3 files changed, 28 insertions, 2 deletions

diff --git a/drivers/acpi/acpica/acpredef.h b/drivers/acpi/acpica/acpredef.h
index cd80d1dd1950..57bdaf6ffab1 100644
--- a/drivers/acpi/acpica/acpredef.h
+++ b/drivers/acpi/acpica/acpredef.h
@@ -203,8 +203,9 @@ static const union acpi_predefined_info predefined_names[] =
         {{"_BCT", 1, ACPI_RTYPE_INTEGER}},
         {{"_BDN", 0, ACPI_RTYPE_INTEGER}},
         {{"_BFS", 1, 0}},
-        {{"_BIF", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (9 Int),(4 Str) */
-                          {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 9, ACPI_RTYPE_STRING}, 4,0}},
+        {{"_BIF", 0, ACPI_RTYPE_PACKAGE} }, /* Fixed-length (9 Int),(4 Str/Buf) */
+                          {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 9,
+                             ACPI_RTYPE_STRING | ACPI_RTYPE_BUFFER}, 4, 0} },
 
         {{"_BIX", 0, ACPI_RTYPE_PACKAGE}},      /* Fixed-length (16 Int),(4 Str) */
         {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 16, ACPI_RTYPE_STRING}, 4,
diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c
index e56b2a7b53db..23e5a0519af5 100644
--- a/drivers/acpi/blacklist.c
+++ b/drivers/acpi/blacklist.c
@@ -224,6 +224,7 @@ static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
          * _OSI(Linux) helps sound
          * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad R61"),
          * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T61"),
+         * T400, T500
          * _OSI(Linux) has Linux specific hooks
          * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X61"),
          * _OSI(Linux) is a NOP:
@@ -254,6 +255,22 @@ static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
                      DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X61"),
                 },
         },
+        {
+        .callback = dmi_enable_osi_linux,
+        .ident = "Lenovo ThinkPad T400",
+        .matches = {
+                     DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+                     DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T400"),
+                },
+        },
+        {
+        .callback = dmi_enable_osi_linux,
+        .ident = "Lenovo ThinkPad T500",
+        .matches = {
+                     DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+                     DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T500"),
+                },
+        },
         {}
 };
 
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 4cc1b8116e76..5f2c379ab7bf 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -430,6 +430,14 @@ static struct dmi_system_id __initdata acpisleep_dmi_table[] = {
         },
         {
         .callback = init_set_sci_en_on_resume,
+        .ident = "Hewlett-Packard Compaq Presario C700 Notebook PC",
+        .matches = {
+                DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+                DMI_MATCH(DMI_PRODUCT_NAME, "Compaq Presario C700 Notebook PC"),
+                },
+        },
+        {
+        .callback = init_set_sci_en_on_resume,
         .ident = "Hewlett-Packard Compaq Presario CQ40 Notebook PC",
         .matches = {
                 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),