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path: root/drivers/platform/x86/thinkpad_acpi.c
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Diffstat (limited to 'drivers/platform/x86/thinkpad_acpi.c')
-rw-r--r--drivers/platform/x86/thinkpad_acpi.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 32c10457399e..6fe82f805ea8 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -4479,6 +4479,14 @@ static const struct dmi_system_id fwbug_list[] __initconst = {
}
},
{
+ .ident = "T14s Gen1 AMD",
+ .driver_data = &quirk_s2idle_bug,
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "20UJ"),
+ }
+ },
+ {
.ident = "P14s Gen1 AMD",
.driver_data = &quirk_s2idle_bug,
.matches = {
@@ -11691,6 +11699,7 @@ static int __init thinkpad_acpi_module_init(void)
{
const struct dmi_system_id *dmi_id;
int ret, i;
+ acpi_object_type obj_type;
tpacpi_lifecycle = TPACPI_LIFE_INIT;
@@ -11716,6 +11725,21 @@ static int __init thinkpad_acpi_module_init(void)
TPACPI_ACPIHANDLE_INIT(ecrd);
TPACPI_ACPIHANDLE_INIT(ecwr);
+ /*
+ * Quirk: in some models (e.g. X380 Yoga), an object named ECRD
+ * exists, but it is a register, not a method.
+ */
+ if (ecrd_handle) {
+ acpi_get_type(ecrd_handle, &obj_type);
+ if (obj_type != ACPI_TYPE_METHOD)
+ ecrd_handle = NULL;
+ }
+ if (ecwr_handle) {
+ acpi_get_type(ecwr_handle, &obj_type);
+ if (obj_type != ACPI_TYPE_METHOD)
+ ecwr_handle = NULL;
+ }
+
tpacpi_wq = create_singlethread_workqueue(TPACPI_WORKQUEUE_NAME);
if (!tpacpi_wq) {
thinkpad_acpi_module_exit();