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====== GSoC 2019: ASoC codec driver project ======

[[:gsoc:google-summer-code-2019|Main GSoC Linux Foundation page: How to apply, deadlines, other workgroups, ...]]

===== Proposal =====

The overall project goal of the ALSA System on Chip (ASoC) layer is to provide better ALSA support for embedded system-on-chip processors and portable audio codecs. To achieve all this, ASoC basically splits an embedded audio system into multiple re-usable component drivers:
  - codec drivers, the chip that actually does the ADC/DAC conversion.
  - digital audio interface drivers (e.g: I2S)
  - platform drivers (DMA)
  - machine drivers, connects the other component drivers together.

The goal of this project is to write a driver for [[https://cdn-learn.adafruit.com/downloads/pdf/adafruit-i2s-stereo-decoder-uda1334a.pdf | I2S Stereo Decoder - UDA1334A ]]

Code license: GPL 

The project is considered successful if the code is accepted into Linux kernel ASoC maintainer's tree.

===== Where to start? =====

Have a look at:
   * [[https://www.youtube.com/watch?v=kb1yAt9d2k8 | ASoC: Supporting audio on an embedded board]]
   * [[https://www.kernel.org/doc/html/v5.0/sound/soc/overview.html|ASoC Overview]]

===== Things to consider =====

   * Send at least one patch to Linux kernel. See [[https://kernelnewbies.org/FirstKernelPatch | First kernel patch]].
   * Investigate ways to test your driver. Look for boards who can connect codecs on I2S interface. 




===== Contact =====

If you are interested about this project please drop me an email at: Daniel Baluta <daniel.baluta@nxp.com>

You can also find me on IRC: _daniel_ on #alsa-soc channel, on irc.freenode.net server [[http://webchat.freenode.net/ | Web IRC]]
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