From: "Pali Rohár" <pali.rohar@gmail.com>
To: Gabriele Mazzotta <gabriele.mzt@gmail.com>
Cc: dvhart@infradead.org, platform-driver-x86@vger.kernel.org,
linux-kernel@vger.kernel.org,
Andrei Borzenkov <arvidjaar@gmail.com>
Subject: Re: [PATCH] dell-rbtn: Ignore ACPI notifications if device is suspended
Date: Mon, 23 Nov 2015 15:48:58 +0100 [thread overview]
Message-ID: <20151123144858.GE24147@pali> (raw)
In-Reply-To: <1448115375-7315-1-git-send-email-gabriele.mzt@gmail.com>
On Saturday 21 November 2015 15:16:15 Gabriele Mazzotta wrote:
> Some BIOSes unconditionally send an ACPI notification to RBTN when the
> system is resuming from suspend. This makes dell-rbtn send an input
> event to userspace as if a function key was pressed. Prevent this by
> ignoring all the notifications received while the device is suspended.
>
> Link: https://bugzilla.kernel.org/show_bug.cgi?id=106031
> Signed-off-by: Gabriele Mazzotta <gabriele.mzt@gmail.com>
Andrei Borzenkov (CCed) tested this patch and patch does not fix bug.
Probably there is race condition and ACPI event is sent *after* function
rbtn_resume is called.
--
Pali Rohár
pali.rohar@gmail.com
next prev parent reply other threads:[~2015-11-23 14:49 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-21 14:16 [PATCH] dell-rbtn: Ignore ACPI notifications if device is suspended Gabriele Mazzotta
2015-11-21 19:18 ` Pali Rohár
2015-11-23 14:48 ` Pali Rohár [this message]
2015-11-23 19:24 ` Darren Hart
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