EP5_BUF_SIZE
for (frame = 0; frame < (int)(CX231xx_FIRM_IMAGE_SIZE*20/EP5_BUF_SIZE);
for (i = 0; i < EP5_BUF_SIZE; i++) {
cx231xx_ep5_bulkout(dev, p_buffer, EP5_BUF_SIZE);
p_buffer = vmalloc(EP5_BUF_SIZE);
buffer = kmemdup(firmware, EP5_BUF_SIZE, GFP_KERNEL);
buffer, EP5_BUF_SIZE, &actlen, EP5_TIMEOUT_MS);
dma_q->p_left_data = kzalloc(EP5_BUF_SIZE, GFP_KERNEL);