These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / drivers / platform / x86 / msi-wmi.c

diff --git a/kernel/drivers/platform/x86/msi-wmi.c b/kernel/drivers/platform/x86/msi-wmi.c
index 6d2bac0..978e6d6 100644 (file)
--- a/kernel/drivers/platform/x86/msi-wmi.c
+++ b/kernel/drivers/platform/x86/msi-wmi.c
@@ -29,6 +29,7 @@
 #include <linux/backlight.h>
 #include <linux/slab.h>
 #include <linux/module.h>
+#include <acpi/video.h>
 
 MODULE_AUTHOR("Thomas Renninger <trenn@suse.de>");
 MODULE_DESCRIPTION("MSI laptop WMI hotkeys driver");
@@ -320,7 +321,8 @@ static int __init msi_wmi_init(void)
                break;
        }
 
-       if (wmi_has_guid(MSIWMI_BIOS_GUID) && !acpi_video_backlight_support()) {
+       if (wmi_has_guid(MSIWMI_BIOS_GUID) &&
+           acpi_video_get_backlight_type() == acpi_backlight_vendor) {
                err = msi_wmi_backlight_setup();
                if (err) {
                        pr_err("Unable to setup backlight device\n");