From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vignesh R Subject: [PATCH 1/3] Input: ti_am335x_tsc - Mark IRQ as wakeup capable Date: Mon, 16 May 2016 16:56:22 +0530 Message-ID: <1463397984-15766-2-git-send-email-vigneshr@ti.com> References: <1463397984-15766-1-git-send-email-vigneshr@ti.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from devils.ext.ti.com ([198.47.26.153]:57929 "EHLO devils.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753109AbcEPL0r (ORCPT ); Mon, 16 May 2016 07:26:47 -0400 In-Reply-To: <1463397984-15766-1-git-send-email-vigneshr@ti.com> Sender: linux-input-owner@vger.kernel.org List-Id: linux-input@vger.kernel.org To: Dmitry Torokhov , Lee Jones Cc: Vignesh R , Grygorii Strashko , Dave Gerlach , linux-input@vger.kernel.org, linux-kernel@vger.kernel.org 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 --- drivers/input/touchscreen/ti_am335x_tsc.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/input/touchscreen/ti_am335x_tsc.c b/drivers/input/touchscreen/ti_am335x_tsc.c index 8b3f15ca7725..f9fefbe337b9 100644 --- a/drivers/input/touchscreen/ti_am335x_tsc.c +++ b/drivers/input/touchscreen/ti_am335x_tsc.c @@ -27,6 +27,7 @@ #include #include #include +#include #include @@ -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); @@ -462,6 +469,7 @@ static int titsc_probe(struct platform_device *pdev) return 0; err_free_irq: + dev_pm_clear_wake_irq(tscadc_dev->dev); free_irq(ts_dev->irq, ts_dev); err_free_mem: input_free_device(input_dev); @@ -474,6 +482,7 @@ static int titsc_remove(struct platform_device *pdev) struct titsc *ts_dev = platform_get_drvdata(pdev); u32 steps; + dev_pm_clear_wake_irq(ts_dev->mfd_tscadc->dev); free_irq(ts_dev->irq, ts_dev); /* total steps followed by the enable mask */ -- 2.8.2