The official errata for the WCD9341 (Document #Q-8732-8) lists several known issues:
Optimized for high-definition audio processing, supporting multiple formats and high-fidelity output. Specialized Features:
Ensure the Linux/Android ALSA (Advanced Linux Sound Architecture) kernel driver correctly uploads the initial firmware and configuration registers over the SLIMbus interface during boot. wcd9341 datasheet
Up to 130 dB for the DAC path, ensuring an ultra-low noise floor.
If you'd like more information or have specific questions, feel free to ask! The official errata for the WCD9341 (Document #Q-8732-8)
I can provide target snippets or hardware design rules based on your project requirements.
Core digital supply voltage (typically 1.2V or lower). If you'd like more information or have specific
Pins carry clock signals, transmit/receive data lines, and frame sync indicators. HPH_L / HPH_R : Left and right headphone outputs.
Differential outputs dedicated to driving the phone’s earpiece speaker. Application and System Integration
Supply lines for the internal charge pumps and speaker/headphone power amplifiers.
Embedded hardware block for low-power keyword detection (e.g., "Hey Google" or "Alexa").