Support for WCD9340/WCD9341 Codec

modulename: wcd934x.ko

configname: CONFIG_MFD_WCD934X

Linux Kernel Configuration
└─>Device Drivers
└─>Multifunction device drivers
└─>Support for WCD9340/WCD9341 Codec
In linux kernel since version 5.1 (release Date: 2019-05-05)  
Support for the Qualcomm WCD9340/WCD9341 Codec.
This driver provides common support WCD934x audio codec and its
associated Pin Controller, Soundwire Controller and Audio codec.

source code: