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>

1 files changed, 14 insertions, 9 deletions

diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index 02c320f71cdf..24131a7f9390 100644
--- 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);