diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index dd5c30257b8638f16967f4461dd8c9bc70e84dad..fcbda105616eb703b87e50ee88650cd4dde72d78 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -750,6 +750,17 @@ static struct dmi_system_id video_dmi_table[] __initdata = { DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T520"), }, }, + + /* The native backlight controls do not work on some older machines */ + { + /* https://bugs.freedesktop.org/show_bug.cgi?id=81515 */ + .callback = video_disable_native_backlight, + .ident = "HP ENVY 15 Notebook", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, "HP ENVY 15 Notebook PC"), + }, + }, {} };