config SND_EP93XX_SOC tristate "SoC Audio support for the Cirrus Logic EP93xx series" depends on ARCH_EP93XX || COMPILE_TEST select SND_SOC_GENERIC_DMAENGINE_PCM help Say Y or M if you want to add support for codecs attached to the EP93xx I2S or AC97 interfaces. config SND_EP93XX_SOC_I2S tristate if SND_EP93XX_SOC_I2S config SND_EP93XX_SOC_I2S_WATCHDOG bool "IRQ based underflow watchdog workaround" default y help I2S controller on EP93xx seems to have undocumented HW issue. Underflow of internal I2S controller FIFO could confuse the state machine and the whole stream can be shifted by one byte until I2S is disabled. This option enables IRQ based watchdog which disables and re-enables I2S in case of underflow and fills FIFO with zeroes. If you are unsure how to answer this question, answer Y. endif # if SND_EP93XX_SOC_I2S config SND_EP93XX_SOC_AC97 tristate select AC97_BUS select SND_SOC_AC97_BUS config SND_EP93XX_SOC_SNAPPERCL15 tristate "SoC Audio support for Bluewater Systems Snapper CL15 module" depends on SND_EP93XX_SOC && MACH_SNAPPER_CL15 && I2C select SND_EP93XX_SOC_I2S select SND_SOC_TLV320AIC23_I2C help Say Y or M here if you want to add support for I2S audio on the Bluewater Systems Snapper CL15 module. config SND_EP93XX_SOC_SIMONE tristate "SoC Audio support for Simplemachines Sim.One board" depends on SND_EP93XX_SOC && MACH_SIM_ONE select SND_EP93XX_SOC_AC97 select SND_SOC_AC97_CODEC help Say Y or M here if you want to add support for AC97 audio on the Simplemachines Sim.One board. config SND_EP93XX_SOC_EDB93XX tristate "SoC Audio support for Cirrus Logic EDB93xx boards" depends on SND_EP93XX_SOC && (MACH_EDB9301 || MACH_EDB9302 || MACH_EDB9302A || MACH_EDB9307A || MACH_EDB9315A) select SND_EP93XX_SOC_I2S select SND_SOC_CS4271_I2C if I2C select SND_SOC_CS4271_SPI if SPI_MASTER help Say Y or M here if you want to add support for I2S audio on the Cirrus Logic EDB93xx boards.