VPU_INST_STATE_OPEN
case VPU_INST_STATE_OPEN:
case VPU_INST_STATE_OPEN:
if (inst->state != VPU_INST_STATE_OPEN && inst->state != VPU_INST_STATE_STOP)
ret = switch_state(inst, VPU_INST_STATE_OPEN);
case VPU_INST_STATE_OPEN:
case VPU_INST_STATE_OPEN:
if (inst->state > VPU_INST_STATE_OPEN) {
case VPU_INST_STATE_OPEN:
if (inst->state != VPU_INST_STATE_OPEN && inst->state != VPU_INST_STATE_STOP)
ret = switch_state(inst, VPU_INST_STATE_OPEN);
if (inst->state == VPU_INST_STATE_OPEN &&