Hello. I have a problem using ALSA.
We are working on connecting MEMS MIC using ALSA but there is a problem.
This is my ALSA source code.
int hello_init(void) {
const char *dmaengine = “tegra186-gpc-dma”;
int ret;
ret = request_module(dmaengine);
if (ret)
pr_alert(“Unable to request module load (Error)‘%s’: %d\n”,
dmaengine, ret);
}
In the tutorial and document, there is no mention of dma module.
Using MEMS MIC with I2S, we need the mapping of dma module.
Please help me