1# SPDX-License-Identifier: GPL-2.0-only 2menu "DesignWare" 3 4config SND_DESIGNWARE_I2S 5 tristate "Synopsys I2S Device Driver" 6 depends on HAVE_CLK 7 select SND_SOC_GENERIC_DMAENGINE_PCM 8 help 9 Say Y or M if you want to add support for I2S driver for 10 Synopsys designware I2S device. The device supports up to 11 a maximum of 8 channels each for play and record. 12 13config SND_DESIGNWARE_PCM 14 bool "PCM PIO extension for I2S driver" 15 depends on SND_DESIGNWARE_I2S 16 help 17 Say Y or N if you want to add a custom ALSA extension that registers 18 a PCM and uses PIO to transfer data. 19 20 This functionality is specially suited for I2S devices that don't have 21 DMA support. 22 23endmenu 24