static void cs_hsi_peek_on_data_complete()

in clients/cmt_speech.c [600:630]

• 28 lines of code
• 4 McCabe index (conditional complexity)

static void cs_hsi_peek_on_data_complete(struct hsi_msg *msg)
{
	struct cs_hsi_iface *hi = msg->context;
	u32 *address;
	int ret;

	if (unlikely(msg->status == HSI_STATUS_ERROR)) {
		cs_hsi_data_read_error(hi, msg);
		return;
	}
	if (unlikely(hi->iface_state != CS_STATE_CONFIGURED)) {
		dev_err(&hi->cl->device, "Data received in invalid state\n");
		cs_hsi_data_read_error(hi, msg);
		return;
	}

	spin_lock(&hi->lock);
	WARN_ON(!(hi->data_state & SSI_CHANNEL_STATE_POLL));
	hi->data_state &= ~SSI_CHANNEL_STATE_POLL;
	hi->data_state |= SSI_CHANNEL_STATE_READING;
	spin_unlock(&hi->lock);

	address = (u32 *)(hi->mmap_base +
				hi->rx_offsets[hi->rx_slot % hi->rx_bufs]);
	sg_init_one(msg->sgt.sgl, address, hi->buf_size);
	msg->sgt.nents = 1;
	msg->complete = cs_hsi_read_on_data_complete;
	ret = hsi_async_read(hi->cl, msg);
	if (ret)
		cs_hsi_data_read_error(hi, msg);
}