STM_SAI_STM32F4 23 sound/soc/stm/stm32_sai.c .version = STM_SAI_STM32F4, STM_SAI_STM32F4 81 sound/soc/stm/stm32_sai.h #define SAI_XCR1_MCKDIV_WIDTH(x) (((x) == STM_SAI_STM32F4) ? 4 : 6) STM_SAI_STM32F4 257 sound/soc/stm/stm32_sai.h #define STM_SAI_IS_F4(ip) ((ip)->conf.version == STM_SAI_STM32F4)