Merge tag 'platform-drivers-x86-v4.2-1' of git://git.infradead.org/users/dvhart/linux...
[firefly-linux-kernel-4.4.55.git] / drivers / platform / x86 / dell-laptop.c
index 83e3d7f9d923c34c71c5baa63adbf6af55d79900..35de903cb506b3bdf74dd0a3b265f944722b534d 100644 (file)
@@ -31,6 +31,7 @@
 #include <linux/slab.h>
 #include <linux/debugfs.h>
 #include <linux/seq_file.h>
+#include <acpi/video.h>
 #include "../../firmware/dcdbas.h"
 #include "dell-rbtn.h"
 
@@ -1995,13 +1996,8 @@ static int __init dell_init(void)
                debugfs_create_file("rfkill", 0444, dell_laptop_dir, NULL,
                                    &dell_debugfs_fops);
 
-#ifdef CONFIG_ACPI
-       /* In the event of an ACPI backlight being available, don't
-        * register the platform controller.
-        */
-       if (acpi_video_backlight_support())
+       if (acpi_video_get_backlight_type() != acpi_backlight_vendor)
                return 0;
-#endif
 
        get_buffer();
        buffer->input[0] = find_token_location(BRIGHTNESS_TOKEN);