ACP_WOV_PDM_FIFO_FLUSH
writel(0x01, acp_base + ACP_WOV_PDM_FIFO_FLUSH);
rn_writel(0x01, acp_base + ACP_WOV_PDM_FIFO_FLUSH);
acp6x_writel(0x01, acp_base + ACP_WOV_PDM_FIFO_FLUSH);