31 	struct pxa2xx_runtime_data *prtd = runtime->private_data;  in pxa2xx_pcm_hw_params()  local
45 	if (prtd->params == NULL) {  in pxa2xx_pcm_hw_params()
46 		prtd->params = dma;  in pxa2xx_pcm_hw_params()
51 		prtd->dma_ch = ret;  in pxa2xx_pcm_hw_params()
52 	} else if (prtd->params != dma) {  in pxa2xx_pcm_hw_params()
53 		pxa_free_dma(prtd->dma_ch);  in pxa2xx_pcm_hw_params()
54 		prtd->params = dma;  in pxa2xx_pcm_hw_params()
59 		prtd->dma_ch = ret;  in pxa2xx_pcm_hw_params()
67 	struct pxa2xx_runtime_data *prtd = substream->runtime->private_data;  in pxa2xx_pcm_hw_free()  local
71 	if (prtd->dma_ch >= 0) {  in pxa2xx_pcm_hw_free()
72 		pxa_free_dma(prtd->dma_ch);  in pxa2xx_pcm_hw_free()
73 		prtd->dma_ch = -1;  in pxa2xx_pcm_hw_free()
74 		prtd->params = NULL;  in pxa2xx_pcm_hw_free()