From: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Date: Fri, 21 Aug 2020 19:55:54 +0000 (-0500)
Subject: ASoC: codecs: max98373-sdw: add missing test on resume
X-Git-Tag: v5.10-rc1~122^2~1^2^2~147^2~7
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=65fae64d79d2cbad43819c1ab83390594fac7fcb;p=thirdparty%2Fkernel%2Flinux.git

ASoC: codecs: max98373-sdw: add missing test on resume

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>
---

diff --git a/sound/soc/codecs/max98373-sdw.c b/sound/soc/codecs/max98373-sdw.c
index 5fe724728e84e..6469612c42cb8 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;