linux-kernel - Re: [PATCH 1/4] ASoC: hdmi-codec: Add an op to set callback function for plug event

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Date:   Fri, 5 Jul 2019 13:12:40 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Tzung-Bi Shih <tzungbi@...gle.com>
Cc:     Cheng-Yi Chiang <cychiang@...omium.org>,
        linux-kernel@...r.kernel.org, Hans Verkuil <hverkuil@...all.nl>,
        Liam Girdwood <lgirdwood@...il.com>,
        Takashi Iwai <tiwai@...e.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Russell King <rmk+kernel@...linux.org.uk>,
        Andrzej Hajda <a.hajda@...sung.com>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Heiko Stuebner <heiko@...ech.de>, dianders@...omium.org,
        dgreid@...omium.org, tzungbi@...omium.org,
        ALSA development <alsa-devel@...a-project.org>,
        dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org
Subject: Re: [PATCH 1/4] ASoC: hdmi-codec: Add an op to set callback function
 for plug event

On Fri, Jul 05, 2019 at 03:08:37PM +0800, Tzung-Bi Shih wrote:
> On Fri, Jul 5, 2019 at 12:26 PM Cheng-Yi Chiang <cychiang@...omium.org> wrote:

> > +typedef void (*hdmi_codec_plugged_cb)(struct platform_device *dev,
> > +                                     bool plugged);
> > +

> The callback prototype is "weird" by struct platform_device.  Is it
> possible to having snd_soc_component instead of platform_device?

Or if it's got to be a device why not just a generic device so
we're not tied to a particular bus here?

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