ASoC: rt5645: Add the workqueue of the jack detect function for the debouncing
authorOder Chiou <oder_chiou@realtek.com>
Tue, 7 Oct 2014 02:25:37 +0000 (10:25 +0800)
committerMark Brown <broonie@kernel.org>
Mon, 20 Oct 2014 11:22:09 +0000 (12:22 +0100)
Add the workqueue of the jack detect function for the debouncing.

Signed-off-by: Oder Chiou <oder_chiou@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
sound/soc/codecs/rt5645.c
sound/soc/codecs/rt5645.h

index 3fb83bf09768347f1bcd469d2be9be4b56ea62e2..57ba74292259846fac414ac39ec684b7333290ec 100644 (file)
@@ -2166,11 +2166,20 @@ int rt5645_set_jack_detect(struct snd_soc_codec *codec,
 }
 EXPORT_SYMBOL_GPL(rt5645_set_jack_detect);
 
+static void rt5645_jack_detect_work(struct work_struct *work)
+{
+       struct rt5645_priv *rt5645 =
+               container_of(work, struct rt5645_priv, jack_detect_work.work);
+
+       rt5645_jack_detect(rt5645->codec, rt5645->jack);
+}
+
 static irqreturn_t rt5645_irq(int irq, void *data)
 {
        struct rt5645_priv *rt5645 = data;
 
-       rt5645_jack_detect(rt5645->codec, rt5645->jack);
+       queue_delayed_work(system_power_efficient_wq,
+                          &rt5645->jack_detect_work, msecs_to_jiffies(250));
 
        return IRQ_HANDLED;
 }
@@ -2436,6 +2445,8 @@ static int rt5645_i2c_probe(struct i2c_client *i2c,
                        dev_err(&i2c->dev, "Fail gpio_direction hp_det_gpio\n");
        }
 
+       INIT_DELAYED_WORK(&rt5645->jack_detect_work, rt5645_jack_detect_work);
+
        return snd_soc_register_codec(&i2c->dev, &soc_codec_dev_rt5645,
                                      rt5645_dai, ARRAY_SIZE(rt5645_dai));
 }
@@ -2447,6 +2458,8 @@ static int rt5645_i2c_remove(struct i2c_client *i2c)
        if (i2c->irq)
                free_irq(i2c->irq, rt5645);
 
+       cancel_delayed_work_sync(&rt5645->jack_detect_work);
+
        if (gpio_is_valid(rt5645->pdata.hp_det_gpio))
                gpio_free(rt5645->pdata.hp_det_gpio);
 
index 50c62c5668ea61220fda047ea35b97542630ed0c..5ec2520614d2714e8fc6a023cfd4ea47a77ba166 100644 (file)
@@ -2168,6 +2168,7 @@ struct rt5645_priv {
        struct regmap *regmap;
        struct i2c_client *i2c;
        struct snd_soc_jack *jack;
+       struct delayed_work jack_detect_work;
 
        int sysclk;
        int sysclk_src;