linux-kernel - Re: [PATCH] HID: i2c-hid: use correct type for ACPI

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Date:	Mon, 19 Aug 2013 15:39:50 +0200
From:	Benjamin Tissoires <benjamin.tissoires@...hat.com>
To:	Mika Westerberg <mika.westerberg@...ux.intel.com>
CC:	linux-kernel@...r.kernel.org, Jiri Kosina <jkosina@...e.cz>
Subject: Re: [PATCH] HID: i2c-hid: use correct type for ACPI _DSM parameter

On 19/08/13 13:01, Mika Westerberg wrote:
> ACPI 5.0 specification requires the fourth parameter to the _DSM (Device
> Specific Method) to be of type package instead of integer. Failing to do
> that we get following warning on the console:
> 
>   ACPI Warning: \_SB_.PCI0.I2C1.TPL0._DSM: Argument #4 type mismatch - Found [Integer],
>                 ACPI requires [Package] (20130517/nsarguments-95)
> 
> Fix this by passing an empty package to the _DSM method. The HID over I2C
> specification doesn't require any specific values to be passed with this
> parameter.
> 
> Signed-off-by: Mika Westerberg <mika.westerberg@...ux.intel.com>
> ---

Looks simple and straightforward :)

Reviewed-by: Benjamin Tissoires <benjamin.tissoires@...hat.com>

Cheers,
Benjamin
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