The Toshiba Portege R700 needs disable_backlight_sysfs_if=1, just like the Toshiba Portege R830. Add a quirk for this. BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=21012 Cc: stable@xxxxxxxxxxxxxxx # 4.2.x Tested-by: Emma Reisz <emmareisz@xxxxxxxxxxx> Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx> --- drivers/acpi/acpi_video.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/acpi/acpi_video.c b/drivers/acpi/acpi_video.c index 80b13d4..d95aaa5 100644 --- a/drivers/acpi/acpi_video.c +++ b/drivers/acpi/acpi_video.c @@ -479,6 +479,15 @@ static struct dmi_system_id video_dmi_table[] = { * as brightness control does not work. */ { + /* https://bugzilla.kernel.org/show_bug.cgi?id=21012 */ + .callback = video_disable_backlight_sysfs_if, + .ident = "Toshiba Portege R700", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), + DMI_MATCH(DMI_PRODUCT_NAME, "PORTEGE R700"), + }, + }, + { /* https://bugs.freedesktop.org/show_bug.cgi?id=82634 */ .callback = video_disable_backlight_sysfs_if, .ident = "Toshiba Portege R830", -- 2.5.0 -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html