help Say Y or M if you want to add support for I2S driver for Synopsys desigwnware I2S device. The device supports upto maximum of 8 channels each for play and record.
config SND_DESIGNWARE_PCM tristate "PCM PIO extension for I2S driver" depends on SND_DESIGNWARE_I2S help Say Y, M or N if you want to add a custom ALSA extension that registers a PCM and uses PIO to transfer data. This functionality is specially suited for I2S devices that don't have DMA support.
