mfd: cros_ec: Send correct suspend/resume event to EC
pm_suspend_via_firmware() will return false for platforms with ACPI
disabled and ACPI is a prerequisite for S0ix support.
With this patch, sleep state event sent to EC is forced to S3 if ACPI is
disabled.
Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org>
Signed-off-by: Thierry Escande <thierry.escande@collabora.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
diff --git a/drivers/mfd/cros_ec.c b/drivers/mfd/cros_ec.c
index b8a5080..9b66a98 100644
--- a/drivers/mfd/cros_ec.c
+++ b/drivers/mfd/cros_ec.c
@@ -190,8 +190,9 @@
int ret;
u8 sleep_event;
- sleep_event = pm_suspend_via_firmware() ? HOST_SLEEP_EVENT_S3_RESUME :
- HOST_SLEEP_EVENT_S0IX_RESUME;
+ sleep_event = (!IS_ENABLED(CONFIG_ACPI) || pm_suspend_via_firmware()) ?
+ HOST_SLEEP_EVENT_S3_RESUME :
+ HOST_SLEEP_EVENT_S0IX_RESUME;
ret = cros_ec_sleep_event(ec_dev, sleep_event);
if (ret < 0)
@@ -224,8 +225,9 @@
ec_dev->suspended = false;
enable_irq(ec_dev->irq);
- sleep_event = pm_suspend_via_firmware() ? HOST_SLEEP_EVENT_S3_RESUME :
- HOST_SLEEP_EVENT_S0IX_RESUME;
+ sleep_event = (!IS_ENABLED(CONFIG_ACPI) || pm_suspend_via_firmware()) ?
+ HOST_SLEEP_EVENT_S3_RESUME :
+ HOST_SLEEP_EVENT_S0IX_RESUME;
ret = cros_ec_sleep_event(ec_dev, sleep_event);
if (ret < 0)