linux-kernel - Re: [PATCH v2] toshiba_acpi: Fix keyboard backight sysfs entries not being updated

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Message-ID: <20151123185808.GT7413@malice.jf.intel.com>
Date:	Mon, 23 Nov 2015 10:58:08 -0800
From:	Darren Hart <dvhart@...radead.org>
To:	Azael Avalos <coproscefalo@...il.com>
Cc:	platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] toshiba_acpi: Fix keyboard backight sysfs entries not
 being updated

On Mon, Nov 23, 2015 at 10:51:30AM -0700, Azael Avalos wrote:
> Certain Toshiba models with the second generation keyboard backlight
> (type 2) do not generate the keyboard backlight changed event (0x92),
> and thus, the sysfs entries are never being updated.
> 
> This patch adds a workquee and a global boolean variable to address
> the issue.
> 
> For those models that do generate the event, the sysfs entries are
> being updated via the *notify function and the boolean is set to
> true to avoid a second call to update the entries.
> 
> For those models that do not generate the event, the workquee is
> used to update the sysfs entries and also to emulate the event via
> netlink, to make userspace aware of such change.
> 
> Signed-off-by: Azael Avalos <coproscefalo@...il.com>

Queued to testing, thanks!

-- 
Darren Hart
Intel Open Source Technology Center
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