sprd_mcdt_chan_read  651 sound/soc/sprd/sprd-mcdt.c EXPORT_SYMBOL_GPL(sprd_mcdt_chan_read);
sprd_mcdt_chan_read   57 sound/soc/sprd/sprd-mcdt.h int sprd_mcdt_chan_read(struct sprd_mcdt_chan *chan, char *rx_buf, u32 size);