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As far as I know, a Raspberry Pi 4 SoC gets hot no matter what you do and cooling is recommended (reference, more reference).
Here an article that shows different Raspberry Pi models and the recommended cooling options.
Simply put: you'll need a heatsink and a fan is recommended.
Dear sir,
we are using TLV320AIC33IRGZR Audio CODEC. for this (GPIO18 -BCLK), (GPIO4 - MCLK), (GPIO19 - WCLK), (GPIO20 - D IN), (GPIO21 - D OUT) used. Please sugest Drivers and courrections please...
nsprateep@sirveen.com
I honestly have completely zero experience with that 😞
You may have to Google this, or check the official Raspberry Pi forum.
It looks like this is using a Texas Instruments chip, TLV320AIC33, which can be addressed in several ways (it seems to have been around for a while already). It also looks like some kind of support is already build in the RPi Linux kernel (source) - probably based on Raspberry Pi OS (=Raspbian).
