Re: [PATCH v4 5/5] platform/x86: acer-wmi: Ignore AC events

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On Tue, 10 Dec 2024, Armin Wolf wrote:

> Am 10.12.24 um 03:16 schrieb Kurt Borja:
> 
> > On Tue, Dec 10, 2024 at 01:16:57AM +0100, Armin Wolf wrote:
> > > On the Acer Swift SFG14-41, the events 8 - 1 and 8 - 0 are printed on
> > > AC connect/disconnect. Ignore those events to avoid spamming the
> > > kernel log with error messages.
> > I noticed acer_thermal_profile_change() behavior changed whether the
> > laptop was on AC or not. Maybe users expect some kind of behavior around
> > thermal profiles with this event? Like switching to low-power when not
> > on AC or something like that.
> > 
> > ~ Kurt
> 
> Good question, i will ask the person with the Acer notebook to test if the
> platform
> profile changes automatically when switching to AC.
> 
> The other however patches can be taken regardless of this patch.

I took patches now 1-4 but left the 5th for now.

-- 
 i.

> Thanks,
> Armin Wolf
> 
> > > Reported-by: Farhan Anwar <farhan.anwar8@xxxxxxxxx>
> > > Closes:
> > > https://lore.kernel.org/platform-driver-x86/2ffb529d-e7c8-4026-a3b8-120c8e7afec8@xxxxxxxxx
> > > Tested-by: Rayan Margham <rayanmargham4@xxxxxxxxx>
> > > Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx>
> > > Signed-off-by: Armin Wolf <W_Armin@xxxxxx>
> > > ---
> > >   drivers/platform/x86/acer-wmi.c | 4 ++++
> > >   1 file changed, 4 insertions(+)
> > > 
> > > diff --git a/drivers/platform/x86/acer-wmi.c
> > > b/drivers/platform/x86/acer-wmi.c
> > > index aad8eb0ddae5..ef26ec8d90ea 100644
> > > --- a/drivers/platform/x86/acer-wmi.c
> > > +++ b/drivers/platform/x86/acer-wmi.c
> > > @@ -99,6 +99,7 @@ enum acer_wmi_event_ids {
> > >   	WMID_HOTKEY_EVENT = 0x1,
> > >   	WMID_ACCEL_OR_KBD_DOCK_EVENT = 0x5,
> > >   	WMID_GAMING_TURBO_KEY_EVENT = 0x7,
> > > +	WMID_AC_EVENT = 0x8,
> > >   };
> > > 
> > >   enum acer_wmi_predator_v4_sys_info_command {
> > > @@ -2304,6 +2305,9 @@ static void acer_wmi_notify(union acpi_object *obj,
> > > void *context)
> > >   		if (return_value.key_num == 0x5 &&
> > > has_cap(ACER_CAP_PLATFORM_PROFILE))
> > >   			acer_thermal_profile_change();
> > >   		break;
> > > +	case WMID_AC_EVENT:
> > > +		/* We ignore AC events here */
> > > +		break;
> > >   	default:
> > >   		pr_warn("Unknown function number - %d - %d\n",
> > >   			return_value.function, return_value.key_num);
> > > --
> > > 2.39.5
> > > 
> 

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