diff options
Diffstat (limited to 'drivers/acpi/ec.c')
| -rw-r--r-- | drivers/acpi/ec.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 30a5729565575..70a0f8b2f6c13 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -2031,6 +2031,17 @@ static inline void acpi_ec_query_exit(void) } } +static const struct dmi_system_id acpi_ec_no_wakeup[] = { + { + .ident = "Thinkpad X1 Carbon 6th", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_FAMILY, "Thinkpad X1 Carbon 6th"), + }, + }, + { }, +}; + int __init acpi_ec_init(void) { int result; @@ -2041,6 +2052,15 @@ int __init acpi_ec_init(void) if (result) return result; + /* + * Disable EC wakeup on following systems to prevent periodic + * wakeup from EC GPE. + */ + if (dmi_check_system(acpi_ec_no_wakeup)) { + ec_no_wakeup = true; + pr_debug("Disabling EC wakeup on suspend-to-idle\n"); + } + /* Drivers must be started after acpi_ec_query_init() */ dsdt_fail = acpi_bus_register_driver(&acpi_ec_driver); /* |