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-rw-r--r--sys/compat/linuxkpi/common/src/linux_acpi.c33
1 files changed, 23 insertions, 10 deletions
diff --git a/sys/compat/linuxkpi/common/src/linux_acpi.c b/sys/compat/linuxkpi/common/src/linux_acpi.c
index 43783bb8727b..c7d62c745c7e 100644
--- a/sys/compat/linuxkpi/common/src/linux_acpi.c
+++ b/sys/compat/linuxkpi/common/src/linux_acpi.c
@@ -33,6 +33,7 @@
#include <sys/bus.h>
#include <sys/eventhandler.h>
#include <sys/kernel.h>
+#include <sys/power.h>
#include <contrib/dev/acpica/include/acpi.h>
#include <dev/acpica/acpivar.h>
@@ -118,20 +119,32 @@ acpi_evaluate_dsm(ACPI_HANDLE ObjHandle, const guid_t *guid,
}
static void
-linux_handle_power_suspend_event(void *arg __unused)
+linux_handle_power_suspend_event(void *arg __unused, enum power_stype stype)
{
- /*
- * Only support S3 for now.
- * acpi_sleep_event isn't always called so we use power_suspend_early
- * instead which means we don't know what state we're switching to.
- * TODO: Make acpi_sleep_event consistent
- */
- linux_acpi_target_sleep_state = ACPI_STATE_S3;
- pm_suspend_target_state = PM_SUSPEND_MEM;
+ switch (stype) {
+ case POWER_STYPE_SUSPEND_TO_IDLE:
+ /*
+ * XXX: obiwac Not 100% sure this is correct, but
+ * acpi_target_sleep_state does seem to be set to
+ * ACPI_STATE_S3 during s2idle on Linux.
+ */
+ linux_acpi_target_sleep_state = ACPI_STATE_S3;
+ pm_suspend_target_state = PM_SUSPEND_TO_IDLE;
+ break;
+ case POWER_STYPE_SUSPEND_TO_MEM:
+ linux_acpi_target_sleep_state = ACPI_STATE_S3;
+ pm_suspend_target_state = PM_SUSPEND_MEM;
+ break;
+ default:
+ printf("%s: sleep type %d not yet supported\n",
+ __func__, stype);
+ break;
+ }
}
static void
-linux_handle_power_resume_event(void *arg __unused)
+linux_handle_power_resume_event(void *arg __unused,
+ enum power_stype stype __unused)
{
linux_acpi_target_sleep_state = ACPI_STATE_S0;
pm_suspend_target_state = PM_SUSPEND_ON;