acpi: Remove _OSI(Linux) for ThinkPads

AFAICT the only reason to set _OSI(Linux) on ThinkPads is to get
sensible mute button behavior.  Now that the thinkpad_acpi driver
can do this on is own, there is no reason to keep the ACPI
quirk.

Cc: Len Brown <len.brown@intel.com>
Cc: Jerone Young <jerone.young@canonical.com>
Signed-off-by: Andy Lutomirski <luto@amacapital.net>
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>

1 files changed, 0 insertions, 54 deletions

diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c
index 7556e7c4a055..9b693d54c743 100644
--- a/drivers/acpi/blacklist.c
+++ b/drivers/acpi/blacklist.c
@@ -305,60 +305,6 @@ static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
          */
 
         /*
-         * Lenovo has a mix of systems OSI(Linux) situations
-         * and thus we can not wildcard the vendor.
-         *
-         * _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:
-         * DMI_MATCH(DMI_PRODUCT_VERSION, "3000 N100"),
-         * DMI_MATCH(DMI_PRODUCT_VERSION, "LENOVO3000 V100"),
-         */
-        {
-        .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"),
-                },
-        },
-        {
-        .callback = dmi_enable_osi_linux,
-        .ident = "Lenovo ThinkPad X61",
-        .matches = {
-                     DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-                     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"),
-                },
-        },
-        /*
          * Without this this EEEpc exports a non working WMI interface, with
          * this it exports a working "good old" eeepc_laptop interface, fixing
          * both brightness control, and rfkill not working.