diff options
| -rw-r--r-- | drivers/platform/x86/acer-wmi.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c index 2baaf3d5958e..704542c1fdc2 100644 --- a/drivers/platform/x86/acer-wmi.c +++ b/drivers/platform/x86/acer-wmi.c @@ -210,6 +210,7 @@ struct hotkey_function_type_aa { #define ACER_CAP_BLUETOOTH BIT(2) #define ACER_CAP_BRIGHTNESS BIT(3) #define ACER_CAP_THREEG BIT(4) +#define ACER_CAP_SET_FUNCTION_MODE BIT(5) /* * Interface type flags @@ -2195,10 +2196,14 @@ static int __init acer_wmi_init(void) if (acpi_video_get_backlight_type() != acpi_backlight_vendor) interface->capability &= ~ACER_CAP_BRIGHTNESS; + if (wmi_has_guid(WMID_GUID3)) + interface->capability |= ACER_CAP_SET_FUNCTION_MODE; + if (force_caps != -1) interface->capability = force_caps; - if (wmi_has_guid(WMID_GUID3)) { + if (wmi_has_guid(WMID_GUID3) && + (interface->capability & ACER_CAP_SET_FUNCTION_MODE)) { if (ACPI_FAILURE(acer_wmi_enable_rf_button())) pr_warn("Cannot enable RF Button Driver\n"); |