0001 # SPDX-License-Identifier: GPL-2.0-only
0002 config SND_DESIGNWARE_I2S
0003 tristate "Synopsys I2S Device Driver"
0004 depends on HAVE_CLK
0005 select SND_SOC_GENERIC_DMAENGINE_PCM
0006 help
0007 Say Y or M if you want to add support for I2S driver for
0008 Synopsys designware I2S device. The device supports up to
0009 a maximum of 8 channels each for play and record.
0010
0011 config SND_DESIGNWARE_PCM
0012 bool "PCM PIO extension for I2S driver"
0013 depends on SND_DESIGNWARE_I2S
0014 help
0015 Say Y or N if you want to add a custom ALSA extension that registers
0016 a PCM and uses PIO to transfer data.
0017
0018 This functionality is specially suited for I2S devices that don't have
0019 DMA support.
0020
