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: Vignesh R <vigneshr@xxxxxx> --- drivers/input/touchscreen/ti_am335x_tsc.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/input/touchscreen/ti_am335x_tsc.c b/drivers/input/touchscreen/ti_am335x_tsc.c index a4f25a915ffc..9e8684ab48f4 100644 --- a/drivers/input/touchscreen/ti_am335x_tsc.c +++ b/drivers/input/touchscreen/ti_am335x_tsc.c @@ -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); -- 2.18.0 -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
