diff options
Diffstat (limited to 'drivers/platform')
| -rw-r--r-- | drivers/platform/x86/toshiba_acpi.c | 55 |
1 files changed, 15 insertions, 40 deletions
diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c index 6b281c0..a924c7f 100644 --- a/drivers/platform/x86/toshiba_acpi.c +++ b/drivers/platform/x86/toshiba_acpi.c @@ -62,11 +62,7 @@ MODULE_DESCRIPTION("Toshiba Laptop ACPI Extras Driver"); MODULE_LICENSE("GPL"); /* Toshiba ACPI method paths */ -#define METHOD_LCD_BRIGHTNESS "\\_SB_.PCI0.VGA_.LCD_._BCM" -#define TOSH_INTERFACE_1 "\\_SB_.VALD" -#define TOSH_INTERFACE_2 "\\_SB_.VALZ" #define METHOD_VIDEO_OUT "\\_SB_.VALX.DSSX" -#define GHCI_METHOD ".GHCI" /* Toshiba HCI interface definitions * @@ -121,7 +117,6 @@ struct toshiba_acpi_dev { int force_fan; int last_key_event; int key_event_valid; - acpi_handle handle; struct mutex mutex; }; @@ -170,15 +165,6 @@ static __inline__ void _set_bit(u32 * word, u32 mask, int value) /* acpi interface wrappers */ -static int is_valid_acpi_path(const char *methodName) -{ - acpi_handle handle; - acpi_status status; - - status = acpi_get_handle(NULL, (char *)methodName, &handle); - return !ACPI_FAILURE(status); -} - static int write_acpi_int(const char *methodName, int val) { struct acpi_object_list params; @@ -217,7 +203,8 @@ static acpi_status hci_raw(struct toshiba_acpi_dev *dev, results.length = sizeof(out_objs); results.pointer = out_objs; - status = acpi_evaluate_object(NULL, (char *)dev->method_hci, ¶ms, + status = acpi_evaluate_object(dev->acpi_dev->handle, + (char *)dev->method_hci, ¶ms, &results); if ((status == AE_OK) && (out_objs->package.count <= HCI_WORDS)) { for (i = 0; i < out_objs->package.count; ++i) { @@ -836,18 +823,11 @@ static const struct backlight_ops toshiba_backlight_data = { .update_status = set_lcd_status, }; -static int __devinit toshiba_acpi_setup_keyboard(struct toshiba_acpi_dev *dev, - char *device_path) +static int __devinit toshiba_acpi_setup_keyboard(struct toshiba_acpi_dev *dev) { acpi_status status; int error; - status = acpi_get_handle(NULL, device_path, &dev->handle); - if (ACPI_FAILURE(status)) { - pr_info("Unable to get notification device\n"); - return -ENODEV; - } - dev->hotkey_dev = input_allocate_device(); if (!dev->hotkey_dev) { pr_info("Unable to register input device\n"); @@ -855,14 +835,14 @@ static int __devinit toshiba_acpi_setup_keyboard(struct toshiba_acpi_dev *dev, } dev->hotkey_dev->name = "Toshiba input device"; - dev->hotkey_dev->phys = device_path; + dev->hotkey_dev->phys = "toshiba_acpi/input0"; dev->hotkey_dev->id.bustype = BUS_HOST; error = sparse_keymap_setup(dev->hotkey_dev, toshiba_acpi_keymap, NULL); if (error) goto err_free_dev; - status = acpi_evaluate_object(dev->handle, "ENAB", NULL, NULL); + status = acpi_evaluate_object(dev->acpi_dev->handle, "ENAB", NULL, NULL); if (ACPI_FAILURE(status)) { pr_info("Unable to enable hotkeys\n"); error = -ENODEV; @@ -915,6 +895,8 @@ static int toshiba_acpi_remove(struct acpi_device *acpi_dev, int type) static int __devinit toshiba_acpi_add(struct acpi_device *acpi_dev) { struct toshiba_acpi_dev *dev; + acpi_status status; + acpi_handle handle; u32 hci_result; bool bt_present; int ret = 0; @@ -923,27 +905,20 @@ 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)) + return -ENODEV; + dev = kzalloc(sizeof(*dev), GFP_KERNEL); if (!dev) return -ENOMEM; dev->acpi_dev = acpi_dev; + dev->method_hci = "GHCI"; acpi_dev->driver_data = dev; - /* simple device detection: look for HCI method */ - if (is_valid_acpi_path(TOSH_INTERFACE_1 GHCI_METHOD)) { - dev->method_hci = TOSH_INTERFACE_1 GHCI_METHOD; - if (toshiba_acpi_setup_keyboard(dev, TOSH_INTERFACE_1)) - pr_info("Unable to activate hotkeys\n"); - } else if (is_valid_acpi_path(TOSH_INTERFACE_2 GHCI_METHOD)) { - dev->method_hci = TOSH_INTERFACE_2 GHCI_METHOD; - if (toshiba_acpi_setup_keyboard(dev, TOSH_INTERFACE_2)) - pr_info("Unable to activate hotkeys\n"); - } else { - ret = -ENODEV; - goto error; - } - - pr_info("HCI method: %s\n", dev->method_hci); + if (toshiba_acpi_setup_keyboard(dev)) + pr_info("Unable to activate hotkeys\n"); mutex_init(&dev->mutex); |
