config SND_SOC_ROCKCHIP tristate "ASoC support for Rockchip" depends on COMPILE_TEST || ARCH_ROCKCHIP select SND_SOC_GENERIC_DMAENGINE_PCM help Say Y or M if you want to add support for codecs attached to the Rockchip SoCs' Audio interfaces. You will also need to select the audio interfaces to support below. config SND_SOC_ROCKCHIP_I2S tristate "Rockchip I2S Device Driver" depends on CLKDEV_LOOKUP help Say Y or M if you want to add support for I2S driver for Rockchip I2S device. The device supports upto maximum of 8 channels each for play and record.