linux-kernel - Re: [PATCH 1/1] platform/x86/intel/hid: Don't wake on 5-button releases

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Date: Fri, 29 Mar 2024 14:51:47 +0100
From: "Linux regression tracking (Thorsten Leemhuis)"
 <regressions@...mhuis.info>
To: David McFarland <corngood@...il.com>, Chris Feng <chris.feng@...iatek.com>
Cc: "Rafael J . Wysocki" <rafael.j.wysocki@...el.com>,
 Alex Hung <alexhung@...il.com>, Hans de Goede <hdegoede@...hat.com>,
 Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>,
 "platform-driver-x86@...r.kernel.org" <platform-driver-x86@...r.kernel.org>,
 LKML <linux-kernel@...r.kernel.org>,
 Linux kernel regressions list <regressions@...ts.linux.dev>,
 linux-pm@...r.kernel.org
Subject: Re: [PATCH 1/1] platform/x86/intel/hid: Don't wake on 5-button
 releases

[CCing Chris, who authored the culprit; also CCing the platform folks
and a few lists]

On 18.03.24 20:11, David McFarland wrote:
> If, for example, the power button is configured to suspend, holding it
> and releasing it after the machine has suspended, will wake the machine.

David, from here is looks like this is stalled for ten days now. Or was
there some progress and I just missed it?

> Also on some machines, power button release events are sent during
> hibernation, even if the button wasn't used to hibernate the machine.
> This causes hibernation to be aborted.

>From the cover letter[1] is sounds a lot like a "Fixes: 0c4cae1bc00d31
("PM: hibernate: Avoid missing wakeup events during hibernation")" would
be appropriate here.

Regarding the patch itself: hopefully this mail will get things moving.

[1]
https://lore.kernel.org/linux-pm/20240318191153.6978-1-corngood@gmail.com/

Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat)
--
Everything you wanna know about Linux kernel regression tracking:
https://linux-regtracking.leemhuis.info/about/#tldr
If I did something stupid, please tell me, as explained on that page.

#regzbot poke

> Signed-off-by: David McFarland <corngood@...il.com>
>> ---
>  drivers/platform/x86/intel/hid.c | 8 +++++++-
>  1 file changed, 7 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/platform/x86/intel/hid.c b/drivers/platform/x86/intel/hid.c
> index 7457ca2b27a6..707de9895965 100644
> --- a/drivers/platform/x86/intel/hid.c
> +++ b/drivers/platform/x86/intel/hid.c
> @@ -504,6 +504,7 @@ static void notify_handler(acpi_handle handle, u32 event, void *context)
>  	struct platform_device *device = context;
>  	struct intel_hid_priv *priv = dev_get_drvdata(&device->dev);
>  	unsigned long long ev_index;
> +	struct key_entry *ke;
>  	int err;
>  
>  	/*
> @@ -545,11 +546,16 @@ static void notify_handler(acpi_handle handle, u32 event, void *context)
>  		if (event == 0xc0 || !priv->array)
>  			return;
>  
> -		if (!sparse_keymap_entry_from_scancode(priv->array, event)) {
> +		ke = sparse_keymap_entry_from_scancode(priv->array, event);
> +
> +		if (!ke) {
>  			dev_info(&device->dev, "unknown event 0x%x\n", event);
>  			return;
>  		}
>  
> +		if (ke->type == KE_IGNORE)
> +			return;
> +
>  wakeup:
>  		pm_wakeup_hard_event(&device->dev);
>