linux-kernel - Re: [PATCH v2 18/19] ASoC: tlv320aic31xx: Add headphone/headset detection

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Date:   Wed, 6 Dec 2017 17:52:23 +0000
From:   Mark Brown <broonie@...nel.org>
To:     "Andrew F. Davis" <afd@...com>
Cc:     Liam Girdwood <lgirdwood@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Benoît Cousson <bcousson@...libre.com>,
        Tony Lindgren <tony@...mide.com>, alsa-devel@...a-project.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 18/19] ASoC: tlv320aic31xx: Add headphone/headset
 detection

On Wed, Dec 06, 2017 at 11:47:14AM -0600, Andrew F. Davis wrote:
> On 12/06/2017 11:32 AM, Mark Brown wrote:

> >> missing a generic way to report jack information up to the machine layer
> >> driver.

> > snd_soc_codec_set_jack()

> Hmm, this looks close to what I was thinking (I was wanting to go the
> other direction and have the codec report what jacks it supports, this
> could allow for more than one jack), I'll see if I can make it work.

Almost always the CODEC requires some extra connections in order to
enable jack detection features, these are going to be board specific so
they come from the machine driver.

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