ACPI: EC: Fix MSI DMI detection

MSI strings should be ORed, not ANDed.

Reference: http://bugzilla.kernel.org/show_bug.cgi?id=14446

cc: stable@kernel.org
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 8 insertions, 2 deletions

diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index baef28c1e630..7511029a1e0b 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -916,6 +916,7 @@ static int ec_validate_ecdt(const struct dmi_system_id *id)
 /* MSI EC needs special treatment, enable it */
 static int ec_flag_msi(const struct dmi_system_id *id)
 {
+        printk(KERN_DEBUG PREFIX "Detected MSI hardware, enabling workarounds.\n");
         EC_FLAGS_MSI = 1;
         EC_FLAGS_VALIDATE_ECDT = 1;
         return 0;
@@ -928,8 +929,13 @@ static struct dmi_system_id __initdata ec_dmi_table[] = {
         DMI_MATCH(DMI_BOARD_NAME, "JFL92") }, NULL},
         {
         ec_flag_msi, "MSI hardware", {
-        DMI_MATCH(DMI_BIOS_VENDOR, "Micro-Star"),
-        DMI_MATCH(DMI_CHASSIS_VENDOR, "MICRO-Star") }, NULL},
+        DMI_MATCH(DMI_BIOS_VENDOR, "Micro-Star")}, NULL},
+        {
+        ec_flag_msi, "MSI hardware", {
+        DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star")}, NULL},
+        {
+        ec_flag_msi, "MSI hardware", {
+        DMI_MATCH(DMI_CHASSIS_VENDOR, "MICRO-Star")}, NULL},
         {
         ec_validate_ecdt, "ASUS hardware", {
         DMI_MATCH(DMI_BIOS_VENDOR, "ASUS") }, NULL},