Merge branches 'x86-build-for-linus', 'x86-cleanups-for-linus' and 'x86-debug-for...

[cascardo/linux.git] / drivers / acpi / video.c

diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 071c1df..350d52a 100644 (file)
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -68,7 +68,7 @@ MODULE_AUTHOR("Bruno Ducrot");
 MODULE_DESCRIPTION("ACPI Video Driver");
 MODULE_LICENSE("GPL");
 
-static bool brightness_switch_enabled;
+static bool brightness_switch_enabled = 1;
 module_param(brightness_switch_enabled, bool, 0644);
 
 /*
@@ -581,6 +581,14 @@ static struct dmi_system_id video_dmi_table[] __initdata = {
        },
        {
        .callback = video_set_use_native_backlight,
+       .ident = "HP ProBook 4540s",
+       .matches = {
+               DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+               DMI_MATCH(DMI_PRODUCT_VERSION, "HP ProBook 4540s"),
+               },
+       },
+       {
+       .callback = video_set_use_native_backlight,
        .ident = "HP ProBook 2013 models",
        .matches = {
                DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),