Many laptops have the ability to be woken up from Suspend-to-Idle by touchpad. This is also the default behavior on other OSes.
So let's enable the wakeup support if the system defaults to use Suspend-to-Idle. Signed-off-by: Kai-Heng Feng <[email protected]> --- drivers/hid/i2c-hid/i2c-hid-core.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/hid/i2c-hid/i2c-hid-core.c b/drivers/hid/i2c-hid/i2c-hid-core.c index 294c84e136d7..cac82971a668 100644 --- a/drivers/hid/i2c-hid/i2c-hid-core.c +++ b/drivers/hid/i2c-hid/i2c-hid-core.c @@ -1072,6 +1072,11 @@ static int i2c_hid_probe(struct i2c_client *client, i2c_hid_acpi_fix_up_power(&client->dev); + if (acpi_gbl_FADT.flags & ACPI_FADT_LOW_POWER_S0) { + device_set_wakeup_capable(&client->dev, true); + device_wakeup_enable(&client->dev); + } + device_enable_async_suspend(&client->dev); /* Make sure there is something at this address */ -- 2.17.1
