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ASoC: rt5677: Support DSP function for VAD application

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The ALC5677 has a programmable DSP, and there is a SPI that is dadicated for DSP
firmware loading. Therefore, the patch includes a SPI driver for writing the DSP
firmware. The VAD(Voice Activaty Detection) has be implemented and use the DSP to
recognize the key phase.

Signed-off-by: Oder Chiou <oder_chiou@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Oder Chiou 2014-10-06 16:30:51 +08:00 • committed by Mark Brown
commit af48f1d08a
5 changed files with 440 additions and 5 deletions
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