diff options
| -rw-r--r-- | drivers/platform/x86/asus-wmi.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c index 3c6ccedc82b6..70aec19f50f3 100644 --- a/drivers/platform/x86/asus-wmi.c +++ b/drivers/platform/x86/asus-wmi.c @@ -46,6 +46,7 @@ #include <linux/platform_device.h> #include <linux/thermal.h> #include <linux/acpi.h> +#include <linux/dmi.h> #include <acpi/video.h> #include "asus-wmi.h" @@ -1734,6 +1735,7 @@ static int asus_wmi_add(struct platform_device *pdev) struct platform_driver *pdrv = to_platform_driver(pdev->dev.driver); struct asus_wmi_driver *wdrv = to_asus_wmi_driver(pdrv); struct asus_wmi *asus; + const char *chassis_type; acpi_status status; int err; u32 result; @@ -1770,6 +1772,11 @@ static int asus_wmi_add(struct platform_device *pdev) if (err) goto fail_rfkill; + /* Some Asus desktop boards export an acpi-video backlight interface, + stop this from showing up */ + chassis_type = dmi_get_system_info(DMI_CHASSIS_TYPE); + if (chassis_type && !strcmp(chassis_type, "3")) + acpi_video_dmi_promote_vendor(); if (asus->driver->quirks->wmi_backlight_power) acpi_video_dmi_promote_vendor(); if (!acpi_video_backlight_support()) { |