ASoC: wm8994: Use power efficient workqueue

The accessory detect debounce work is not performance sensitive so let
the scheduler run it wherever is most efficient rather than in a per CPU
workqueue by using the system power efficient workqueue.

Signed-off-by: Mark Brown <broonie@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>

diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index 02c320f71cdfa9452bca45361b207048e3e8b1fa..24131a7f9390c61493cb617baadfd90479ff9b2e 100644 (file)
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -819,8 +819,9 @@ static int clk_sys_event(struct snd_soc_dapm_widget *w,
                 * don't want false reports.
                 */
                if (wm8994->jackdet && !wm8994->clk_has_run) {
-                       schedule_delayed_work(&wm8994->jackdet_bootstrap,
-                                             msecs_to_jiffies(1000));
+                       queue_delayed_work(system_power_efficient_wq,
+                                          &wm8994->jackdet_bootstrap,
+                                          msecs_to_jiffies(1000));
                        wm8994->clk_has_run = true;
                }
                break;
@@ -3487,7 +3488,8 @@ static irqreturn_t wm8994_mic_irq(int irq, void *data)
 
        pm_wakeup_event(codec->dev, 300);
 
-       schedule_delayed_work(&priv->mic_work, msecs_to_jiffies(250));
+       queue_delayed_work(system_power_efficient_wq,
+                          &priv->mic_work, msecs_to_jiffies(250));
 
        return IRQ_HANDLED;
 }
@@ -3575,8 +3577,9 @@ static void wm8958_mic_id(void *data, u16 status)
                /* If nothing present then clear our statuses */
                dev_dbg(codec->dev, "Detected open circuit\n");
 
-               schedule_delayed_work(&wm8994->open_circuit_work,
-                                     msecs_to_jiffies(2500));
+               queue_delayed_work(system_power_efficient_wq,
+                                  &wm8994->open_circuit_work,
+                                  msecs_to_jiffies(2500));
                return;
        }
 
@@ -3690,8 +3693,9 @@ static irqreturn_t wm1811_jackdet_irq(int irq, void *data)
                                    WM1811_JACKDET_DB, 0);
 
                delay = control->pdata.micdet_delay;
-               schedule_delayed_work(&wm8994->mic_work,
-                                     msecs_to_jiffies(delay));
+               queue_delayed_work(system_power_efficient_wq,
+                                  &wm8994->mic_work,
+                                  msecs_to_jiffies(delay));
        } else {
                dev_dbg(codec->dev, "Jack not detected\n");
 
@@ -3940,8 +3944,9 @@ static irqreturn_t wm8958_mic_irq(int irq, void *data)
        id_delay = wm8994->wm8994->pdata.mic_id_delay;
 
        if (wm8994->mic_detecting)
-               schedule_delayed_work(&wm8994->mic_complete_work,
-                                     msecs_to_jiffies(id_delay));
+               queue_delayed_work(system_power_efficient_wq,
+                                  &wm8994->mic_complete_work,
+                                  msecs_to_jiffies(id_delay));
        else
                wm8958_button_det(codec, reg);