Hi.

On 17.09.2020 14:23, Hans de Goede wrote:
> Hi,
> 
> On 9/16/20 9:12 PM, Samuel Čavoj wrote:
> > The UX360CA has a WMI device id 0x00060062, which reports whether the
> > lid is flipped in tablet mode (1) or in normal laptop mode (0).
> > 
> > This commit adds a quirk (quirk_asus_use_lid_flip_devid) for devices on
> > which this WMI device should be used to figure out the SW_TABLET_MODE
> > state, as opposed to the quirk_asus_use_kbd_dock_devid.
> > 
> > It is assumed other UX360* models have the same WMI device. As such, the
> > quirk is applied to devices with DMI_MATCH(DMI_PRODUCT_NAME, "UX360").
> > More devices with this feature need to be tested and added accordingly.
> > 
> > The reason for using a whitelist via the quirk mechanism is that the new
> > WMI device (0x00060062) is also present on some models which do not have
> > a 360 degree hinge (at least FX503VD and GL503VD from Hans' DSTS
> > collection) and therefore its presence cannot be relied on.
> > 
> > This patch is a followup to "platform/x86: asus-wmi: Fix SW_TABLET_MODE
> > always reporting 1 on many different models" by Hans de Goede.
> > 
> > Signed-off-by: Samuel Čavoj <[email protected]>
> > Cc: Hans de Goede <[email protected]>
> > ---
> >   drivers/platform/x86/asus-nb-wmi.c         | 14 +++++++++++++
> >   drivers/platform/x86/asus-wmi.c            | 23 ++++++++++++++++++++++
> >   drivers/platform/x86/asus-wmi.h            |  1 +
> >   include/linux/platform_data/x86/asus-wmi.h |  1 +
> >   4 files changed, 39 insertions(+)
> > 
> > diff --git a/drivers/platform/x86/asus-nb-wmi.c 
> > b/drivers/platform/x86/asus-nb-wmi.c
> > index 345bd224494b..ae5501e07712 100644
> > --- a/drivers/platform/x86/asus-nb-wmi.c
> > +++ b/drivers/platform/x86/asus-nb-wmi.c
> > @@ -119,6 +119,10 @@ static struct quirk_entry 
> > quirk_asus_use_kbd_dock_devid = {
> >     .use_kbd_dock_devid = true,
> >   };
> > +static struct quirk_entry quirk_asus_use_lid_flip_devid = {
> > +   .use_lid_flip_devid = true,
> 
> 
> Note the default (quirk_asus_unknown) quirks set:
> 
>         .wmi_backlight_set_devstate = true,
> 
> So you're changing that to false for all devices using that
> quirk now.  I did not set this quirk for the transformer devices,
> since the quirk has to do with the handling of Fn + F7 (display off hotkey)
> by the embedded-controller. Since on transformer devices the keyboard is
> an USB device and not handled by the embedded-controller they do not need
> the wmi_backlight_set_devstate quirk, so I left it out. Chances are that
> your UX360 does need it. The purpose of the quirk is to make the embbedded
> controller send a KEY_DISPLAY_OFF event on FN + F7 and have it not do anything
> else (like turning off the backlight by itself).
> 
> TL;DR: you should probably add:         .wmi_backlight_set_devstate = true,
> to your new quirk_asus_use_lid_flip_devid quirk.
> 

Of course. I didn't notice that. Thank you.

Should I send a v2 right away, or do I wait for other potential
comments?

Regards,
Sam

> 
> 
> > +};
> > +
> >   static int dmi_matched(const struct dmi_system_id *dmi)
> >   {
> >     pr_info("Identified laptop model '%s'\n", dmi->ident);
> > @@ -520,6 +524,16 @@ static const struct dmi_system_id asus_quirks[] = {
> >             },
> >             .driver_data = &quirk_asus_use_kbd_dock_devid,
> >     },
> > +   {
> > +           .callback = dmi_matched,
> > +           .ident = "ASUS ZenBook Flip UX360",
> > +           .matches = {
> > +                   DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
> > +                   /* Match UX360* */
> > +                   DMI_MATCH(DMI_PRODUCT_NAME, "UX360"),
> > +           },
> > +           .driver_data = &quirk_asus_use_lid_flip_devid,
> > +   },
> >     {},
> >   };
> > diff --git a/drivers/platform/x86/asus-wmi.c 
> > b/drivers/platform/x86/asus-wmi.c
> > index ae6289d37faf..a628a7d9e066 100644
> > --- a/drivers/platform/x86/asus-wmi.c
> > +++ b/drivers/platform/x86/asus-wmi.c
> > @@ -63,6 +63,7 @@ MODULE_LICENSE("GPL");
> >   #define NOTIFY_KBD_BRTTOGGLE              0xc7
> >   #define NOTIFY_KBD_FBM                    0x99
> >   #define NOTIFY_KBD_TTP                    0xae
> > +#define NOTIFY_LID_FLIP                    0xfa
> >   #define ASUS_WMI_FNLOCK_BIOS_DISABLED     BIT(0)
> > @@ -375,6 +376,18 @@ static int asus_wmi_input_init(struct asus_wmi *asus)
> >             }
> >     }
> > +   if (asus->driver->quirks->use_lid_flip_devid) {
> > +           result = asus_wmi_get_devstate_simple(asus, 
> > ASUS_WMI_DEVID_LID_FLIP);
> > +           if (result >= 0) {
> > +                   input_set_capability(asus->inputdev, EV_SW, 
> > SW_TABLET_MODE);
> > +                   input_report_switch(asus->inputdev, SW_TABLET_MODE, 
> > result);
> > +           } else if (result == -ENODEV) {
> > +                   pr_err("This device has lid_flip quirk but got ENODEV 
> > checking it. This is a bug.");
> > +           } else {
> > +                   pr_err("Error checking for lid-flip: %d\n", result);
> > +           }
> > +   }
> > +
> >     err = input_register_device(asus->inputdev);
> >     if (err)
> >             goto err_free_dev;
> > @@ -2127,6 +2140,16 @@ static void asus_wmi_handle_event_code(int code, 
> > struct asus_wmi *asus)
> >             return;
> >     }
> > +   if (asus->driver->quirks->use_lid_flip_devid && code == 
> > NOTIFY_LID_FLIP) {
> > +           result = asus_wmi_get_devstate_simple(asus, 
> > ASUS_WMI_DEVID_LID_FLIP);
> > +
> > +           if (result >= 0) {
> > +                   input_report_switch(asus->inputdev, SW_TABLET_MODE, 
> > result);
> > +                   input_sync(asus->inputdev);
> > +           }
> > +           return;
> > +   }
> > +
> >     if (asus->fan_boost_mode_available && code == NOTIFY_KBD_FBM) {
> >             fan_boost_mode_switch_next(asus);
> >             return;
> > diff --git a/drivers/platform/x86/asus-wmi.h 
> > b/drivers/platform/x86/asus-wmi.h
> > index 1a95c172f94b..b302415bf1d9 100644
> > --- a/drivers/platform/x86/asus-wmi.h
> > +++ b/drivers/platform/x86/asus-wmi.h
> > @@ -34,6 +34,7 @@ struct quirk_entry {
> >     bool wmi_backlight_set_devstate;
> >     bool wmi_force_als_set;
> >     bool use_kbd_dock_devid;
> > +   bool use_lid_flip_devid;
> >     int wapf;
> >     /*
> >      * For machines with AMD graphic chips, it will send out WMI event
> > diff --git a/include/linux/platform_data/x86/asus-wmi.h 
> > b/include/linux/platform_data/x86/asus-wmi.h
> > index 897b8332a39f..2f274cf52805 100644
> > --- a/include/linux/platform_data/x86/asus-wmi.h
> > +++ b/include/linux/platform_data/x86/asus-wmi.h
> > @@ -62,6 +62,7 @@
> >   /* Misc */
> >   #define ASUS_WMI_DEVID_CAMERA             0x00060013
> > +#define ASUS_WMI_DEVID_LID_FLIP            0x00060062
> >   /* Storage */
> >   #define ASUS_WMI_DEVID_CARDREADER 0x00080013
> > 
> 
> Otherwise the patch looks good to me, thank you for the patch.
> 
> Regards,
> 
> Hans
> 

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