Is there any objection to adding extra PM_EVENT_* codes? Although they
won't ever be issued by the PM core, they will come in handy for
internal uses in power-aware subsystems (like USB).
Alan Stern
Index: usb-2.6/include/linux/pm.h
===================================================================
--- usb-2.6.orig/include/linux/pm.h
+++ usb-2.6/include/linux/pm.h
@@ -164,21 +164,40 @@ typedef struct pm_message {
* well as during system sleep states like PM_SUSPEND_STANDBY. They may
* be able to use wakeup events to exit from runtime low-power states,
* or from system low-power states such as standby or suspend-to-RAM.
+ *
+ * The PM core will never issue the PMSG_ codes for USER_SUSPEND,
+ * USER_RESUME, REMOTE_WAKEUP, AUTOSUSPEND, or AUTORESUME. They are
+ * provided for internal use by power-aware subsystems.
*/
-#define PM_EVENT_ON 0
-#define PM_EVENT_FREEZE 1
-#define PM_EVENT_SUSPEND 2
-#define PM_EVENT_HIBERNATE 4
-#define PM_EVENT_PRETHAW 8
+#define PM_EVENT_ON 0x0000
+#define PM_EVENT_FREEZE 0x0001
+#define PM_EVENT_SUSPEND 0x0002
+#define PM_EVENT_HIBERNATE 0x0004
+#define PM_EVENT_PRETHAW 0x0008
+#define PM_EVENT_USER_SUSPEND 0x0010
+#define PM_EVENT_USER_RESUME 0x0020
+#define PM_EVENT_REMOTE_WAKEUP 0x0040
+#define PM_EVENT_AUTOSUSPEND 0x0080
+#define PM_EVENT_AUTORESUME 0x0100
#define PM_EVENT_SLEEP (PM_EVENT_SUSPEND | PM_EVENT_HIBERNATE)
+#define PMSG_ON ((struct pm_message){ .event = PM_EVENT_ON, })
#define PMSG_FREEZE ((struct pm_message){ .event = PM_EVENT_FREEZE, })
#define PMSG_PRETHAW ((struct pm_message){ .event = PM_EVENT_PRETHAW, })
#define PMSG_SUSPEND ((struct pm_message){ .event = PM_EVENT_SUSPEND, })
#define PMSG_HIBERNATE ((struct pm_message){ .event = PM_EVENT_HIBERNATE, })
-#define PMSG_ON ((struct pm_message){ .event = PM_EVENT_ON, })
+#define PMSG_USER_SUSPEND ((struct pm_message) \
+ { .event = PM_EVENT_USER_SUSPEND, })
+#define PMSG_USER_RESUME ((struct pm_message) \
+ { .event = PM_EVENT_USER_RESUME, })
+#define PMSG_REMOTE_WAKEUP ((struct pm_message) \
+ { .event = PM_EVENT_REMOTE_WAKEUP, })
+#define PMSG_AUTOSUSPSEND ((struct pm_message) \
+ { .event = PM_EVENT_AUTOSUSPSEND, })
+#define PMSG_AUTORESUME ((struct pm_message) \
+ { .event = PM_EVENT_AUTORESUME, })
struct dev_pm_info {
pm_message_t power_state;
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