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authorShawn Nematbakhsh <shawnn@chromium.org>2017-01-13 18:04:32 +0300
committerLee Jones <lee.jones@linaro.org>2017-02-13 12:29:43 +0300
commit9c576bd35ef4086f25c04ec662019c33494ee2fb (patch)
treea2833285bcf62364ea7b3dc9e159f906dbe98403 /drivers/mfd/cros_ec.c
parent644b2ee06d9af0846caa70d13056d50917b98c67 (diff)
downloadlinux-9c576bd35ef4086f25c04ec662019c33494ee2fb.tar.xz
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>
Diffstat (limited to 'drivers/mfd/cros_ec.c')
-rw-r--r--drivers/mfd/cros_ec.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/mfd/cros_ec.c b/drivers/mfd/cros_ec.c
index b8a50808bedb..9b66a98ba4bf 100644
--- a/drivers/mfd/cros_ec.c
+++ b/drivers/mfd/cros_ec.c
@@ -190,8 +190,9 @@ int cros_ec_suspend(struct cros_ec_device *ec_dev)
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 @@ int cros_ec_resume(struct cros_ec_device *ec_dev)
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)