linux-kernel - RE: [PATCH 2/2] input: imx_sc

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Message-ID: <DU0PR04MB94172C2BBB554E472576B2BA889B9@DU0PR04MB9417.eurprd04.prod.outlook.com>
Date:   Wed, 12 Apr 2023 12:19:00 +0000
From:   Peng Fan <peng.fan@....com>
To:     Dmitry Torokhov <dmitry.torokhov@...il.com>,
        "Peng Fan (OSS)" <peng.fan@....nxp.com>
CC:     "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "krzysztof.kozlowski+dt@...aro.org" 
        <krzysztof.kozlowski+dt@...aro.org>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        Aisheng Dong <aisheng.dong@....com>,
        "linux-input@...r.kernel.org" <linux-input@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
        "festevam@...il.com" <festevam@...il.com>,
        dl-linux-imx <linux-imx@....com>
Subject: RE: [PATCH 2/2] input: imx_sc_key: add wakeup support

> Subject: Re: [PATCH 2/2] input: imx_sc_key: add wakeup support
> 
> On Thu, Mar 23, 2023 at 05:31:41PM +0800, Peng Fan (OSS) wrote:
> > From: Peng Fan <peng.fan@....com>
> >
> > Add support for waking up from system wide suspend.
> >
> > Signed-off-by: Peng Fan <peng.fan@....com>
> > ---
> >  drivers/input/keyboard/imx_sc_key.c | 2 ++
> >  1 file changed, 2 insertions(+)
> >
> > diff --git a/drivers/input/keyboard/imx_sc_key.c
> b/drivers/input/keyboard/imx_sc_key.c
> > index d18839f1f4f6..234f23cf9990 100644
> > --- a/drivers/input/keyboard/imx_sc_key.c
> > +++ b/drivers/input/keyboard/imx_sc_key.c
> > @@ -151,6 +151,8 @@ static int imx_sc_key_probe(struct
> platform_device *pdev)
> >  	priv->input = input;
> >  	platform_set_drvdata(pdev, priv);
> >
> > +	device_init_wakeup(&pdev->dev,
> device_property_read_bool(&pdev->dev, "wakeup-source"));
> > +
> 
> I wonder - could we move this to the device core?

I see lots device drivers parse wakeup-source, so I also follow
That. Not sure whether could move this feature to device core,
but anyway I could give a try.

Thanks,
Peng.
> 
> >  	error = imx_scu_irq_group_enable(SC_IRQ_GROUP_WAKE,
> SC_IRQ_BUTTON,
> >  					 true);
> >  	if (error) {
> > --
> > 2.37.1
> >
> 
> Thanks.
> 
> --
> Dmitry