linux-kernel - Re: [PATCH] platform/x86: dell-wmi: Ignore new keyboard backlight change event

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Message-ID: <CAHp75VfA+UYPGBZVxUqk90dsifrs-LkN_vDDrrq-rcMMeH6tdw@mail.gmail.com>
Date:   Tue, 5 Feb 2019 19:35:27 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Kai-Heng Feng <kai.heng.feng@...onical.com>
Cc:     Darren Hart <dvhart@...radead.org>,
        Pali Rohár <pali.rohar@...il.com>,
        Matthew Garrett <mjg59@...f.ucam.org>,
        Andy Shevchenko <andy@...radead.org>,
        Mario Limonciello <mario.limonciello@...l.com>,
        Platform Driver <platform-driver-x86@...r.kernel.org>,
        lkml <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] platform/x86: dell-wmi: Ignore new keyboard backlight
 change event

On Thu, Jan 24, 2019 at 8:27 AM Kai-Heng Feng
<kai.heng.feng@...onical.com> wrote:
>
> Hi Darren,
>
> > On Dec 12, 2018, at 22:06, Pali Rohár <pali.rohar@...il.com> wrote:
> >
> > On Wednesday 12 December 2018 14:41:25 Kai-Heng Feng wrote:
> >> There's a new wmi event generated by dell-wmi when pressing keyboard
> >> backlight hotkey:
> >> [ 3285.474172] dell_wmi: Unknown key with type 0x0010 and code 0x003f pressed
> >>
> >> This event is for notification purpose, let's ignore it. The keyboard
> >> backlight hotkey uses another event so it still works without event
> >> 0x3f.

Pushed to my review and testing queue, thanks!

> >>
> >> Signed-off-by: Kai-Heng Feng <kai.heng.feng@...onical.com>
> >> ---
> >> drivers/platform/x86/dell-wmi.c | 3 +++
> >> 1 file changed, 3 insertions(+)
> >>
> >> diff --git a/drivers/platform/x86/dell-wmi.c b/drivers/platform/x86/dell-wmi.c
> >> index 16c7f3d9a335..c3166ba73e9a 100644
> >> --- a/drivers/platform/x86/dell-wmi.c
> >> +++ b/drivers/platform/x86/dell-wmi.c
> >> @@ -267,6 +267,9 @@ static const struct key_entry dell_wmi_keymap_type_0010[] = {
> >>      /* Fn-lock switched to multimedia keys */
> >>      { KE_IGNORE, 0x1, { KEY_RESERVED } },
> >>
> >> +    /* Keyboard backlight change notification */
> >> +    { KE_IGNORE, 0x3f, { KEY_RESERVED } },
> >> +
> >>      /* Mic mute */
> >>      { KE_KEY, 0x150, { KEY_MICMUTE } },
> >>
> >
> > Looks good.
> >
> > Reviewed-by: Pali Rohár <pali.rohar@...il.com>
>
> Please merge this patch, thanks.
>
> Kai-Heng
>
> >
> > --
> > Pali Rohár
> > pali.rohar@...il.com
>


-- 
With Best Regards,
Andy Shevchenko