ASoC: rt700-sdw: use first_hw_init flag on resume

[ Upstream commit a9e54e5fbe396b546771cf77b43ce7c75e212278 ]

The intent of the status check on resume was to verify if a SoundWire
peripheral reported ATTACHED before waiting for the initialization to
complete. This is required to avoid timeouts that will happen with
'ghost' devices that are exposed in the platform firmware but are not
populated in hardware.

Unfortunately we used 'hw_init' instead of 'first_hw_init'. Due to
another error, the resume operation never timed out, but the volume
settings were not properly restored.

BugLink: https://github.com/thesofproject/linux/issues/2908
BugLink: https://github.com/thesofproject/linux/issues/2637
Fixes: 7d2a5f9ae41e3 ('ASoC: rt700: add rt700 codec driver')
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Reviewed-by: Bard Liao <bard.liao@intel.com>
Link: https://lore.kernel.org/r/20210607222239.582139-7-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/sound/soc/codecs/rt700-sdw.c b/sound/soc/codecs/rt700-sdw.c
index fb77e77a4ebd5a621be72e1d6a672cf44300db95..3a1db79030d71e0f5850b68e040d4eb774545c75 100644 (file)
--- a/sound/soc/codecs/rt700-sdw.c
+++ b/sound/soc/codecs/rt700-sdw.c
@@ -498,7 +498,7 @@ static int __maybe_unused rt700_dev_resume(struct device *dev)
        struct rt700_priv *rt700 = dev_get_drvdata(dev);
        unsigned long time;
 
-       if (!rt700->hw_init)
+       if (!rt700->first_hw_init)
                return 0;
 
        if (!slave->unattach_request)