pci/ivtv/ivtv-alsa-pcm.c

59 	struct snd_pcm_runtime *runtime;
74 	runtime = substream->runtime;
75 	if (runtime == NULL) {
76 		dprintk("runtime was NULL\n");
80 	stride = runtime->frame_bits >> 3;
92 	if (runtime->dma_area == NULL) {
98 	if (oldptr + length >= runtime->buffer_size) {
100 			runtime->buffer_size - oldptr;
101 		memcpy(runtime->dma_area + oldptr * stride, pcm_data,
103 		memcpy(runtime->dma_area, pcm_data + cnt * stride,
106 		memcpy(runtime->dma_area + oldptr * stride, pcm_data,
113 	    runtime->buffer_size)
115 			runtime->buffer_size;
119 	    runtime->period_size) {
121 			runtime->period_size;
134 	struct snd_pcm_runtime *runtime = substream->runtime;
171 	runtime->hw = snd_ivtv_hw_capture;
172 	snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
174 	runtime->private_data = itv;