diff options
Diffstat (limited to 'drivers/platform')
| -rw-r--r-- | drivers/platform/x86/toshiba_acpi.c | 28 |
1 files changed, 22 insertions, 6 deletions
diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c index a924c7f7722..cc629e621e4 100644 --- a/drivers/platform/x86/toshiba_acpi.c +++ b/drivers/platform/x86/toshiba_acpi.c @@ -892,11 +892,26 @@ static int toshiba_acpi_remove(struct acpi_device *acpi_dev, int type) return 0; } +static const char * __devinit find_hci_method(acpi_handle handle) +{ + acpi_status status; + acpi_handle hci_handle; + + status = acpi_get_handle(handle, "GHCI", &hci_handle); + if (ACPI_SUCCESS(status)) + return "GHCI"; + + status = acpi_get_handle(handle, "SPFC", &hci_handle); + if (ACPI_SUCCESS(status)) + return "SPFC"; + + return NULL; +} + static int __devinit toshiba_acpi_add(struct acpi_device *acpi_dev) { struct toshiba_acpi_dev *dev; - acpi_status status; - acpi_handle handle; + const char *hci_method; u32 hci_result; bool bt_present; int ret = 0; @@ -905,16 +920,17 @@ static int __devinit toshiba_acpi_add(struct acpi_device *acpi_dev) pr_info("Toshiba Laptop ACPI Extras version %s\n", TOSHIBA_ACPI_VERSION); - /* simple device detection: look for HCI method */ - status = acpi_get_handle(acpi_dev->handle, "GHCI", &handle); - if (ACPI_FAILURE(status)) + hci_method = find_hci_method(acpi_dev->handle); + if (!hci_method) { + pr_err("HCI interface not found\n"); return -ENODEV; + } dev = kzalloc(sizeof(*dev), GFP_KERNEL); if (!dev) return -ENOMEM; dev->acpi_dev = acpi_dev; - dev->method_hci = "GHCI"; + dev->method_hci = hci_method; acpi_dev->driver_data = dev; if (toshiba_acpi_setup_keyboard(dev)) |