Worked on the zephyrproject-rtos/zephyr-testing repository to address a critical issue in the STM32 I2S driver, focusing on embedded systems and driver development using C. Delivered a targeted fix that ensures bit clock continuity in continuous mode by implementing a guard to prevent the bit clock from being gated when I2S_OPT_BIT_CLK_CONT is selected. This change improved audio streaming reliability and platform stability by reducing the risk of data dropout during Zephyr testing. The solution was validated through dedicated tests, demonstrating a precise approach to code health and maintenance within the drivers/i2s/stm32 component of the project.