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[03/15] ASoC: rt1308-sdw: use first_hw_init flag on resume

Message ID 20210607222239.582139-4-pierre-louis.bossart@linux.intel.com
State Accepted
Commit 30e102dab5fad1db71684f8ac5e1ac74e49da06d
Headers show
Series [01/15] ASoC: max98373-sdw: add missing memory allocation check | 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: a87a6653a28c0 ('ASoC: rt1308-sdw: add rt1308 SdW amplifier 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/rt1308-sdw.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/sound/soc/codecs/rt1308-sdw.c b/sound/soc/codecs/rt1308-sdw.c
index 1c226994aebd..f716668de640 100644
--- a/sound/soc/codecs/rt1308-sdw.c
+++ b/sound/soc/codecs/rt1308-sdw.c
@@ -709,7 +709,7 @@  static int __maybe_unused rt1308_dev_resume(struct device *dev)
 	struct rt1308_sdw_priv *rt1308 = dev_get_drvdata(dev);
 	unsigned long time;
 
-	if (!rt1308->hw_init)
+	if (!rt1308->first_hw_init)
 		return 0;
 
 	if (!slave->unattach_request)