[alsa-devel] [PATCH v6 2/2] drm/i2c:tda998x: Use the HDMI audio CODEC

[Jean-Francois Moine]

On Tue, 30 Sep 2014 20:25:40 +0100
Mark Brown <broonie at 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.

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