Merge tag 'asoc-v5.1' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-next

ASoC: Updates for v5.1

Lots and lots of new drivers so far, a highlight being the MediaTek
BTCVSD which is a driver for a Bluetooth radio chip - the first such
driver we've had upstream.  Hopefully we will soon also see a baseband
with an upstream driver!

 - Support for only powering up channels that are actively being used.
 - Quite a few improvements to simplify the generic card drivers,
   especially the merge of the SCU cards into the main generic drivers.
 - Lots of fixes for probing on Intel systems, trying to rationalize
   things to look more standard from a framework point of view.
 - New drivers for Asahi Kasei Microdevices AK4497, Cirrus Logic CS4341,
   Google ChromeOS embedded controllers, Ingenic JZ4725B, MediaTek
   BTCVSD, MT8183 and MT6358, NXP MICFIL, Rockchip RK3328, Spreadtrum
   DMA controllers, Qualcomm WCD9335, Xilinx S/PDIF and PCM formatters.

5 files changed, 30 insertions, 23 deletions

diff --git a/sound/soc/intel/atom/sst-atom-controls.c b/sound/soc/intel/atom/sst-atom-controls.c
index 3672d36b4b66..d1207ea53523 100644
--- a/sound/soc/intel/atom/sst-atom-controls.c
+++ b/sound/soc/intel/atom/sst-atom-controls.c
@@ -647,7 +647,7 @@ static int sst_swm_mixer_event(struct snd_soc_dapm_widget *w,
 		set_mixer = false;
 	}
 
-	if (set_mixer == false)
+	if (!set_mixer)
 		return 0;
 
 	if (SND_SOC_DAPM_EVENT_ON(event) ||
diff --git a/sound/soc/intel/atom/sst-mfld-platform-pcm.c b/sound/soc/intel/atom/sst-mfld-platform-pcm.c
index 985abda3bfbb..08cea5b5cda9 100644
--- a/sound/soc/intel/atom/sst-mfld-platform-pcm.c
+++ b/sound/soc/intel/atom/sst-mfld-platform-pcm.c
@@ -190,7 +190,7 @@ int sst_fill_stream_params(void *substream,
 	map = ctx->pdata->pdev_strm_map;
 	map_size = ctx->pdata->strm_map_size;
 
-	if (is_compress == true)
+	if (is_compress)
 		cstream = (struct snd_compr_stream *)substream;
 	else
 		pstream = (struct snd_pcm_substream *)substream;
diff --git a/sound/soc/intel/atom/sst/sst_acpi.c b/sound/soc/intel/atom/sst/sst_acpi.c
index ac542535b9d5..ae17ce4677a5 100644
--- a/sound/soc/intel/atom/sst/sst_acpi.c
+++ b/sound/soc/intel/atom/sst/sst_acpi.c
@@ -255,18 +255,16 @@ static int is_byt(void)
 	return status;
 }
 
-static int is_byt_cr(struct device *dev, bool *bytcr)
+static bool is_byt_cr(struct platform_device *pdev)
 {
+	struct device *dev = &pdev->dev;
 	int status = 0;
 
-	if (IS_ENABLED(CONFIG_IOSF_MBI)) {
-		u32 bios_status;
-
-		if (!is_byt() || !iosf_mbi_available()) {
-			/* bail silently */
-			return status;
-		}
+	if (!is_byt())
+		return false;
 
+	if (iosf_mbi_available()) {
+		u32 bios_status;
 		status = iosf_mbi_read(BT_MBI_UNIT_PMC, /* 0x04 PUNIT */
 				       MBI_REG_READ, /* 0x10 */
 				       0x006, /* BIOS_CONFIG */
@@ -278,15 +276,28 @@ static int is_byt_cr(struct device *dev, bool *bytcr)
 			/* bits 26:27 mirror PMIC options */
 			bios_status = (bios_status >> 26) & 3;
 
-			if ((bios_status == 1) || (bios_status == 3))
-				*bytcr = true;
-			else
-				dev_info(dev, "BYT-CR not detected\n");
+			if (bios_status == 1 || bios_status == 3) {
+				dev_info(dev, "Detected Baytrail-CR platform\n");
+				return true;
+			}
+
+			dev_info(dev, "BYT-CR not detected\n");
 		}
 	} else {
-		dev_info(dev, "IOSF_MBI not enabled, no BYT-CR detection\n");
+		dev_info(dev, "IOSF_MBI not available, no BYT-CR detection\n");
 	}
-	return status;
+
+	if (platform_get_resource(pdev, IORESOURCE_IRQ, 5) == NULL) {
+		/*
+		 * Some devices detected as BYT-T have only a single IRQ listed,
+		 * causing platform_get_irq with index 5 to return -ENXIO.
+		 * The correct IRQ in this case is at index 0, as on BYT-CR.
+		 */
+		dev_info(dev, "Falling back to Baytrail-CR platform\n");
+		return true;
+	}
+
+	return false;
 }
 
 
@@ -301,7 +312,6 @@ static int sst_acpi_probe(struct platform_device *pdev)
 	struct platform_device *plat_dev;
 	struct sst_platform_info *pdata;
 	unsigned int dev_id;
-	bool bytcr = false;
 
 	id = acpi_match_device(dev->driver->acpi_match_table, dev);
 	if (!id)
@@ -333,10 +343,7 @@ static int sst_acpi_probe(struct platform_device *pdev)
 	if (ret < 0)
 		return ret;
 
-	ret = is_byt_cr(dev, &bytcr);
-	if (!((ret < 0) || (bytcr == false))) {
-		dev_info(dev, "Detected Baytrail-CR platform\n");
-
+	if (is_byt_cr(pdev)) {
 		/* override resource info */
 		byt_rvp_platform_data.res_info = &bytcr_res_info;
 	}
diff --git a/sound/soc/intel/atom/sst/sst_drv_interface.c b/sound/soc/intel/atom/sst/sst_drv_interface.c
index 5455d6e0ab53..a592df06aa58 100644
--- a/sound/soc/intel/atom/sst/sst_drv_interface.c
+++ b/sound/soc/intel/atom/sst/sst_drv_interface.c
@@ -146,7 +146,7 @@ static int sst_power_control(struct device *dev, bool state)
 	int ret = 0;
 	int usage_count = 0;
 
-	if (state == true) {
+	if (state) {
 		ret = pm_runtime_get_sync(dev);
 		usage_count = GET_USAGE_COUNT(dev);
 		dev_dbg(ctx->dev, "Enable: pm usage count: %d\n", usage_count);
diff --git a/sound/soc/intel/atom/sst/sst_loader.c b/sound/soc/intel/atom/sst/sst_loader.c
index b8c456753f01..321c783cf833 100644
--- a/sound/soc/intel/atom/sst/sst_loader.c
+++ b/sound/soc/intel/atom/sst/sst_loader.c
@@ -269,7 +269,7 @@ static void sst_do_memcpy(struct list_head *memcpy_list)
 	struct sst_memcpy_list *listnode;
 
 	list_for_each_entry(listnode, memcpy_list, memcpylist) {
-		if (listnode->is_io == true)
+		if (listnode->is_io)
 			memcpy32_toio((void __iomem *)listnode->dstn,
 					listnode->src, listnode->size);
 		else