| # 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. |
| |
