linux/sound/soc/dwc/Kconfig

# SPDX-License-Identifier: GPL-2.0-only
config SND_DESIGNWARE_I2S
	tristate "Synopsys I2S Device Driver"
	depends on HAVE_CLK
	select SND_SOC_GENERIC_DMAENGINE_PCM
	help
	 Say Y or M if you want to add support for I2S driver for
	 Synopsys designware I2S device. The device supports up to
	 a maximum of 8 channels each for play and record.

config SND_DESIGNWARE_PCM
	bool "PCM PIO extension for I2S driver"
	depends on SND_DESIGNWARE_I2S
	help
	 Say Y 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.