ASoC: rt5663: Check the JD status in the button pushing

Check the JD status in the button pushing to prevent the IRQ that is locked
by button pushing event while the jack unpluging.
Signed-off-by: NOder Chiou <oder_chiou@realtek.com>
Signed-off-by: NMark Brown <broonie@kernel.org>

sound/soc/codecs/rt5663.c

@@ -52,7 +52,7 @@ struct rt5663_priv {
 	struct snd_soc_codec *codec;
 	struct rt5663_platform_data pdata;
 	struct regmap *regmap;
-	struct delayed_work jack_detect_work;
+	struct delayed_work jack_detect_work, jd_unplug_work;
 	struct snd_soc_jack *hs_jack;
 	struct timer_list btn_check_timer;
 	struct impedance_mapping_table *imp_table;
@@ -1940,8 +1940,15 @@ static void rt5663_jack_detect_work(struct work_struct *work)
 				break;
 			}
 			/* button release or spurious interrput*/
-			if (btn_type == 0)
+			if (btn_type == 0) {
 				report =  rt5663->jack_type;
+				cancel_delayed_work_sync(
+					&rt5663->jd_unplug_work);
+			} else {
+				queue_delayed_work(system_wq,
+					&rt5663->jd_unplug_work,
+					msecs_to_jiffies(500));
+			}
 		}
 	} else {
 		/* jack out */
@@ -1962,6 +1969,37 @@ static void rt5663_jack_detect_work(struct work_struct *work)
 			    SND_JACK_BTN_2 | SND_JACK_BTN_3);
 }
 
+static void rt5663_jd_unplug_work(struct work_struct *work)
+{
+	struct rt5663_priv *rt5663 =
+		container_of(work, struct rt5663_priv, jd_unplug_work.work);
+	struct snd_soc_codec *codec = rt5663->codec;
+
+	if (!codec)
+		return;
+
+	if (!rt5663_check_jd_status(codec)) {
+		/* jack out */
+		switch (rt5663->codec_ver) {
+		case CODEC_VER_1:
+			rt5663_v2_jack_detect(rt5663->codec, 0);
+			break;
+		case CODEC_VER_0:
+			rt5663_jack_detect(rt5663->codec, 0);
+			break;
+		default:
+			dev_err(codec->dev, "Unknown CODEC Version\n");
+		}
+
+		snd_soc_jack_report(rt5663->hs_jack, 0, SND_JACK_HEADSET |
+				    SND_JACK_BTN_0 | SND_JACK_BTN_1 |
+				    SND_JACK_BTN_2 | SND_JACK_BTN_3);
+	} else {
+		queue_delayed_work(system_wq, &rt5663->jd_unplug_work,
+			msecs_to_jiffies(500));
+	}
+}
+
 static const struct snd_kcontrol_new rt5663_snd_controls[] = {
 	/* DAC Digital Volume */
 	SOC_DOUBLE_TLV("DAC Playback Volume", RT5663_STO1_DAC_DIG_VOL,
@@ -3556,6 +3594,7 @@ static int rt5663_i2c_probe(struct i2c_client *i2c,
 	}
 
 	INIT_DELAYED_WORK(&rt5663->jack_detect_work, rt5663_jack_detect_work);
+	INIT_DELAYED_WORK(&rt5663->jd_unplug_work, rt5663_jd_unplug_work);
 
 	if (i2c->irq) {
 		ret = request_irq(i2c->irq, rt5663_irq,