Re: [PATCH] asus-wmi: fix asus ux303ub brightness issue

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On Thu, Sep 01, 2016 at 07:16:10AM +0200, Corentin Chary wrote:
> On Sun, Aug 28, 2016 at 7:34 PM, Darren Hart <dvhart@xxxxxxxxxxxxx> wrote:
> > On Sun, Aug 28, 2016 at 04:12:06PM +0800, Zino Lin wrote:
> >> From: zino lin <linzino7@xxxxxxxxx>
> >>
> >> acpi_video0 doesn't work, asus-wmi brightness interface doesn't work, too.
> >> So, we use native brightness interface to handle the brightness adjustion,
> >> and add quirk_asus_ux303ub.
> >
> > Thanks Zino,
> >
> > +Rafael in case he has an opinion wrt to the acpi_video bit.
> >
> > Looking for an Ack from Corentin, but otherwise this looks fine to me.
> >
> >>
> >> Signed-off-by: zino lin <linzino7@xxxxxxxxx>
> >> ---
> >>  drivers/platform/x86/asus-nb-wmi.c | 13 +++++++++++++
> >>  drivers/platform/x86/asus-wmi.c    |  3 +++
> >>  drivers/platform/x86/asus-wmi.h    |  1 +
> >>  3 files changed, 17 insertions(+)
> >>
> >> diff --git a/drivers/platform/x86/asus-nb-wmi.c b/drivers/platform/x86/asus-nb-wmi.c
> >> index adecc1c..456ad8e 100644
> >> --- a/drivers/platform/x86/asus-nb-wmi.c
> >> +++ b/drivers/platform/x86/asus-nb-wmi.c
> >> @@ -87,6 +87,10 @@ static struct quirk_entry quirk_no_rfkill_wapf4 = {
> >>       .no_rfkill = true,
> >>  };
> >>
> >> +static struct quirk_entry quirk_asus_ux303ub = {
> >> +     .wmi_backlight_native = true,
> >> +};
> >> +
> >>  static int dmi_matched(const struct dmi_system_id *dmi)
> >>  {
> >>       quirks = dmi->driver_data;
> >> @@ -351,6 +355,15 @@ static const struct dmi_system_id asus_quirks[] = {
> >>               },
> >>               .driver_data = &quirk_no_rfkill,
> >>       },
> >> +     {
> >> +             .callback = dmi_matched,
> >> +             .ident = "ASUSTeK COMPUTER INC. UX303UB",
> >> +             .matches = {
> >> +                     DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
> >> +                     DMI_MATCH(DMI_PRODUCT_NAME, "UX303UB"),
> >> +             },
> >> +             .driver_data = &quirk_asus_ux303ub,
> >> +     },
> >>       {},
> >>  };
> >>
> >> diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
> >> index 7c093a0..ce6ca31 100644
> >> --- a/drivers/platform/x86/asus-wmi.c
> >> +++ b/drivers/platform/x86/asus-wmi.c
> >> @@ -2084,6 +2084,9 @@ static int asus_wmi_add(struct platform_device *pdev)
> >>       if (asus->driver->quirks->wmi_backlight_power)
> >>               acpi_video_set_dmi_backlight_type(acpi_backlight_vendor);
> >>
> >> +     if (asus->driver->quirks->wmi_backlight_native)
> >> +             acpi_video_set_dmi_backlight_type(acpi_backlight_native);
> >> +
> >>       if (acpi_video_get_backlight_type() == acpi_backlight_vendor) {
> >>               err = asus_wmi_backlight_init(asus);
> >>               if (err && err != -ENODEV)
> >> diff --git a/drivers/platform/x86/asus-wmi.h b/drivers/platform/x86/asus-wmi.h
> >> index 5de1df5..5e22041 100644
> >> --- a/drivers/platform/x86/asus-wmi.h
> >> +++ b/drivers/platform/x86/asus-wmi.h
> >> @@ -43,6 +43,7 @@ struct quirk_entry {
> >>       bool scalar_panel_brightness;
> >>       bool store_backlight_power;
> >>       bool wmi_backlight_power;
> >> +     bool wmi_backlight_native;
> >>       int wapf;
> >>       /*
> >>        * For machines with AMD graphic chips, it will send out WMI event
> >> --
> >> 2.7.4
> >>
> >>
> >
> > --
> > Darren Hart
> > Intel Open Source Technology Center
> 
> Acked-by: Corentin Chary <corentin.chary@xxxxxxxxx>

Queued to testing, thanks Zino and Corentin.

-- 
Darren Hart
Intel Open Source Technology Center
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