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Commit 68defe58 authored by Mark Brown's avatar Mark Brown
Browse files

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: default avatarMark Brown <broonie@linaro.org>
Acked-by: default avatarViresh Kumar <viresh.kumar@linaro.org>
parent 57e265c8

sound/soc/codecs/wm8994.c

+14 −9
Original line number Diff line number Diff line
@@ -819,7 +819,8 @@ 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,

			queue_delayed_work(system_power_efficient_wq,

					   &wm8994->jackdet_bootstrap,

					   msecs_to_jiffies(1000));

			wm8994->clk_has_run = true;

		}
@@ -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;

}
@@ -3575,7 +3577,8 @@ 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,

		queue_delayed_work(system_power_efficient_wq,

				   &wm8994->open_circuit_work,

				   msecs_to_jiffies(2500));

		return;

	}
@@ -3690,7 +3693,8 @@ 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,

		queue_delayed_work(system_power_efficient_wq,

				   &wm8994->mic_work,

				   msecs_to_jiffies(delay));

	} else {

		dev_dbg(codec->dev, "Jack not detected\n");
@@ -3940,7 +3944,8 @@ 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,

		queue_delayed_work(system_power_efficient_wq,

				   &wm8994->mic_complete_work,

				   msecs_to_jiffies(id_delay));

	else

		wm8958_button_det(codec, reg);