ASoC: Intel: Skylake: Fix skl machine driver creation
authorVinod Koul <vinod.koul@intel.com>
Thu, 5 Nov 2015 16:04:13 +0000 (21:34 +0530)
committerMark Brown <broonie@kernel.org>
Mon, 16 Nov 2015 10:08:09 +0000 (10:08 +0000)
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
sound/soc/intel/skylake/skl.h

index 9b94a8c..59336cb 100644 (file)
@@ -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 @@ out_dmic_free:
        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);
index f803ebb..9b1beed 100644 (file)
@@ -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 */