linux-kernel - Re: [PATCH 0/4] Add HDMI jack support on RK3288

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Message-ID: <20190705083022.GM15868@phenom.ffwll.local>
Date:   Fri, 5 Jul 2019 10:30:22 +0200
From:   Daniel Vetter <daniel@...ll.ch>
To:     Cheng-Yi Chiang <cychiang@...omium.org>
Cc:     linux-kernel@...r.kernel.org, Hans Verkuil <hverkuil@...all.nl>,
        Mark Brown <broonie@...nel.org>,
        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-devel@...a-project.org, dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org
Subject: Re: [PATCH 0/4] Add HDMI jack support on RK3288

On Fri, Jul 05, 2019 at 12:26:19PM +0800, Cheng-Yi Chiang wrote:
> This patch series supports HDMI jack reporting on RK3288, which uses
> DRM dw-hdmi driver and hdmi-codec codec driver.
> 
> The previous discussion about reporting jack status using hdmi-notifier
> and drm_audio_component is at
> 
> https://lore.kernel.org/patchwork/patch/1083027/
> 
> The new approach is to use a callback mechanism that is
> specific to hdmi-codec.

I think this looks reasonable. There's the entire question of getting rid
of the platform_device in hdmi_codec an roll our own devices (so that it
all looks a bit cleaner, like e.g. the cec stuff does). But that can also
be done in a follow-up (if you can convince reviewers of that).
-Daniel

> Cheng-Yi Chiang (4):
>   ASoC: hdmi-codec: Add an op to set callback function for plug event
>   drm: bridge: dw-hdmi: Report connector status using callback
>   ASoC: rockchip_max98090: Add dai_link for HDMI
>   ASoC: rockchip_max98090: Add HDMI jack support
> 
>  .../gpu/drm/bridge/synopsys/dw-hdmi-audio.h   |   3 +
>  .../drm/bridge/synopsys/dw-hdmi-i2s-audio.c   |  10 ++
>  drivers/gpu/drm/bridge/synopsys/dw-hdmi.c     |  32 ++++-
>  include/sound/hdmi-codec.h                    |  16 +++
>  sound/soc/codecs/hdmi-codec.c                 |  52 ++++++++
>  sound/soc/rockchip/rockchip_max98090.c        | 112 ++++++++++++++----
>  6 files changed, 201 insertions(+), 24 deletions(-)
> 
> -- 
> 2.22.0.410.gd8fdbe21b5-goog
> 

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch