From mboxrd@z Thu Jan  1 00:00:00 1970
From: Takashi Iwai <tiwai@suse.de>
Subject: Re: [PATCH v3 3/3] ALSA: hda: add support for Huawei WMI micmute LED
Date: Tue, 20 Nov 2018 08:07:09 +0100
Message-ID: <s5hr2fgfcrm.wl-tiwai@suse.de>
References: <20181108171701.4444-1-ayman.bagabas@gmail.com>
        <20181108171701.4444-4-ayman.bagabas@gmail.com>
        <20181119235713.GB7367@amd>
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Sender: linux-kernel-owner@vger.kernel.org
To: Pavel Machek <pavel@ucw.cz>
Cc: Ayman Bagabas <ayman.bagabas@gmail.com>, alsa-devel@alsa-project.org, Hui Wang <hui.wang@canonical.com>, Andy Shevchenko <andy@infradead.org>, Darren Hart <dvhart@infradead.org>, Jaroslav Kysela <perex@perex.cz>, Kailang Yang <kailang@realtek.com>, linux-kernel@vger.kernel.org, platform-driver-x86@vger.kernel.org
List-Id: platform-driver-x86.vger.kernel.org

On Tue, 20 Nov 2018 00:57:13 +0100,
Pavel Machek wrote:
> 
> > +#if IS_ENABLED(CONFIG_HUAWEI_LAPTOP)
> > +#include <linux/platform_data/x86/huawei_wmi.h>
> > +
> > +static int (*huawei_wmi_micmute_led_set_func)(bool);
> > +
> 
> So we should not be doing this.
> 
> Thinkpad ACPI module exports its LEDs there, for example.

Both thinkpad_acpi and dell_laptop provide the interface to HD-audio
in the very same way like this.


thanks,

Takashi