Re: [PATCH v6 2/2] drm/i2c:tda998x: Use the HDMI audio CODEC

From: Mark Brown
Date: Wed Oct 01 2014 - 08:37:38 EST


On Wed, Oct 01, 2014 at 11:28:46AM +0200, Jean-Francois Moine wrote:
> Mark Brown <broonie@xxxxxxxxxx> 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.

No, that doesn't make sense - there's absolutely no dependency on DT for
module loading, non-DT boards work perfectly fine. Think about this for
a minute, we don't have lots of request_module() calls in board files.
You're working around some other bug here.

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