diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/platform/x86/asus-wmi.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c index adf7b05c9aef..88596ea0f74e 100644 --- a/drivers/platform/x86/asus-wmi.c +++ b/drivers/platform/x86/asus-wmi.c @@ -66,10 +66,13 @@ MODULE_LICENSE("GPL"); #define NOTIFY_BRNDOWN_MAX 0x2e /* WMI Methods */ +#define ASUS_WMI_METHODID_SPEC 0x43455053 +#define ASUS_WMI_METHODID_SFUN 0x4E554653 #define ASUS_WMI_METHODID_DSTS 0x53544344 #define ASUS_WMI_METHODID_DSTS2 0x53545344 #define ASUS_WMI_METHODID_DEVS 0x53564544 #define ASUS_WMI_METHODID_CFVS 0x53564643 +#define ASUS_WMI_METHODID_INIT 0x54494E49 #define ASUS_WMI_UNSUPPORTED_METHOD 0xFFFFFFFE @@ -126,6 +129,8 @@ struct asus_rfkill { struct asus_wmi { int dsts_id; + int spec; + int sfun; struct input_dev *inputdev; struct backlight_device *backlight_device; @@ -1065,6 +1070,29 @@ static int asus_wmi_sysfs_init(struct platform_device *device) */ static int __init asus_wmi_platform_init(struct asus_wmi *asus) { + int rv; + + /* INIT enable hotkeys on some models */ + if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_INIT, 0, 0, &rv)) + pr_info("Initialization: %#x", rv); + + /* We don't know yet what to do with this version... */ + if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_SPEC, 0, 0x9, &rv)) { + pr_info("BIOS WMI version: %d.%d", rv >> 8, rv & 0xFF); + asus->spec = rv; + } + + /* + * The SFUN method probably allows the original driver to get the list + * of features supported by a given model. For now, 0x0100 or 0x0800 + * bit signifies that the laptop is equipped with a Wi-Fi MiniPCI card. + * The significance of others is yet to be found. + */ + if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_SFUN, 0, 0, &rv)) { + pr_info("SFUN value: %#x", rv); + asus->sfun = rv; + } + /* * Eee PC and Notebooks seems to have different method_id for DSTS, * but it may also be related to the BIOS's SPEC. |