ASoC updates in 2.6.31

Linux 2.6.31 was released today. This was a fairly busy release for the ASoC subsystem, with updates including:

  • DAPM supply widget, for automatically managing things like charge pumps and gateable clocks which may be used by more than one widget.
  • Core support for setting up constraints for symmetric sample rates (for systems with a shared LRCLK).
  • Support for a range of new CODECs: STAC9766, WM8940, WM8960, WM8988, and WM9081
  • New CPU support too: MPC5200 AC97 and the I2S interface of the Stretch S6000.

Plus lots of updates and fixes to existing code, especially to the OMAP and TWL4030 drivers.

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