imx_dsp_ring_doorbell
EXPORT_SYMBOL(imx_dsp_ring_doorbell);
imx_dsp_ring_doorbell(chan->ipc, 1);
int imx_dsp_ring_doorbell(struct imx_dsp_ipc *dsp, unsigned int chan_idx);
imx_dsp_ring_doorbell(common->ipc_handle, 0x0);