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Date:   Tue, 21 Jan 2020 18:32:47 +0000
From:   Mark Brown <broonie@kernel.org>
To:     Maxime Ripard <mripard@kernel.org>
Cc:     Stefan Mavrodiev <stefan@olimex.com>,
        Dan Williams <dan.j.williams@intel.com>,
        Vinod Koul <vkoul@kernel.org>, Chen-Yu Tsai <wens@csie.org>,
        David Airlie <airlied@linux.ie>,
        Daniel Vetter <daniel@ffwll.ch>,
        open list <linux-kernel@vger.kernel.org>,
        "open list:DMA GENERIC OFFLOAD ENGINE SUBSYSTEM" 
        <dmaengine@vger.kernel.org>,
        "moderated list:ARM/Allwinner sunXi SoC support" 
        <linux-arm-kernel@lists.infradead.org>,
        "open list:DRM DRIVERS FOR ALLWINNER A10" 
        <dri-devel@lists.freedesktop.org>, linux-sunxi@googlegroups.com
Subject: Re: [PATCH v2 2/2] drm: sun4i: hdmi: Add support for sun4i HDMI
 encoder audio
Message-ID: <20200121183247.GL4656@sirena.org.uk>
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On Tue, Jan 21, 2020 at 07:29:37PM +0100, Maxime Ripard wrote:

> > Mark, our issue here is that we have a driver tied to a device that is
> > an HDMI encoder. Obviously, we'll want to register into DRM, which is
> > what we were doing so far, with the usual case where at remove /
> > unbind time, in order to free the resources, we just retrieve our
> > pointer to our private structure using the device's drvdata.

> > Now, snd_soc_register_card also sets that pointer to the card we try
> > to register, which is problematic. It seems that it's used to handle
> > suspend / resume automatically, which in this case would be also not
> > really fit for us (or rather, we would need to do more that just
> > suspend the audio part).

There's a drvdata field in the snd_soc_card for cases like this - would
that work for you?

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