config SND_SOC_AMD_ACP tristate "AMD Audio Coprocessor support" help This option enables ACP DMA support on AMD platform. config SND_SOC_AMD_CZ_RT5645_MACH tristate "AMD CZ support for RT5645" select SND_SOC_RT5645 depends on SND_SOC_AMD_ACP && I2C help This option enables machine driver for rt5645.