Hello
The TAS2563 amplifier has a DSP that can run programs and configurations to produce alternate audio experiences. The DSP firmware is not a typical firmware as the binary may contain various programs and configurations that are selectable during run time.
These programs and configurations are selectable via files under the I2C dev node. There may be a better way to select this through ALSA controls but I was unable to find a good example of this. This is why this is an RFC patchset.
Dan
Dan Murphy (2): dt-bindings: tas2562: Add firmware support for tas2563 ASoc: tas2563: DSP Firmware loading support
.../devicetree/bindings/sound/tas2562.yaml | 4 + sound/soc/codecs/Makefile | 2 +- sound/soc/codecs/tas2562.c | 48 ++- sound/soc/codecs/tas2562.h | 25 ++ sound/soc/codecs/tas25xx_dsp_loader.c | 377 ++++++++++++++++++ sound/soc/codecs/tas25xx_dsp_loader.h | 93 +++++ 6 files changed, 530 insertions(+), 19 deletions(-) create mode 100644 sound/soc/codecs/tas25xx_dsp_loader.c create mode 100644 sound/soc/codecs/tas25xx_dsp_loader.h