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[06/15] ASoC: rt700-sdw: use first_hw_init flag on resume

Message ID 20210607222239.582139-7-pierre-louis.bossart@linux.intel.com (mailing list archive)
State Accepted
Commit a9e54e5fbe396b546771cf77b43ce7c75e212278
Headers show
Series ASoC: fixes for SoundWire codec drivers | expand

Commit Message

Pierre-Louis Bossart June 7, 2021, 10:22 p.m. UTC
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>
---
 sound/soc/codecs/rt700-sdw.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/sound/soc/codecs/rt700-sdw.c b/sound/soc/codecs/rt700-sdw.c
index ff9c081fd52a..d1d9c0f455b4 100644
--- 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)