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2015-12-18ASoC: atmel-pdmic: add the Pulse Density Modulation Interface ControllerSongjun Wu1-0/+80
Add driver for the Pulse Density Modulation Interface Controller. It comes with digitallly controlled gain, a High-Pass and a SINCC filter. Signed-off-by: Songjun Wu <songjun.wu@atmel.com> Signed-off-by: Mark Brown <broonie@kernel.org>