ -534,10 +534,10 @@ static struct rsnd_mod_ops rsnd_dmapp_ops = {
 #define RDMA_SSI_I_N(addr, i)	(addr ##_reg - 0x00300000 + (0x40 * i) + 0x8)
 #define RDMA_SSI_O_N(addr, i)	(addr ##_reg - 0x00300000 + (0x40 * i) + 0xc)
 
-#define RDMA_SSIU_I_N(addr, i, j) (addr ##_reg - 0x00441000 + (0x1000 * (i)) + (((j) / 4) * 0xA000) + (((j) % 4) * 0x400))
+#define RDMA_SSIU_I_N(addr, i, j) (addr ##_reg - 0x00441000 + (0x1000 * (i)) + (((j) / 4) * 0xA000) + (((j) % 4) * 0x400) - (0x4000 * ((i) / 9) * ((j) / 4)))
 #define RDMA_SSIU_O_N(addr, i, j) RDMA_SSIU_I_N(addr, i, j)
 
-#define RDMA_SSIU_I_P(addr, i, j) (addr ##_reg - 0x00141000 + (0x1000 * (i)) + (((j) / 4) * 0xA000) + (((j) % 4) * 0x400))
+#define RDMA_SSIU_I_P(addr, i, j) (addr ##_reg - 0x00141000 + (0x1000 * (i)) + (((j) / 4) * 0xA000) + (((j) % 4) * 0x400) - (0x4000 * ((i) / 9) * ((j) / 4)))
 #define RDMA_SSIU_O_P(addr, i, j) RDMA_SSIU_I_P(addr, i, j)
 
 #define RDMA_SRC_I_N(addr, i)	(addr ##_reg - 0x00500000 + (0x400 * i))

sound/soc/soc-pcm.c

@@ -1182,6 +1182,7 @@ static int dpcm_be_connect(struct snd_soc_pcm_runtime *fe,
 {
 	struct snd_soc_dpcm *dpcm;
 	unsigned long flags;
+	char *name;
 
 	/* only add new dpcms */
 	for_each_dpcm_be(fe, stream, dpcm) {
@@ -1207,9 +1208,15 @@ static int dpcm_be_connect(struct snd_soc_pcm_runtime *fe,
 			stream ? "<-" : "->", be->dai_link->name);
 
 #ifdef CONFIG_DEBUG_FS
-	dpcm->debugfs_state = debugfs_create_dir(be->dai_link->name,
+	name = kasprintf(GFP_KERNEL, "%s:%s", be->dai_link->name,
+			 stream ? "capture" : "playback");
+	if (name) {
+		dpcm->debugfs_state = debugfs_create_dir(name,
 							 fe->debugfs_dpcm_root);
-	debugfs_create_u32("state", 0644, dpcm->debugfs_state, &dpcm->state);
+		debugfs_create_u32("state", 0644, dpcm->debugfs_state,
+				   &dpcm->state);
+		kfree(name);
+	}
 #endif
 	return 1;
 }

sound/soc/sof/control.c

@@ -91,13 +91,16 @@ int snd_sof_volume_put(struct snd_kcontrol *kcontrol,
 	struct snd_sof_dev *sdev = scontrol->sdev;
 	struct sof_ipc_ctrl_data *cdata = scontrol->control_data;
 	unsigned int i, channels = scontrol->num_channels;
+	bool change = false;
+	u32 value;
 
 	/* update each channel */
 	for (i = 0; i < channels; i++) {
-		cdata->chanv[i].value =
-			mixer_to_ipc(ucontrol->value.integer.value[i],
+		value = mixer_to_ipc(ucontrol->value.integer.value[i],
 				     scontrol->volume_table, sm->max + 1);
+		change = change || (value != cdata->chanv[i].value);
 		cdata->chanv[i].channel = i;
+		cdata->chanv[i].value = value;
 	}
 
 	/* notify DSP of mixer updates */
@@ -107,8 +110,7 @@ int snd_sof_volume_put(struct snd_kcontrol *kcontrol,
 					      SOF_CTRL_TYPE_VALUE_CHAN_GET,
 					      SOF_CTRL_CMD_VOLUME,
 					      true);
-
-	return 0;
+	return change;
 }
 
 int snd_sof_switch_get(struct snd_kcontrol *kcontrol,
@@ -136,11 +138,15 @@ int snd_sof_switch_put(struct snd_kcontrol *kcontrol,
 	struct snd_sof_dev *sdev = scontrol->sdev;
 	struct sof_ipc_ctrl_data *cdata = scontrol->control_data;
 	unsigned int i, channels = scontrol->num_channels;
+	bool change = false;
+	u32 value;
 
 	/* update each channel */
 	for (i = 0; i < channels; i++) {
-		cdata->chanv[i].value = ucontrol->value.integer.value[i];
+		value = ucontrol->value.integer.value[i];
+		change = change || (value != cdata->chanv[i].value);
 		cdata->chanv[i].channel = i;
+		cdata->chanv[i].value = value;
 	}
 
 	if (scontrol->led_ctl.use_led)
@@ -154,7 +160,7 @@ int snd_sof_switch_put(struct snd_kcontrol *kcontrol,
 					      SOF_CTRL_CMD_SWITCH,
 					      true);
 
-	return 0;
+	return change;
 }
 
 int snd_sof_enum_get(struct snd_kcontrol *kcontrol,
@@ -182,11 +188,15 @@ int snd_sof_enum_put(struct snd_kcontrol *kcontrol,
 	struct snd_sof_dev *sdev = scontrol->sdev;
 	struct sof_ipc_ctrl_data *cdata = scontrol->control_data;
 	unsigned int i, channels = scontrol->num_channels;
+	bool change = false;
+	u32 value;
 
 	/* update each channel */
 	for (i = 0; i < channels; i++) {
-		cdata->chanv[i].value = ucontrol->value.enumerated.item[i];
+		value = ucontrol->value.enumerated.item[i];
+		change = change || (value != cdata->chanv[i].value);
 		cdata->chanv[i].channel = i;
+		cdata->chanv[i].value = value;
 	}
 
 	/* notify DSP of enum updates */
@@ -197,7 +207,7 @@ int snd_sof_enum_put(struct snd_kcontrol *kcontrol,
 					      SOF_CTRL_CMD_ENUM,
 					      true);
 
-	return 0;
+	return change;
 }
 
 int snd_sof_bytes_get(struct snd_kcontrol *kcontrol,

sound/soc/sof/debug.c

@@ -152,8 +152,10 @@ static ssize_t sof_dfsentry_write(struct file *file, const char __user *buffer,
 	 */
 	dentry = file->f_path.dentry;
 	if (strcmp(dentry->d_name.name, "ipc_flood_count") &&
-	    strcmp(dentry->d_name.name, "ipc_flood_duration_ms"))
-		return -EINVAL;
+	    strcmp(dentry->d_name.name, "ipc_flood_duration_ms")) {
+		ret = -EINVAL;
+		goto out;
+	}
 
 	if (!strcmp(dentry->d_name.name, "ipc_flood_duration_ms"))
 		flood_duration_test = true;

sound/soc/sof/intel/hda-stream.c

@@ -190,7 +190,7 @@ hda_dsp_stream_get(struct snd_sof_dev *sdev, int direction)
 	 * Workaround to address a known issue with host DMA that results
 	 * in xruns during pause/release in capture scenarios.
 	 */
-	if (!IS_ENABLED(SND_SOC_SOF_HDA_ALWAYS_ENABLE_DMI_L1))
+	if (!IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_ALWAYS_ENABLE_DMI_L1))
 		if (stream && direction == SNDRV_PCM_STREAM_CAPTURE)
 			snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR,
 						HDA_VS_INTEL_EM2,
@@ -228,7 +228,7 @@ int hda_dsp_stream_put(struct snd_sof_dev *sdev, int direction, int stream_tag)
 	spin_unlock_irq(&bus->reg_lock);
 
 	/* Enable DMI L1 entry if there are no capture streams open */
-	if (!IS_ENABLED(SND_SOC_SOF_HDA_ALWAYS_ENABLE_DMI_L1))
+	if (!IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_ALWAYS_ENABLE_DMI_L1))
 		if (!active_capture_stream)
 			snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR,
 						HDA_VS_INTEL_EM2,

sound/soc/sof/ipc.c

@@ -570,8 +570,10 @@ static int sof_set_get_large_ctrl_data(struct snd_sof_dev *sdev,
 	else
 		err = sof_get_ctrl_copy_params(cdata->type, partdata, cdata,
 					       sparams);
-	if (err < 0)
+	if (err < 0) {
+		kfree(partdata);
 		return err;
+	}
 
 	msg_bytes = sparams->msg_bytes;
 	pl_size = sparams->pl_size;

sound/soc/stm/stm32_sai_sub.c

@@ -505,10 +505,20 @@ static int stm32_sai_set_sysclk(struct snd_soc_dai *cpu_dai,
 	if (dir == SND_SOC_CLOCK_OUT && sai->sai_mclk) {
 		ret = regmap_update_bits(sai->regmap, STM_SAI_CR1_REGX,
 					 SAI_XCR1_NODIV,
-					 (unsigned int)~SAI_XCR1_NODIV);
+					 freq ? 0 : SAI_XCR1_NODIV);
 		if (ret < 0)
 			return ret;
 
+		/* Assume shutdown if requested frequency is 0Hz */
+		if (!freq) {
+			/* Release mclk rate only if rate was actually set */
+			if (sai->mclk_rate) {
+				clk_rate_exclusive_put(sai->sai_mclk);
+				sai->mclk_rate = 0;
+			}
+			return 0;
+		}
+
 		/* If master clock is used, set parent clock now */
 		ret = stm32_sai_set_parent_clock(sai, freq);
 		if (ret)
@@ -1093,15 +1103,6 @@ static void stm32_sai_shutdown(struct snd_pcm_substream *substream,
 
 	regmap_update_bits(sai->regmap, STM_SAI_IMR_REGX, SAI_XIMR_MASK, 0);
 
-	regmap_update_bits(sai->regmap, STM_SAI_CR1_REGX, SAI_XCR1_NODIV,
-			   SAI_XCR1_NODIV);
-
-	/* Release mclk rate only if rate was actually set */
-	if (sai->mclk_rate) {
-		clk_rate_exclusive_put(sai->sai_mclk);
-		sai->mclk_rate = 0;
-	}
-
 	clk_disable_unprepare(sai->sai_ck);
 
 	spin_lock_irqsave(&sai->irq_lock, flags);
@@ -1217,6 +1218,16 @@ static int stm32_sai_pcm_process_spdif(struct snd_pcm_substream *substream,
 	return 0;
 }
 
+/* No support of mmap in S/PDIF mode */
+static const struct snd_pcm_hardware stm32_sai_pcm_hw_spdif = {
+	.info = SNDRV_PCM_INFO_INTERLEAVED,
+	.buffer_bytes_max = 8 * PAGE_SIZE,
+	.period_bytes_min = 1024,
+	.period_bytes_max = PAGE_SIZE,
+	.periods_min = 2,
+	.periods_max = 8,
+};
+
 static const struct snd_pcm_hardware stm32_sai_pcm_hw = {
 	.info = SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_MMAP,
 	.buffer_bytes_max = 8 * PAGE_SIZE,
@@ -1269,7 +1280,7 @@ static const struct snd_dmaengine_pcm_config stm32_sai_pcm_config = {
 };
 
 static const struct snd_dmaengine_pcm_config stm32_sai_pcm_config_spdif = {
-	.pcm_hardware = &stm32_sai_pcm_hw,
+	.pcm_hardware = &stm32_sai_pcm_hw_spdif,
 	.prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config,
 	.process = stm32_sai_pcm_process_spdif,
 };

sound/soc/ti/sdma-pcm.c

@@ -62,7 +62,7 @@ int sdma_pcm_platform_register(struct device *dev,
 	config->chan_names[0] = txdmachan;
 	config->chan_names[1] = rxdmachan;
 
-	return devm_snd_dmaengine_pcm_register(dev, config, 0);
+	return devm_snd_dmaengine_pcm_register(dev, config, flags);
 }
 EXPORT_SYMBOL_GPL(sdma_pcm_platform_register);