ASoC: rt5682: cancel jack_detect_work if hs_jack is set to null

jack_detect_work will be triggered by rt5682_irq. We should cancel
it if hs_jack is set to null.
Signed-off-by: Bard liao <yung-chuan.liao@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20191111222152.19723-1-pierre-louis.bossart@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/rt5682.c

@@ -1002,6 +1002,7 @@ static int rt5682_set_jack_detect(struct snd_soc_component *component,
 				   RT5682_JD1_EN_MASK, RT5682_JD1_DIS);
 		regmap_update_bits(rt5682->regmap, RT5682_RC_CLK_CTRL,
 				   RT5682_POW_JDH | RT5682_POW_JDL, 0);
+		cancel_delayed_work_sync(&rt5682->jack_detect_work);
 		return 0;
 	}