Merge tag 'asoc-fix-v6.3' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Fixes for v6.3

Almost all of this is driver specific fixes and new IDs that have come
in during the merge window.  A good chunk of them are simple ones from
me which came about due to a bunch of Mediatek Chromebooks being enabled
in KernelCI, there's more where that came from.

We do have one small feature added to the PCM core by Claudiu Beznea in
order to allow the sequencing required to resolve a noise issue with the
Microchip PDMC driver.

Author: tiwai

Documentation/devicetree/bindings/sound/apple,mca.yaml

@@ -23,6 +23,7 @@ properties:
       - enum:
           - apple,t6000-mca
           - apple,t8103-mca
+          - apple,t8112-mca
       - const: apple,mca
 
   reg:

Documentation/devicetree/bindings/sound/microchip,sama7g5-pdmc.yaml

@@ -67,6 +67,12 @@ properties:
     maxItems: 4
     uniqueItems: true
 
+  microchip,startup-delay-us:
+    description: |
+      Specifies the delay in microseconds that needs to be applied after
+      enabling the PDMC microphones to avoid unwanted noise due to microphones
+      not being ready.
+
 required:
   - compatible
   - reg

include/sound/soc-component.h

@@ -190,6 +190,8 @@ struct snd_soc_component_driver {
 	bool use_dai_pcm_id;	/* use DAI link PCM ID as PCM device number */
 	int be_pcm_base;	/* base device ID for all BE PCMs */
 
+	unsigned int start_dma_last;
+
 #ifdef CONFIG_DEBUG_FS
 	const char *debugfs_prefix;
 #endif

sound/soc/amd/yc/acp6x-mach.c

@@ -255,6 +255,20 @@ static const struct dmi_system_id yc_acp_quirk_table[] = {
 			DMI_MATCH(DMI_PRODUCT_NAME, "15NBC1011"),
 		}
 	},
+	{
+		.driver_data = &acp6x_card,
+		.matches = {
+			DMI_MATCH(DMI_BOARD_VENDOR, "HP"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "OMEN by HP Gaming Laptop 16z-n000"),
+		}
+	},
+	{
+		.driver_data = &acp6x_card,
+		.matches = {
+			DMI_MATCH(DMI_BOARD_VENDOR, "HP"),
+			DMI_MATCH(DMI_BOARD_NAME, "8A43"),
+		}
+	},
 	{}
 };
 

sound/soc/apple/mca.c

@@ -101,7 +101,6 @@
 #define SERDES_CONF_UNK3	BIT(14)
 #define SERDES_CONF_NO_DATA_FEEDBACK	BIT(15)
 #define SERDES_CONF_SYNC_SEL	GENMASK(18, 16)
-#define SERDES_CONF_SOME_RST	BIT(19)
 #define REG_TX_SERDES_BITSTART	0x08
 #define REG_RX_SERDES_BITSTART	0x0c
 #define REG_TX_SERDES_SLOTMASK	0x0c
@@ -203,15 +202,24 @@ static void mca_fe_early_trigger(struct snd_pcm_substream *substream, int cmd,
 	case SNDRV_PCM_TRIGGER_START:
 	case SNDRV_PCM_TRIGGER_RESUME:
 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+		mca_modify(cl, serdes_conf, SERDES_CONF_SYNC_SEL,
+			   FIELD_PREP(SERDES_CONF_SYNC_SEL, 0));
+		mca_modify(cl, serdes_conf, SERDES_CONF_SYNC_SEL,
+			   FIELD_PREP(SERDES_CONF_SYNC_SEL, 7));
 		mca_modify(cl, serdes_unit + REG_SERDES_STATUS,
 			   SERDES_STATUS_EN | SERDES_STATUS_RST,
 			   SERDES_STATUS_RST);
-		mca_modify(cl, serdes_conf, SERDES_CONF_SOME_RST,
-			   SERDES_CONF_SOME_RST);
-		readl_relaxed(cl->base + serdes_conf);
-		mca_modify(cl, serdes_conf, SERDES_STATUS_RST, 0);
-		WARN_ON(readl_relaxed(cl->base + REG_SERDES_STATUS) &
+		/*
+		 * Experiments suggest that it takes at most ~1 us
+		 * for the bit to clear, so wait 2 us for good measure.
+		 */
+		udelay(2);
+		WARN_ON(readl_relaxed(cl->base + serdes_unit + REG_SERDES_STATUS) &
 			SERDES_STATUS_RST);
+		mca_modify(cl, serdes_conf, SERDES_CONF_SYNC_SEL,
+			   FIELD_PREP(SERDES_CONF_SYNC_SEL, 0));
+		mca_modify(cl, serdes_conf, SERDES_CONF_SYNC_SEL,
+			   FIELD_PREP(SERDES_CONF_SYNC_SEL, cl->no + 1));
 		break;
 	default:
 		break;
@@ -942,10 +950,17 @@ static int mca_pcm_new(struct snd_soc_component *component,
 		chan = mca_request_dma_channel(cl, i);
 
 		if (IS_ERR_OR_NULL(chan)) {
+			mca_pcm_free(component, rtd->pcm);
+
+			if (chan && PTR_ERR(chan) == -EPROBE_DEFER)
+				return PTR_ERR(chan);
+
 			dev_err(component->dev, "unable to obtain DMA channel (stream %d cluster %d): %pe\n",
 				i, cl->no, chan);
-			mca_pcm_free(component, rtd->pcm);
-			return -EINVAL;
+
+			if (!chan)
+				return -EINVAL;
+			return PTR_ERR(chan);
 		}
 
 		cl->dma_chans[i] = chan;

sound/soc/atmel/mchp-pdmc.c

@@ -114,6 +114,7 @@ struct mchp_pdmc {
 	struct clk *gclk;
 	u32 pdmcen;
 	u32 suspend_irq;
+	u32 startup_delay_us;
 	int mic_no;
 	int sinc_order;
 	bool audio_filter_en;
@@ -425,6 +426,7 @@ static const struct snd_soc_component_driver mchp_pdmc_dai_component = {
 	.open = &mchp_pdmc_open,
 	.close = &mchp_pdmc_close,
 	.legacy_dai_naming = 1,
+	.start_dma_last = 1,
 };
 
 static const unsigned int mchp_pdmc_1mic[] = {1};
@@ -632,6 +634,29 @@ static int mchp_pdmc_hw_params(struct snd_pcm_substream *substream,
 	return 0;
 }
 
+static void mchp_pdmc_noise_filter_workaround(struct mchp_pdmc *dd)
+{
+	u32 tmp, steps = 16;
+
+	/*
+	 * PDMC doesn't wait for microphones' startup time thus the acquisition
+	 * may start before the microphones are ready leading to poc noises at
+	 * the beginning of capture. To avoid this, we need to wait 50ms (in
+	 * normal startup procedure) or 150 ms (worst case after resume from sleep
+	 * states) after microphones are enabled and then clear the FIFOs (by
+	 * reading the RHR 16 times) and possible interrupts before continuing.
+	 * Also, for this to work the DMA needs to be started after interrupts
+	 * are enabled.
+	 */
+	usleep_range(dd->startup_delay_us, dd->startup_delay_us + 5);
+
+	while (steps--)
+		regmap_read(dd->regmap, MCHP_PDMC_RHR, &tmp);
+
+	/* Clear interrupts. */
+	regmap_read(dd->regmap, MCHP_PDMC_ISR, &tmp);
+}
+
 static int mchp_pdmc_trigger(struct snd_pcm_substream *substream,
 			     int cmd, struct snd_soc_dai *dai)
 {
@@ -644,15 +669,17 @@ static int mchp_pdmc_trigger(struct snd_pcm_substream *substream,
 	switch (cmd) {
 	case SNDRV_PCM_TRIGGER_RESUME:
 	case SNDRV_PCM_TRIGGER_START:
-		/* Enable overrun and underrun error interrupts */
-		regmap_write(dd->regmap, MCHP_PDMC_IER, dd->suspend_irq |
-			     MCHP_PDMC_IR_RXOVR | MCHP_PDMC_IR_RXUDR);
-		dd->suspend_irq = 0;
-		fallthrough;
 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 		snd_soc_component_update_bits(cpu, MCHP_PDMC_MR,
 					      MCHP_PDMC_MR_PDMCEN_MASK,
 					      dd->pdmcen);
+
+		mchp_pdmc_noise_filter_workaround(dd);
+
+		/* Enable interrupts. */
+		regmap_write(dd->regmap, MCHP_PDMC_IER, dd->suspend_irq |
+			     MCHP_PDMC_IR_RXOVR | MCHP_PDMC_IR_RXUDR);
+		dd->suspend_irq = 0;
 		break;
 	case SNDRV_PCM_TRIGGER_SUSPEND:
 		regmap_read(dd->regmap, MCHP_PDMC_IMR, &dd->suspend_irq);
@@ -796,6 +823,7 @@ static bool mchp_pdmc_readable_reg(struct device *dev, unsigned int reg)
 	case MCHP_PDMC_CFGR:
 	case MCHP_PDMC_IMR:
 	case MCHP_PDMC_ISR:
+	case MCHP_PDMC_RHR:
 	case MCHP_PDMC_VER:
 		return true;
 	default:
@@ -817,6 +845,17 @@ static bool mchp_pdmc_writeable_reg(struct device *dev, unsigned int reg)
 	}
 }
 
+static bool mchp_pdmc_volatile_reg(struct device *dev, unsigned int reg)
+{
+	switch (reg) {
+	case MCHP_PDMC_ISR:
+	case MCHP_PDMC_RHR:
+		return true;
+	default:
+		return false;
+	}
+}
+
 static bool mchp_pdmc_precious_reg(struct device *dev, unsigned int reg)
 {
 	switch (reg) {
@@ -836,6 +875,7 @@ static const struct regmap_config mchp_pdmc_regmap_config = {
 	.readable_reg	= mchp_pdmc_readable_reg,
 	.writeable_reg	= mchp_pdmc_writeable_reg,
 	.precious_reg	= mchp_pdmc_precious_reg,
+	.volatile_reg	= mchp_pdmc_volatile_reg,
 	.cache_type	= REGCACHE_FLAT,
 };
 
@@ -918,6 +958,9 @@ static int mchp_pdmc_dt_init(struct mchp_pdmc *dd)
 		dd->channel_mic_map[i].clk_edge = edge;
 	}
 
+	dd->startup_delay_us = 150000;
+	of_property_read_u32(np, "microchip,startup-delay-us", &dd->startup_delay_us);
+
 	return 0;
 }
 

sound/soc/atmel/sam9g20_wm8731.c

@@ -98,6 +98,9 @@ static struct snd_soc_dai_link at91sam9g20ek_dai = {
 	.init = at91sam9g20ek_wm8731_init,
 	.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 		   SND_SOC_DAIFMT_CBP_CFP,
+#ifndef ENABLE_MIC_INPUT
+	.playback_only = true,
+#endif
 	SND_SOC_DAILINK_REG(pcm),
 };
 

sound/soc/codecs/Kconfig

@@ -2103,6 +2103,7 @@ config SND_SOC_WSA883X
 config SND_SOC_ZL38060
 	tristate "Microsemi ZL38060 Connected Home Audio Processor"
 	depends on SPI_MASTER
+	depends on GPIOLIB
 	select REGMAP
 	help
 	  Support for ZL38060 Connected Home Audio Processor from Microsemi,

sound/soc/codecs/adau7118.c

@@ -444,22 +444,6 @@ static const struct snd_soc_component_driver adau7118_component_driver = {
 	.endianness		= 1,
 };
 
-static void adau7118_regulator_disable(void *data)
-{
-	struct adau7118_data *st = data;
-	int ret;
-	/*
-	 * If we fail to disable DVDD, don't bother in trying IOVDD. We
-	 * actually don't want to be left in the situation where DVDD
-	 * is enabled and IOVDD is disabled.
-	 */
-	ret = regulator_disable(st->dvdd);
-	if (ret)
-		return;
-
-	regulator_disable(st->iovdd);
-}
-
 static int adau7118_regulator_setup(struct adau7118_data *st)
 {
 	st->iovdd = devm_regulator_get(st->dev, "iovdd");
@@ -481,8 +465,7 @@ static int adau7118_regulator_setup(struct adau7118_data *st)
 		regcache_cache_only(st->map, true);
 	}
 
-	return devm_add_action_or_reset(st->dev, adau7118_regulator_disable,
-					st);
+	return 0;
 }
 
 static int adau7118_parset_dt(const struct adau7118_data *st)

sound/soc/codecs/da7219-aad.c

@@ -339,26 +339,49 @@ static void da7219_aad_hptest_work(struct work_struct *work)
 				    SND_JACK_HEADSET | SND_JACK_LINEOUT);
 }
 
+static void da7219_aad_jack_det_work(struct work_struct *work)
+{
+	struct da7219_aad_priv *da7219_aad =
+		container_of(work, struct da7219_aad_priv, jack_det_work);
+	struct snd_soc_component *component = da7219_aad->component;
+	u8 srm_st;
+
+	mutex_lock(&da7219_aad->jack_det_mutex);
+
+	srm_st = snd_soc_component_read(component, DA7219_PLL_SRM_STS) & DA7219_PLL_SRM_STS_MCLK;
+	msleep(da7219_aad->gnd_switch_delay * ((srm_st == 0x0) ? 2 : 1) - 4);
+	/* Enable ground switch */
+	snd_soc_component_update_bits(component, 0xFB, 0x01, 0x01);
+
+	mutex_unlock(&da7219_aad->jack_det_mutex);
+}
+
 
 /*
  * IRQ
  */
 
+static irqreturn_t da7219_aad_pre_irq_thread(int irq, void *data)
+{
+
+	struct da7219_aad_priv *da7219_aad = data;
+
+	if (!da7219_aad->jack_inserted)
+		schedule_work(&da7219_aad->jack_det_work);
+
+	return IRQ_WAKE_THREAD;
+}
+
 static irqreturn_t da7219_aad_irq_thread(int irq, void *data)
 {
 	struct da7219_aad_priv *da7219_aad = data;
 	struct snd_soc_component *component = da7219_aad->component;
 	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
 	struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
 	u8 events[DA7219_AAD_IRQ_REG_MAX];
-	u8 statusa, srm_st;
+	u8 statusa;
 	int i, report = 0, mask = 0;
 
-	srm_st = snd_soc_component_read(component, DA7219_PLL_SRM_STS) & DA7219_PLL_SRM_STS_MCLK;
-	msleep(da7219_aad->gnd_switch_delay * ((srm_st == 0x0) ? 2 : 1) - 4);
-	/* Enable ground switch */
-	snd_soc_component_update_bits(component, 0xFB, 0x01, 0x01);
-
 	/* Read current IRQ events */
 	regmap_bulk_read(da7219->regmap, DA7219_ACCDET_IRQ_EVENT_A,
 			 events, DA7219_AAD_IRQ_REG_MAX);
@@ -377,6 +400,9 @@ static irqreturn_t da7219_aad_irq_thread(int irq, void *data)
 		events[DA7219_AAD_IRQ_REG_A], events[DA7219_AAD_IRQ_REG_B],
 		statusa);
 
+	if (!da7219_aad->jack_inserted)
+		cancel_work_sync(&da7219_aad->jack_det_work);
+
 	if (statusa & DA7219_JACK_INSERTION_STS_MASK) {
 		/* Jack Insertion */
 		if (events[DA7219_AAD_IRQ_REG_A] &
@@ -940,8 +966,9 @@ int da7219_aad_init(struct snd_soc_component *component)
 
 	INIT_WORK(&da7219_aad->btn_det_work, da7219_aad_btn_det_work);
 	INIT_WORK(&da7219_aad->hptest_work, da7219_aad_hptest_work);
+	INIT_WORK(&da7219_aad->jack_det_work, da7219_aad_jack_det_work);
 
-	ret = request_threaded_irq(da7219_aad->irq, NULL,
+	ret = request_threaded_irq(da7219_aad->irq, da7219_aad_pre_irq_thread,
 				   da7219_aad_irq_thread,
 				   IRQF_TRIGGER_LOW | IRQF_ONESHOT,
 				   "da7219-aad", da7219_aad);