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The Linux driver supports the TLV320AIC31xx family of Low-Power Audio Codecs With Stereo Class-D Speaker Amplifiers. The Linux driver supports communication through the I2C bus and interfaces with the Linux DAPM (Dynamic Audio Power Management for Portable Devices) class.


Linux Mainline Status

Available in Linux Main line: Yes
Available through N/A

Supported Devices:

  • tlv320aic3100
  • tlv320aic3110
  • tlv320aic3111
  • tlv320aic3120


Linux Source Files

The files associated with this device are:

  1. sound/soc/codecs/tlv320aic31xx.c
  2. Documentation/devicetree/bindings/sound/tlv320aic31xx.txt
  3. sound/soc/codecs/tlv320aic31xx.h
  4. include/dt-bindings/sound/tlv320aic31xx-micbias.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_TLV320AIC31XX [=y]
Type  : tristate
Prompt: Texas Instruments TLV320AIC31xx CODECs
    -> 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:822
  Depends on: SOUND [=y] && !M68K && !UML && SND [=y] && SND_SOC [=y] && I2C [=y]
  Selects: REGMAP_I2C [=y]
  Selected by: 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 this
driver please either

1. Send the patches to the relevant Linux Kernel community as listed in the maintainers file located: Here


2.  Contact your TI representative.



TI Devices (4)

Part Number Name Product Family
TLV320AIC3100  Low-Power Audio Codec With Audio Processing and Mono Class-D Amplifier  Audio converters 
TLV320AIC3110  Low-Power Audio Codec With 1.3W Stereo Class-D Speaker Amplifier  Audio converters 
TLV320AIC3111  Low-Power Audio CODEC with embedded miniDSP and Stereo Class-D Speaker Amplifier  Audio converters 
TLV320AIC3120  Low-Power Audio CODEC With miniDSP and 2.5-W Mono Class-D Speaker Amplifier  Audio converters 

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