84     if (NULL == ctx || NULL == cfg) {  in mpp_hal_init()
88     *ctx = NULL;  in mpp_hal_init()
91     if (NULL == p) {  in mpp_hal_init()
123     if (NULL == ctx) {  in mpp_hal_deinit()
137     if (NULL == ctx || NULL == task) {  in mpp_hal_reg_gen()
148     if (NULL == ctx || NULL == task) {  in mpp_hal_hw_start()
159     if (NULL == ctx || NULL == task) {  in mpp_hal_hw_wait()
170     if (NULL == ctx) {  in mpp_hal_reset()
177     if (NULL == p->api || NULL == p->api->reset)  in mpp_hal_reset()
185     if (NULL == ctx) {  in mpp_hal_flush()
192     if (NULL == p->api || NULL == p->api->flush)  in mpp_hal_flush()
200     if (NULL == ctx) {  in mpp_hal_control()
207     if (NULL == p->api || NULL == p->api->control)  in mpp_hal_control()