diff options
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/acpica/acpi.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/sys/dev/acpica/acpi.c b/sys/dev/acpica/acpi.c index f9003a951d45..6994f46eba10 100644 --- a/sys/dev/acpica/acpi.c +++ b/sys/dev/acpica/acpi.c @@ -195,6 +195,7 @@ static void acpi_system_eventhandler_wakeup(void *arg, static enum power_stype acpi_sstate_to_stype(int sstate); static int acpi_sname_to_sstate(const char *sname); static const char *acpi_sstate_to_sname(int sstate); +static int acpi_suspend_state_sysctl(SYSCTL_HANDLER_ARGS); static int acpi_sleep_state_sysctl(SYSCTL_HANDLER_ARGS); static int acpi_stype_sysctl(SYSCTL_HANDLER_ARGS); static int acpi_debug_objects_sysctl(SYSCTL_HANDLER_ARGS); @@ -617,6 +618,11 @@ acpi_attach(device_t dev) "Lid ACPI sleep state. Set to s2idle or s2mem if you want to suspend " "your laptop when close the lid."); SYSCTL_ADD_PROC(&sc->acpi_sysctl_ctx, SYSCTL_CHILDREN(sc->acpi_sysctl_tree), + OID_AUTO, "suspend_state", CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_MPSAFE, + NULL, 0, acpi_suspend_state_sysctl, "A", + "Current ACPI suspend state. This sysctl is deprecated; you probably " + "want to use kern.power.suspend instead."); + SYSCTL_ADD_PROC(&sc->acpi_sysctl_ctx, SYSCTL_CHILDREN(sc->acpi_sysctl_tree), OID_AUTO, "standby_state", CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_MPSAFE, &sc->acpi_standby_sx, 0, acpi_sleep_state_sysctl, "A", @@ -4352,6 +4358,32 @@ acpi_supported_sleep_state_sysctl(SYSCTL_HANDLER_ARGS) return (error); } +static int +acpi_suspend_state_sysctl(SYSCTL_HANDLER_ARGS) +{ + char name[10]; + int err; + struct acpi_softc *sc = oidp->oid_arg1; + enum power_stype new_stype; + enum power_stype old_stype = power_suspend_stype; + int old_sstate = acpi_stype_to_sstate(sc, old_stype); + int new_sstate; + + strlcpy(name, acpi_sstate_to_sname(old_sstate), sizeof(name)); + err = sysctl_handle_string(oidp, name, sizeof(name), req); + if (err != 0 || req->newptr == NULL) + return (err); + + new_sstate = acpi_sname_to_sstate(name); + if (new_sstate < 0) + return (EINVAL); + new_stype = acpi_sstate_to_stype(new_sstate); + if (acpi_supported_stypes[new_stype] == false) + return (EOPNOTSUPP); + if (new_stype != old_stype) + power_suspend_stype = new_stype; + return (err); +} static int acpi_sleep_state_sysctl(SYSCTL_HANDLER_ARGS) |