ASoC: Add WM8958 Multi-band compressor support

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The WM8958 features a multi-band compressor which can be enabled on
any of the AIF inputs. The MBC allows different gains to be applied to
differnt audio bands, providing an improvement in perceived loudness
of the signal by avoiding overdriving the output transducers. This
patch enables support for the MBC.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>

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This commit is contained in:

Mark Brown 2010-11-26 15:21:08 +00:00

parent c4431df050

commit d6addcc9d8

2 changed files with 301 additions and 12 deletions

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115

include/linux/mfd/wm8994/registers.h

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198

sound/soc/codecs/wm8994.c

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