Commit 7a39915b authored by Vignesh R's avatar Vignesh R Committed by Lee Jones
Browse files

Input: ti_am335x_tsc: Mark IRQ as wakeup capable 



On AM335x, ti_am335x_tsc can wake up the system from suspend, mark the
IRQ as wakeup capable, so that device irq is not disabled during system
suspend.

Signed-off-by: default avatarVignesh R <vigneshr@ti.com>
Acked-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
parent 9eea8326

drivers/input/touchscreen/ti_am335x_tsc.c

+6 −0
Original line number Diff line number Diff line
@@ -27,6 +27,7 @@ 
#include <linux/of.h>

#include <linux/of_device.h>

#include <linux/sort.h>

#include <linux/pm_wakeirq.h>



#include <linux/mfd/ti_am335x_tscadc.h>
@@ -439,6 +440,9 @@ static int titsc_probe(struct platform_device *pdev) 
	}



	device_init_wakeup(&pdev->dev, true);

	err = dev_pm_set_wake_irq(&pdev->dev, ts_dev->irq);

	if (err)

		dev_err(&pdev->dev, "irq wake enable failed.\n");



	titsc_writel(ts_dev, REG_IRQSTATUS, TSC_IRQENB_MASK);

	titsc_writel(ts_dev, REG_IRQENABLE, IRQENB_FIFO0THRES);
@@ -471,6 +475,7 @@ static int titsc_probe(struct platform_device *pdev) 
	return 0;



err_free_irq:

	dev_pm_clear_wake_irq(&pdev->dev);

	device_init_wakeup(&pdev->dev, false);

	free_irq(ts_dev->irq, ts_dev);

err_free_mem:
@@ -484,6 +489,7 @@ static int titsc_remove(struct platform_device *pdev) 
	struct titsc *ts_dev = platform_get_drvdata(pdev);

	u32 steps;



	dev_pm_clear_wake_irq(&pdev->dev);

	device_init_wakeup(&pdev->dev, false);

	free_irq(ts_dev->irq, ts_dev);

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