ASoC: Intel: Skylake: Fix skl machine driver creation

Now that we have common match code in place, update the SKL
driver to use the common match routines for driver entry creation
for UEFI BIOS systems
Signed-off-by: Jeeja KP <jeeja.kp@intel.com>
Signed-off-by: Omair M Abdullah <omair.m.abdullah@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/intel/skylake/skl.c

@@ -26,6 +26,7 @@
 #include <linux/pm_runtime.h>
 #include <linux/platform_device.h>
 #include <sound/pcm.h>
+#include "../common/sst-acpi.h"
 #include "skl.h"
 
 /*
@@ -251,6 +252,42 @@ static int skl_free(struct hdac_ext_bus *ebus)
 	return 0;
 }
 
+static int skl_machine_device_register(struct skl *skl, void *driver_data)
+{
+	struct hdac_bus *bus = ebus_to_hbus(&skl->ebus);
+	struct platform_device *pdev;
+	struct sst_acpi_mach *mach = driver_data;
+	int ret;
+
+	mach = sst_acpi_find_machine(mach);
+	if (mach == NULL) {
+		dev_err(bus->dev, "No matching machine driver found\n");
+		return -ENODEV;
+	}
+
+	pdev = platform_device_alloc(mach->drv_name, -1);
+	if (pdev == NULL) {
+		dev_err(bus->dev, "platform device alloc failed\n");
+		return -EIO;
+	}
+
+	ret = platform_device_add(pdev);
+	if (ret) {
+		dev_err(bus->dev, "failed to add machine device\n");
+		platform_device_put(pdev);
+		return -EIO;
+	}
+	skl->i2s_dev = pdev;
+
+	return 0;
+}
+
+static void skl_machine_device_unregister(struct skl *skl)
+{
+	if (skl->i2s_dev)
+		platform_device_unregister(skl->i2s_dev);
+}
+
 static int skl_dmic_device_register(struct skl *skl)
 {
 	struct hdac_bus *bus = ebus_to_hbus(&skl->ebus);
@@ -479,10 +516,15 @@ static int skl_probe(struct pci_dev *pci,
 
 	/* check if dsp is there */
 	if (ebus->ppcap) {
+		err = skl_machine_device_register(skl,
+				  (void *)pci_id->driver_data);
+		if (err < 0)
+			goto out_free;
+
 		err = skl_init_dsp(skl);
 		if (err < 0) {
 			dev_dbg(bus->dev, "error failed to register dsp\n");
-			goto out_free;
+			goto out_mach_free;
 		}
 	}
 	if (ebus->mlcap)
@@ -517,6 +559,8 @@ static int skl_probe(struct pci_dev *pci,
 	skl_dmic_device_unregister(skl);
 out_dsp_free:
 	skl_free_dsp(skl);
+out_mach_free:
+	skl_machine_device_unregister(skl);
 out_free:
 	skl->init_failed = 1;
 	skl_free(ebus);
@@ -534,15 +578,22 @@ static void skl_remove(struct pci_dev *pci)
 	pci_dev_put(pci);
 	skl_platform_unregister(&pci->dev);
 	skl_free_dsp(skl);
+	skl_machine_device_unregister(skl);
 	skl_dmic_device_unregister(skl);
 	skl_free(ebus);
 	dev_set_drvdata(&pci->dev, NULL);
 }
 
+static struct sst_acpi_mach sst_skl_devdata[] = {
+	{ "INT343A", "skl_alc286s_i2s", "intel/dsp_fw_release.bin", NULL, NULL, NULL },
+	{}
+};
+
 /* PCI IDs */
 static const struct pci_device_id skl_ids[] = {
 	/* Sunrise Point-LP */
-	{ PCI_DEVICE(0x8086, 0x9d70), 0},
+	{ PCI_DEVICE(0x8086, 0x9d70),
+		.driver_data = (unsigned long)&sst_skl_devdata},
 	{ 0, }
 };
 MODULE_DEVICE_TABLE(pci, skl_ids);

sound/soc/intel/skylake/skl.h

@@ -61,6 +61,7 @@ struct skl {
 
 	unsigned int init_failed:1; /* delayed init failed */
 	struct platform_device *dmic_dev;
+	struct platform_device *i2s_dev;
 
 	void *nhlt; /* nhlt ptr */
 	struct skl_sst *skl_sst; /* sst skl ctx */