* [PATCH] Input: ti_am335x_tsc - Mark IRQ as wakeup capable
@ 2016-05-06 10:16 Vignesh R
2016-05-06 15:50 ` R, Vignesh
0 siblings, 1 reply; 2+ messages in thread
From: Vignesh R @ 2016-05-06 10:16 UTC (permalink / raw)
To: Dmitry Torokhov
Cc: Dave Gerlach, Vignesh R, linux-input, linux-kernel, linux-omap
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@ti.com>
---
drivers/input/touchscreen/ti_am335x_tsc.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/input/touchscreen/ti_am335x_tsc.c b/drivers/input/touchscreen/ti_am335x_tsc.c
index 8b3f15ca7725..423f275ffab8 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>
@@ -432,6 +433,12 @@ static int titsc_probe(struct platform_device *pdev)
goto err_free_mem;
}
+ if (device_may_wakeup(tscadc_dev->dev)) {
+ err = dev_pm_set_wake_irq(tscadc_dev->dev, ts_dev->irq);
+ if (err)
+ dev_err(&pdev->dev, "irq wake enable failed.\n");
+ }
+
titsc_writel(ts_dev, REG_IRQENABLE, IRQENB_FIFO0THRES);
titsc_writel(ts_dev, REG_IRQENABLE, IRQENB_EOS);
err = titsc_config_wires(ts_dev);
--
2.8.2
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] Input: ti_am335x_tsc - Mark IRQ as wakeup capable
2016-05-06 10:16 [PATCH] Input: ti_am335x_tsc - Mark IRQ as wakeup capable Vignesh R
@ 2016-05-06 15:50 ` R, Vignesh
0 siblings, 0 replies; 2+ messages in thread
From: R, Vignesh @ 2016-05-06 15:50 UTC (permalink / raw)
To: Dmitry Torokhov; +Cc: Dave Gerlach, linux-input, linux-kernel, linux-omap
On 5/6/2016 3:46 PM, Vignesh R wrote:
> 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@ti.com>
> ---
> drivers/input/touchscreen/ti_am335x_tsc.c | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/drivers/input/touchscreen/ti_am335x_tsc.c b/drivers/input/touchscreen/ti_am335x_tsc.c
> index 8b3f15ca7725..423f275ffab8 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>
>
> @@ -432,6 +433,12 @@ static int titsc_probe(struct platform_device *pdev)
> goto err_free_mem;
> }
>
> + if (device_may_wakeup(tscadc_dev->dev)) {
> + err = dev_pm_set_wake_irq(tscadc_dev->dev, ts_dev->irq);
> + if (err)
> + dev_err(&pdev->dev, "irq wake enable failed.\n");
> + }
> +
I forgot dev_pm_clear_wake_irq() here. Will repost, sorry for the noise.
Regards
Vignesh
^ permalink raw reply [flat|nested] 2+ messages in thread
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