linux-kernel - Re: [PATCH 04/11] MFD: twl4030-audio: Add DT support

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Date:	Wed, 08 Aug 2012 17:31:19 +0300
From:	Peter Ujfalusi <peter.ujfalusi@...com>
To:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
CC:	Samuel Ortiz <sameo@...ux.intel.com>, Liam Girdwood <lrg@...com>,
	Tony Lindgren <tony@...mide.com>,
	Dmitry Torokhov <dtor@...l.ru>, alsa-devel@...a-project.org,
	linux-omap@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
	devicetree-discuss@...ts.ozlabs.org,
	Benoit Cousson <b-cousson@...com>
Subject: Re: [PATCH 04/11] MFD: twl4030-audio: Add DT support

On 08/08/2012 05:18 PM, Mark Brown wrote:
> I'm struggling to see any reason not to just hold the external mute on
> for the entire time the headset is powered off?

I think because it would mean in most cases that we keep a GPIO line enabled
during the time the HS is not in use, which burns power.
In most cases the mute is enabled when the GPIO line is up.

>> If you are OK with the hassle I can add a patch to the series for
>> include/linux/of.h to handle this.
> 
> Yes, please.

I'll wait for more comments and I'll include it to v2.

-- 
Péter
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