From 65fae64d79d2cbad43819c1ab83390594fac7fcb Mon Sep 17 00:00:00 2001
From: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Date: Fri, 21 Aug 2020 14:55:54 -0500
Subject: [PATCH] ASoC: codecs: max98373-sdw: add missing test on resume
References: jsc#SLE-16518
Patch-mainline: v5.10-rc1
Git-commit: 65fae64d79d2cbad43819c1ab83390594fac7fcb
All existing SoundWire codecs follow the same pattern on resume,
except for this codec which doesn't test if the hardware is
initialized.
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20200821195603.215535-8-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
sound/soc/codecs/max98373-sdw.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/sound/soc/codecs/max98373-sdw.c b/sound/soc/codecs/max98373-sdw.c
index 5fe724728e84..6469612c42cb 100644
--- a/sound/soc/codecs/max98373-sdw.c
+++ b/sound/soc/codecs/max98373-sdw.c
@@ -256,6 +256,9 @@ static __maybe_unused int max98373_resume(struct device *dev)
struct max98373_priv *max98373 = dev_get_drvdata(dev);
unsigned long time;
+ if (!max98373->hw_init)
+ return 0;
+
if (!slave->unattach_request)
goto regmap_sync;
--
2.16.4