From mboxrd@z Thu Jan  1 00:00:00 1970
From: Lucas Stach <l.stach@pengutronix.de>
Subject: Re: [PATCH] ASoC: tpa61xx: add back chip name to the
	controls
Date: Tue, 17 Oct 2017 12:59:46 +0200
Message-ID: <1508237986.2146.14.camel@pengutronix.de>
References: <20171017095729.6032-1-l.stach@pengutronix.de>
 <20171017101424.7e2bofvuenvfjlns@sirena.co.uk>
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To: Mark Brown <broonie@kernel.org>
Cc: alsa-devel@alsa-project.org, Liam Girdwood <lgirdwood@gmail.com>, kernel@pengutronix.de, patchwork-lst@pengutronix.de
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Am Dienstag, den 17.10.2017, 11:14 +0100 schrieb Mark Brown:
> On Tue, Oct 17, 2017 at 11:57:29AM +0200, Lucas Stach wrote:
> > Commit cb7e62256e99( ASoC: tpa6130a2: Register component) removed
> > the chip
> > name from the controls, which causes issues as the TPA61xx is not a
> > standalone codec, but a headphone amplifier, which may be connected
> > to the
> > line out of a codec which already exposes a "Headphone Playback
> > Volume"
> > control. In that case we end up with duplicate controls, causing
> > the
> > the probe of the soundcard to be aborted.
> 
> In this case the intention is that the machine driver should add a
> prefix via name_prefix in a struct snd_soc_codec_conf.

Thanks for the pointer.

In my case the machine driver is the simple-card. I'll have a look at
how I can get the prefix hooked up there.

Regards,
Lucas