SSAM_NOTIF_STATE_SHIFT
#define SSAM_NOTIF_STATE_MASK ((1 << SSAM_NOTIF_STATE_SHIFT) - 1)
return ((-err) << SSAM_NOTIF_STATE_SHIFT) | SSAM_NOTIF_STOP;
return -(ret >> SSAM_NOTIF_STATE_SHIFT);