Linux Driver for TLV320AIC31XX



This Linux driver supports the TLV320AIC31xx device family of low-power audio CODECs with stereo Class-D speaker amplifiers and supports communication through the I2C bus and interfaces with the Linux Dynamic Audio Power Management for Portable Devices (DAPM) class.

Linux main line status

Available in Linux main line: Yes
Available through Yes

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  : tristatePrompt: Texas Instruments TLV320AIC31xx CODECs  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: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 thisdriver please either1. Send the patches to the relevant Linux Kernel community as listed in the maintainers file located: Hereor2.  Contact your TI representative.



Audio CODECs
TLV320AIC3100 Low-Power Audio Codec With Audio Processing and Mono Class-D Amplifier TLV320AIC3110 Low-Power Audio Codec With 1.3W Stereo Class-D Speaker Amplifier TLV320AIC3111 Low-Power Audio CODEC with embedded miniDSP and Stereo Class-D Speaker Amplifier TLV320AIC3120 Low-Power Audio CODEC With miniDSP and 2.5-W Mono Class-D Speaker Amplifier
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