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asus-wmi: add calls to INIT, SPEC and SFUN on init 

INIT() call is needed to enable hotkeys on G73
SPEC() and SFUN() allow us to know more about
available features.

Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
This commit is contained in:
Corentin Chary 2011-02-26 10:20:38 +01:00 committed by Matthew Garrett
parent 8fbea019a1
commit 46dbca871d
1 changed files with 28 additions and 0 deletions
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28
drivers/platform/x86/asus-wmi.c
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@ -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.