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From: Jean-Francois Moine <moinejf@free.fr>
To: Mark Brown <broonie@kernel.org>
Cc: Russell King - ARM Linux <linux@arm.linux.org.uk>,
	Dave Airlie <airlied@gmail.com>,
	Andrew Jackson <Andrew.Jackson@arm.com>,
	Jyri Sarha <jsarha@ti.com>,
	alsa-devel@alsa-project.org, devicetree@vger.kernel.org,
	dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v6 2/2] drm/i2c:tda998x: Use the HDMI audio CODEC
Date: Wed, 1 Oct 2014 11:28:46 +0200	[thread overview]
Message-ID: <20141001112846.0dbc80ae@armhf> (raw)
In-Reply-To: <20140930192540.GL4273@sirena.org.uk>

On Tue, 30 Sep 2014 20:25:40 +0100
Mark Brown <broonie@kernel.org> wrote:

> > +	request_module("snd-soc-hdmi-codec");
> > +	pdev = platform_device_register_resndata(&priv->hdmi->dev,
> > +						 "hdmi-audio-codec",
> > +						  PLATFORM_DEVID_NONE,
> > +						  NULL, 0,
> > +						  &tda998x_hdmi_data,
> > +						  sizeof tda998x_hdmi_data);  
> 
> Why is this request_module() needed?  If there is a good reason for it
> we should have some documentation.

The reason is simple: as the HDMI CODEC is not declared in the DT, the
associated module must be loaded in memory.

-- 
Ken ar c'hentañ	|	      ** Breizh ha Linux atav! **
Jef		|		http://moinejf.free.fr/

  reply	other threads:[~2014-10-01  9:28 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-24  8:23 [PATCH v6 0/2] ASoC: tda998x: add a codec to the HDMI transmitter Jean-Francois Moine
2014-09-24  7:49 ` [PATCH v6 1/2] ASoC:codecs: Add a transmitter interface to the HDMI CODEC CODEC Jean-Francois Moine
2014-09-29  7:26   ` Andrew Jackson
2014-10-01 14:04   ` Jyri Sarha
     [not found]     ` <542C09DC.3030404-l0cyMroinI0@public.gmane.org>
2014-10-01 16:45       ` Jean-Francois Moine
2014-09-24  8:11 ` [PATCH v6 2/2] drm/i2c:tda998x: Use the HDMI audio CODEC Jean-Francois Moine
     [not found]   ` <4b3d35a14461ed164956b7f5aa77b29170bc393d.1411547014.git.moinejf-GANU6spQydw@public.gmane.org>
2014-09-30 19:25     ` Mark Brown
2014-10-01  9:28       ` Jean-Francois Moine [this message]
2014-10-01 12:37         ` Mark Brown
2014-10-01 13:47         ` Russell King - ARM Linux
2014-10-01 14:05   ` Jyri Sarha
2014-10-02 18:37     ` Jean-Francois Moine
2014-10-01 14:23   ` Russell King - ARM Linux
2014-10-02 17:59     ` Jean-Francois Moine
2014-09-30 19:10 ` [PATCH v6 0/2] ASoC: tda998x: add a codec to the HDMI transmitter Mark Brown

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