ASoC: tegra: implement suspend/resume for Tegra30 I2S
Add tegra30_i2s_{suspend,resume}. These use regcache functions to
restore all HW registers after power loss during a suspend/resume cycle.
Signed-off-by:
Stephen Warren <swarren@nvidia.com>
Signed-off-by:
Mark Brown <broonie@linaro.org>
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