ASoC: rt711: wait for the delayed work to finish when the system suspends

To avoid the IO error, we need to cancel the delayed work and wait for it to finish.
Signed-off-by: Shuming Fan <shumingf@realtek.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20200921094308.31921-1-shumingf@realtek.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/rt711-sdw.c

@@ -491,6 +491,10 @@ static int __maybe_unused rt711_dev_suspend(struct device *dev)
 	if (!rt711->hw_init)
 		return 0;
 
+	cancel_delayed_work_sync(&rt711->jack_detect_work);
+	cancel_delayed_work_sync(&rt711->jack_btn_check_work);
+	cancel_work_sync(&rt711->calibration_work);
+
 	regcache_cache_only(rt711->regmap, true);
 
 	return 0;