tree 656583f38b51c82f8bb0034cbf3182db86a30606
parent 74b4dd04b19cc03e1cc369d9c371cf4206367df4
author Keyon Jie <yang.jie@linux.intel.com> 1573511621 -0600
committer Mark Brown <broonie@kernel.org> 1573560621 +0000
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ASoC: SOF: PM: add check before setting d0_substate

Add check before seeting d0_substate and return success if Audio DSP is
already in the target substate.

Signed-off-by: Keyon Jie <yang.jie@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20191111223343.19986-3-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>