ASoC: sigmadsp: Add support for fw v2
This patch adds support for the v2 version of the SigmaDSP firmware file format. The new format has support for having different program and parameter settings for different samplerates. In addition it stores metadata describing the firmware. This metadata includes the set of supported samplerates which will be used to restrict the samplerates that can be selected by userspace. Also included is information about the modifiable parameters. Those will be exposed as ALSA controls so they can be changed at runtime. The new format is based on a binary type-length-value structure that makes it both forward and backwards compatible. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Mark Brown <broonie@kernel.org>
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