platform/x86: asus-wmi: try to set als by default
some laptops, for example ASUS UX330UAK, have brocken als_get function but working als_set funktion. In this case, ALS will stay turned off. Method (WMNB, 3, Serialized) { ... If (Local0 == 0x53545344) { ... If (IIA0 == 0x00050001) { If (!ALSP) { Return (0x02) } Local0 = (GALS & 0x10) <<<---- bug, should be: (GALS () & 0x10) If (Local0) { Return (0x00050001) } Else { Return (0x00050000) } } ..... If (Local0 == 0x53564544) { ... If (IIA0 == 0x00050001) { Return (ALSC (IIA1)) } ...... Method (GALS, 0, NotSerialized) { Local0 = Zero Local0 |= 0x20 If (ALAE) { Local0 |= 0x10 } Local1 = 0x0A Local1 <<= 0x08 Local0 |= Local1 Return (Local0) } Since it works without problems on Windows I assume ASUS WMI driver for Win never trying to get ALS state, and instead it is setting it by default to ON. This patch will do the same. Turn ALS on by default. Signed-off-by: Oleksij Rempel <linux@rempel-privat.de> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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@ -111,6 +111,10 @@ static struct quirk_entry quirk_asus_x550lb = {
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.xusb2pr = 0x01D9,
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};
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static struct quirk_entry quirk_asus_ux330uak = {
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.wmi_force_als_set = true,
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};
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static int dmi_matched(const struct dmi_system_id *dmi)
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{
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pr_info("Identified laptop model '%s'\n", dmi->ident);
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@ -376,6 +380,15 @@ static const struct dmi_system_id asus_quirks[] = {
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},
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.driver_data = &quirk_asus_ux303ub,
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},
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{
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.callback = dmi_matched,
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.ident = "ASUSTeK COMPUTER INC. UX330UAK",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
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DMI_MATCH(DMI_PRODUCT_NAME, "UX330UAK"),
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},
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.driver_data = &quirk_asus_ux330uak,
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},
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{
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.callback = dmi_matched,
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.ident = "ASUSTeK COMPUTER INC. X550LB",
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@ -1104,6 +1104,15 @@ static void asus_wmi_set_xusb2pr(struct asus_wmi *asus)
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orig_ports_available, ports_available);
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}
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/*
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* Some devices dont support or have borcken get_als method
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* but still support set method.
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*/
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static void asus_wmi_set_als(void)
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{
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asus_wmi_set_devstate(ASUS_WMI_DEVID_ALS_ENABLE, 1, NULL);
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}
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/*
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* Hwmon device
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*/
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@ -2113,6 +2122,9 @@ static int asus_wmi_add(struct platform_device *pdev)
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goto fail_rfkill;
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}
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if (asus->driver->quirks->wmi_force_als_set)
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asus_wmi_set_als();
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/* Some Asus desktop boards export an acpi-video backlight interface,
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stop this from showing up */
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chassis_type = dmi_get_system_info(DMI_CHASSIS_TYPE);
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@ -44,6 +44,7 @@ struct quirk_entry {
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bool store_backlight_power;
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bool wmi_backlight_power;
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bool wmi_backlight_native;
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bool wmi_force_als_set;
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int wapf;
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/*
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* For machines with AMD graphic chips, it will send out WMI event
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