1 files changed, 27 insertions, 0 deletions

diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c
index 018fc16c44ce..e88d4460afda 100644
--- a/drivers/acpi/blacklist.c
+++ b/drivers/acpi/blacklist.c
@@ -173,7 +173,34 @@ int __init acpi_blacklisted(void)
         return blacklisted;
 }
 #ifdef CONFIG_DMI
+static int __init dmi_enable_osi_linux(const struct dmi_system_id *d)
+{
+        acpi_dmi_osi_linux(1, d);       /* enable */
+        return 0;
+}
+
 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"),
+         */
+        {
+        .callback = dmi_enable_osi_linux,
+        .ident = "Lenovo ThinkPad R61",
+        .matches = {
+                     DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+                     DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad R61"),
+                },
+        },
+        {
+        .callback = dmi_enable_osi_linux,
+        .ident = "Lenovo ThinkPad T61",
+        .matches = {
+                     DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+                     DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T61"),
+                },
+        },
         {}
 };