ASoC: rt5682: add delay time of workqueue to control next IRQ event

This patch keeps the delay time (50 ms) for jack detection and zero delay time for the button press.
This patch improves the reaction of the button press.
Signed-off-by: Shuming Fan <shumingf@realtek.com>
Link: https://lore.kernel.org/r/20210309085827.32032-1-shumingf@realtek.com
Tested-by Curtis Malainey <cujomalainey@chromium.org>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/rt5682-i2c.c

@@ -78,7 +78,7 @@ static irqreturn_t rt5682_irq(int irq, void *data)
 	struct rt5682_priv *rt5682 = data;
 
 	mod_delayed_work(system_power_efficient_wq,
-		&rt5682->jack_detect_work, msecs_to_jiffies(250));
+		&rt5682->jack_detect_work, msecs_to_jiffies(rt5682->irq_work_delay_time));
 
 	return IRQ_HANDLED;
 }

sound/soc/codecs/rt5682-sdw.c

@@ -677,7 +677,7 @@ static int rt5682_interrupt_callback(struct sdw_slave *slave,
 
 	if (status->control_port & 0x4) {
 		mod_delayed_work(system_power_efficient_wq,
-			&rt5682->jack_detect_work, msecs_to_jiffies(250));
+			&rt5682->jack_detect_work, msecs_to_jiffies(rt5682->irq_work_delay_time));
 	}
 
 	return 0;

sound/soc/codecs/rt5682.c

@@ -1094,6 +1094,7 @@ void rt5682_jack_detect_handler(struct work_struct *work)
 			/* jack was out, report jack type */
 			rt5682->jack_type =
 				rt5682_headset_detect(rt5682->component, 1);
+			rt5682->irq_work_delay_time = 0;
 		} else if ((rt5682->jack_type & SND_JACK_HEADSET) ==
 			SND_JACK_HEADSET) {
 			/* jack is already in, report button event */
@@ -1139,6 +1140,7 @@ void rt5682_jack_detect_handler(struct work_struct *work)
 	} else {
 		/* jack out */
 		rt5682->jack_type = rt5682_headset_detect(rt5682->component, 0);
+		rt5682->irq_work_delay_time = 50;
 	}
 
 	snd_soc_jack_report(rt5682->hs_jack, rt5682->jack_type,

sound/soc/codecs/rt5682.h

@@ -1439,6 +1439,7 @@ struct rt5682_priv {
 	int pll_out[RT5682_PLLS];
 
 	int jack_type;
+	int irq_work_delay_time;
 };
 
 extern const char *rt5682_supply_names[RT5682_NUM_SUPPLIES];