SAI2 MCLK not set, codec cannot get MCLK freq Hello everyone, I am trying to debug a custom board with STM32MP151 with WM8988 connected with SAI2, the connection is just as STM32MP15x-DK with except that there is no I2S to HDMI. The device tree configuration is a mimic of STM32MP15xx-dkx.dtsi. After bootup, the soundcard was created, and I can run alsamixer.The problem is whenever I try to play a sound, the driver complains about cannot get MCLK because the freq passed to wm8988_set_dai_sysclk() is zero. The log messages shown that the asoc try to configure the dai, but it passed the wrong MCLK freq to wm8988 dai. I don't know why? Is there something I am missing in the device tree? Also, I tried to enable DEBUG in stm32_sai_sub.c and find that stm32_sai_mclk_enable() may not be called because I cannot find “Enable master clock” in dmesg. I am using openstlinux eco system 4, the distro version is 4.0.11. Here is the snipet of the device tree. &i2c4{
pinctrl-names = "default", "sle
