ASoC: nau8825: add programmable biquad filter control

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Add programmable biquad filter configuration control for user space.
The filter is configurable for low pass filters, high pass filters,
Notch filter, etc in the ADC and DAC path.

Signed-off-by: John Hsu <KCHSU0@nuvoton.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

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John Hsu 2016-05-31 11:57:41 +08:00 • committed by Mark Brown

parent ffd72505b0

commit 18d8306d7e

2 changed files with 61 additions and 0 deletions

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53

sound/soc/codecs/nau8825.c

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8

sound/soc/codecs/nau8825.h

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