ASoC: CS4270: export de-emphasis filter as ALSA control
authorDaniel Mack <daniel@caiaq.de>
Thu, 29 Oct 2009 01:24:32 +0000 (02:24 +0100)
committerMark Brown <broonie@opensource.wolfsonmicro.com>
Thu, 29 Oct 2009 12:58:13 +0000 (12:58 +0000)
commit7e1aa1dcd0d886df72586e3a94b1a7382952f21f
treec258b4d736f2ecdcb68ce87f3b110594bdf6bd4c
parent26d95b6e300c4847be6ec8bfe817dbd531e94d9a
ASoC: CS4270: export de-emphasis filter as ALSA control

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>
sound/soc/codecs/cs4270.c