550 static void copy_play_buf_part_n(struct loopback_pcm *play, struct loopback_pcm *capt,  in copy_play_buf_part_n()  argument
553 	unsigned int channels = capt->substream->runtime->channels;  in copy_play_buf_part_n()
560 		memcpy(capt->substream->runtime->dma_area + capt->channel_buf_n * i + dst_off_ch,  in copy_play_buf_part_n()
567 			  struct loopback_pcm *capt,  in copy_play_buf()  argument
572 	char *dst = capt->substream->runtime->dma_area;  in copy_play_buf()
574 	unsigned int dst_off = capt->buf_pos;  in copy_play_buf()
598 		if (dst_off + size > capt->pcm_buffer_size)  in copy_play_buf()
599 			size = capt->pcm_buffer_size - dst_off;  in copy_play_buf()
601 			copy_play_buf_part_n(play, capt, size, src_off, dst_off);  in copy_play_buf()
604 		capt->silent_size = 0;  in copy_play_buf()
609 		dst_off = (dst_off + size) % capt->pcm_buffer_size;  in copy_play_buf()
613 		clear_capture_buf(capt, clear_bytes);  in copy_play_buf()
614 		capt->silent_size = 0;  in copy_play_buf()