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