PCM179XSW-LINUX

The Linux driver supports the PCM179x device family of audio digital-to-analog converters (DACs), communication through I²C and SPI, and registers with the ASOC framework of the Linux kernel.

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

Linux source files

The files associated with this device are:

1. sound/soc/codecs/pcm179x.c
2. sound/soc/codecs/pcm179x-i2c.c
3. sound/soc/codecs/pcm179x-spi.c
4. Documentation/devicetree/bindings/sound/pcm179x.txt

Source files

• sound/soc/codecs/pcm179x.c
• sound/soc/codecs/pcm179x.h
• sound/soc/codecs/pcm179x-i2c.c
• sound/soc/codecs/pcm179x-spi.c

• Documentation/devicetree/bindings/sound/pcm179x.txt
  
  

Enabling driver support

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

Menuconfig location

Symbol: SND_SOC_PCM179X [=y]Type  : tristate  Defined at sound/soc/codecs/Kconfig:541  Depends on: SOUND [=y] && !M68K && !UML && SND [=y] && SND_SOC [=y]  Selected by: SND_SOC_PCM179X_I2C [=y] && SOUND [=y] && !M68K && !UML && SND [=y] && SND_SOC [=y] && I2C [=y] || SND_SOC_PCM179X_SPI [=y] && SOUND [=y] && !M68K && !UML && SND [=y] && SND_SOC [=y] && SPI_MASTER [=y]Symbol: SND_SOC_PCM179X_I2C [=y]Type  : tristatePrompt: Texas Instruments PCM179X CODEC (I2C)  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:544  Depends on: SOUND [=y] && !M68K && !UML && SND [=y] && SND_SOC [=y] && I2C [=y]  Selects: SND_SOC_PCM179X [=y]  Selected by: SND_SOC_ALL_CODECS [=y] && SOUND [=y] && !M68K && !UML && SND [=y] && SND_SOC [=y] && COMPILE_TEST [=y] && I2C [=y]Symbol: SND_SOC_PCM179X_SPI [=y]Type  : tristatePrompt: Texas Instruments PCM179X CODEC (SPI)  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:552  Depends on: SOUND [=y] && !M68K && !UML && SND [=y] && SND_SOC [=y] && SPI_MASTER [=y]  Selects: SND_SOC_PCM179X [=y]  Selected by: SND_SOC_ALL_CODECS [=y] && SOUND [=y] && !M68K && !UML && SND [=y] && SND_SOC [=y] && COMPILE_TEST [=y] && SPI_MASTER [=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.