ACPI / EC: Use ec_no_wakeup on ThinkPad X1 Yoga 3rd
authorAaron Ma <aaron.ma@canonical.com>
Tue, 31 Jul 2018 10:52:39 +0000 (18:52 +0800)
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>
Mon, 6 Aug 2018 08:14:47 +0000 (10:14 +0200)
Like on X1C6, on X1Y3 EC interrupts constantly wake up system from
s2idle, the power consumption is extremely high.
So make ec_no_wakeup be true as default to keep system in s2idle mode
and reduce power consumption.

Power button works when ec_no_wakeup=true.

Signed-off-by: Aaron Ma <aaron.ma@canonical.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
drivers/acpi/ec.c

index 917f77f4cb556b9f4a1061c9b10dea72f8a9d81f..6291d5c772679f9733e547e9039839022dbc782a 100644 (file)
@@ -2045,6 +2045,13 @@ static const struct dmi_system_id acpi_ec_no_wakeup[] = {
                        DMI_MATCH(DMI_PRODUCT_FAMILY, "Thinkpad X1 Carbon 6th"),
                },
        },
+       {
+               .ident = "ThinkPad X1 Yoga 3rd",
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+                       DMI_MATCH(DMI_PRODUCT_FAMILY, "ThinkPad X1 Yoga 3rd"),
+               },
+       },
        { },
 };