linux-kernel - Re: [PATCH v2] ASoC: rt5645: Introduce mapping for ACPI-defined GPIO

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Message-ID: <CAOQ7t2ZHisZRPq6tKL3QNuKWQFNpVpJ-DoPdM80jMx8u7J=fBg@mail.gmail.com>
Date:   Thu, 15 Feb 2018 09:11:10 +0000
From:   Carlo Caione <carlo@...one.org>
To:     open list <linux-kernel@...r.kernel.org>
Cc:     Linux Upstreaming Team <linux@...lessm.com>, bardliao@...ltek.com,
        oder_chiou@...ltek.com, alsa-devel@...a-project.org,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        Carlo Caione <carlo@...lessm.com>,
        Hans De Goede <hdegoede@...hat.com>
Subject: Re: [PATCH v2] ASoC: rt5645: Introduce mapping for ACPI-defined GPIO

On Fri, Feb 9, 2018 at 2:23 PM, Carlo Caione <carlo@...one.org> wrote:
> From: Carlo Caione <carlo@...lessm.com>
>
> On at least one notebook (ECS EF20EA) the 'hp-detect' GPIO is defined in
> the DSDT table by the ACPI GpioIo resources in _CRS. Add this mapping to
> the rt5645 driver to enable the jack detection also on non-DT platforms.

Please do not merge this yet, I'll submit a V3 soon.
Hans pointed out that on some BayTrail there is indeed an extra GPIO
but it is used to enable the external speaker amplifier. Better to
guard this by a quirk.

Cheers,

-- 
Carlo Caione