ASoC: CS4270: export de-emphasis filter as ALSA control

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The CS4270 codec features an de-emphasis filter for compensation of
audio material filtered by an 50/15 uS algorithm. Not sure whether we
should always enable it for 44100Hz sampling frequency, but it should at
least be configurable by the user.

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Acked-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

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Daniel Mack 2009-10-29 02:24:32 +01:00 • committed by Mark Brown

parent 26d95b6e30

commit 7e1aa1dcd0

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sound/soc/codecs/cs4270.c

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