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- diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c
- index cb96296..6c242ed 100644
- --- a/drivers/acpi/blacklist.c
- +++ b/drivers/acpi/blacklist.c
- @@ -269,6 +276,61 @@ static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
- },
-
- /*
- + * The following Lenovo models have a broken workaround in the
- + * acpi_video backlight implementation to meet the Windows 8
- + * requirement of 101 backlight levels. Reverting to pre-Win8
- + * behavior fixes the problem.
- + */
- + {
- + .callback = dmi_disable_osi_win8,
- + .ident = "Lenovo ThinkPad L430",
- + .matches = {
- + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
- + DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad L430"),
- + },
- + },
- + {
- + .callback = dmi_disable_osi_win8,
- + .ident = "Lenovo ThinkPad T430s",
- + .matches = {
- + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
- + DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T430s"),
- + },
- + },
- + {
- + .callback = dmi_disable_osi_win8,
- + .ident = "Lenovo ThinkPad T530",
- + .matches = {
- + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
- + DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T530"),
- + },
- + },
- + {
- + .callback = dmi_disable_osi_win8,
- + .ident = "Lenovo ThinkPad W530",
- + .matches = {
- + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
- + DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad W530"),
- + },
- + },
- + {
- + .callback = dmi_disable_osi_win8,
- + .ident = "Lenovo ThinkPad X1 Carbon",
- + .matches = {
- + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
- + DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X1 Carbon"),
- + },
- + },
- + {
- + .callback = dmi_disable_osi_win8,
- + .ident = "Lenovo ThinkPad X230",
- + .matches = {
- + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
- + DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X230"),
- + },
- + },
- +
- + /*
- * BIOS invocation of _OSI(Linux) is almost always a BIOS bug.
- * Linux ignores it, except for the machines enumerated below.
- */
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