Merge branch 'clockevents/fixes' of git://git.linaro.org/people/daniel.lezcano/linux...

[linux-drm-fsl-dcu.git] / drivers / platform / x86 / hp-wmi.c

diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c
index 1c86fa0857c8eb73dfb64ec90ee9e7f7e50404c3..8ba8956b5a48f7f1fccc37df42cdaf4772892209 100644 (file)
--- a/drivers/platform/x86/hp-wmi.c
+++ b/drivers/platform/x86/hp-wmi.c
@@ -54,6 +54,7 @@ MODULE_ALIAS("wmi:5FB7F034-2C63-45e9-BE91-3D44E2C707E4");
 #define HPWMI_HARDWARE_QUERY 0x4
 #define HPWMI_WIRELESS_QUERY 0x5
 #define HPWMI_HOTKEY_QUERY 0xc
+#define HPWMI_FEATURE_QUERY 0xd
 #define HPWMI_WIRELESS2_QUERY 0x1b
 #define HPWMI_POSTCODEERROR_QUERY 0x2a
 
@@ -292,6 +293,17 @@ static int hp_wmi_tablet_state(void)
        return (state & 0x4) ? 1 : 0;
 }
 
+static int hp_wmi_bios_2009_later(void)
+{
+       int state = 0;
+       int ret = hp_wmi_perform_query(HPWMI_FEATURE_QUERY, 0, &state,
+                                      sizeof(state), sizeof(state));
+       if (ret)
+               return ret;
+
+       return (state & 0x10) ? 1 : 0;
+}
+
 static int hp_wmi_set_block(void *data, bool blocked)
 {
        enum hp_wmi_radio r = (enum hp_wmi_radio) data;
@@ -871,7 +883,7 @@ static int __init hp_wmi_bios_setup(struct platform_device *device)
        gps_rfkill = NULL;
        rfkill2_count = 0;
 
-       if (hp_wmi_rfkill_setup(device))
+       if (hp_wmi_bios_2009_later() || hp_wmi_rfkill_setup(device))
                hp_wmi_rfkill2_setup(device);
 
        err = device_create_file(&device->dev, &dev_attr_display);