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1# SPDX-License-Identifier: GPL-2.0-only2config SND_DESIGNWARE_I2S3 tristate "Synopsys I2S Device Driver"4 depends on HAVE_CLK5 select SND_SOC_GENERIC_DMAENGINE_PCM6 help7 Say Y or M if you want to add support for I2S driver for8 Synopsys designware I2S device. The device supports up to9 a maximum of 8 channels each for play and record.10 11config SND_DESIGNWARE_PCM12 bool "PCM PIO extension for I2S driver"13 depends on SND_DESIGNWARE_I2S14 help15 Say Y or N if you want to add a custom ALSA extension that registers16 a PCM and uses PIO to transfer data.17 18 This functionality is specially suited for I2S devices that don't have19 DMA support.20 21