From: Bastien Nocera <hadess@hadess.net>
To: Daniel Drake <drake@endlessm.com>,
linux-acpi@vger.kernel.org, linux-input@vger.kernel.org
Cc: Linux Upstreaming Team <linux@endlessm.com>
Subject: Re: Support for ACPI0011 Generic Buttons Device
Date: Thu, 03 Nov 2016 14:30:13 +0100 [thread overview]
Message-ID: <1478179813.18960.46.camel@hadess.net> (raw)
In-Reply-To: <CAD8Lp4553c8U=XfzbiXsKYgj_PKnVjmk9MdB3j=O-pPt9yi7BQ@mail.gmail.com>
On Thu, 2016-11-03 at 07:24 -0600, Daniel Drake wrote:
> Hi,
>
> We are working with a new consumer laptop model which has physical
> volume up/down keys on the left side of the chassis.
>
> It appears that these buttons are driven by the ACPI0011 Generic
> Buttons Device defined in section 9.19 of the ACPI spec. The _DSD has
> entries for the appropriate HID codes for volume up/down which can
> also be seen in examples here:
>
> https://msdn.microsoft.com/en-us/windows/hardware/drivers/hid/acpi-bu
> tton-device
>
> I can't see a Linux driver for this ACPI0011 interface, is one
> planned?
drivers/input/misc/soc_button_array.c has an implementation of the
"Windows compatible button array":
https://msdn.microsoft.com/en-us/windows/hardware/drivers/bringup/other-acpi-namespace-objects#windows-compatible-button-array
Looks pretty similar.
prev parent reply other threads:[~2016-11-03 13:30 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-03 13:24 Support for ACPI0011 Generic Buttons Device Daniel Drake
2016-11-03 13:30 ` Bastien Nocera [this message]
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