TS3A227E 向け Linux ドライバ



The Linux driver supports the TS3A227E Autonomous Audio Accessory Detection and Configuration Switch. The Linux driver supports communication through the I2C bus and interfaces with the Linux Sound SoC Component framework.


Linux Mainline Status

Available in Linux Main line: Yes
Available through git.ti.com: N/A

Supported Devices:

  • ts3a227e


Linux Source Files

The files associated with this device are:

  1. sound/soc/codecs/ts3a227e.c
  2. Documentation/devicetree/bindings/sound/ts3a227e.txt
  3. sound/soc/codecs/ts3a227e.h

Source Files


Linux Device Tree Documenation


Other Files



Enabling Driver Support

Configure kernel with "make menuconfig" (alternatively use "make xconfig" or "make nconfig")

Menuconfig Location

Symbol: SND_SOC_TS3A227E [=y]Type  : tristatePrompt: TI Headset/Mic detect and keypress chip  Location:    -> Device Drivers      -> Sound card support (SOUND [=y])        -> Advanced Linux Sound Architecture (SND [=y])          -> ALSA for SoC audio support (SND_SOC [=y])            -> CODEC drivers  Defined at sound/soc/codecs/Kconfig:847  Depends on: SOUND [=y] && !M68K && !UML && SND [=y] && SND_SOC [=y] && I2C [=y]  Selected by: SND_SOC_INTEL_CHT_BSW_MAX98090_TI_MACH [=y] && SOUND [=y] && !M68K && !UML && SND [=y] && SND_SOC [=y] && X86_INTEL_LPSS && I2C [=y] && ACPI || SND_SOC_ROCKCHIP_MAX98090 [=y] && SOUND [=y] && !M68K && !UML && SND [=y] && SND_SOC [=y] && SND_SOC_ROCKCHIP [=y] && I2C [=y] && GPIOLIB [=y] && CLKDEV_LOOKUP [=y] || SND_SOC_ALL_CODECS [=y] && SOUND [=y] && !M68K && !UML && SND [=y] && SND_SOC [=y] && COMPILE_TEST [=y] && I2C [=y]

Fixes and Code Enhancements

If there are fixes and or code enhancements that need to be added to thisdriver please either1. Send the patches to the relevant Linux Kernel community as listed in the maintainers file located: Hereor2.  Contact your TI representative.



TS3A227E I2C 搭載、60mΩ、4.5V、オーディオ・アクセサリ自動検出機能と構成スイッチ
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