static void cs_hsi_data_enable()

in clients/cmt_speech.c [879:913]

• 29 lines of code
• 3 McCabe index (conditional complexity)

static void cs_hsi_data_enable(struct cs_hsi_iface *hi,
					struct cs_buffer_config *buf_cfg)
{
	unsigned int data_start, i;

	BUG_ON(hi->buf_size == 0);

	set_buffer_sizes(hi, buf_cfg->rx_bufs, buf_cfg->tx_bufs);

	hi->slot_size = L1_CACHE_ALIGN(hi->buf_size);
	dev_dbg(&hi->cl->device,
			"setting slot size to %u, buf size %u, align %u\n",
			hi->slot_size, hi->buf_size, L1_CACHE_BYTES);

	data_start = L1_CACHE_ALIGN(sizeof(*hi->mmap_cfg));
	dev_dbg(&hi->cl->device,
			"setting data start at %u, cfg block %u, align %u\n",
			data_start, sizeof(*hi->mmap_cfg), L1_CACHE_BYTES);

	for (i = 0; i < hi->mmap_cfg->rx_bufs; i++) {
		hi->rx_offsets[i] = data_start + i * hi->slot_size;
		hi->mmap_cfg->rx_offsets[i] = hi->rx_offsets[i];
		dev_dbg(&hi->cl->device, "DL buf #%u at %u\n",
					i, hi->rx_offsets[i]);
	}
	for (i = 0; i < hi->mmap_cfg->tx_bufs; i++) {
		hi->tx_offsets[i] = data_start +
			(i + hi->mmap_cfg->rx_bufs) * hi->slot_size;
		hi->mmap_cfg->tx_offsets[i] = hi->tx_offsets[i];
		dev_dbg(&hi->cl->device, "UL buf #%u at %u\n",
					i, hi->rx_offsets[i]);
	}

	hi->iface_state = CS_STATE_CONFIGURED;
}