linux-kernel - Re: [PATCH v5 0/5] Add HDMI jack support on RK3288

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Date:   Sun, 8 Sep 2019 21:51:01 +0800
From:   Cheng-yi Chiang <cychiang@...omium.org>
To:     Tzung-Bi Shih <tzungbi@...gle.com>
Cc:     Linux Kernel Mailing List <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>,
        Douglas Anderson <dianders@...omium.org>,
        Dylan Reid <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,
        Neil Armstrong <narmstrong@...libre.com>
Subject: Re: [PATCH v5 0/5] Add HDMI jack support on RK3288

On Fri, Aug 30, 2019 at 10:55 AM Cheng-yi Chiang <cychiang@...omium.org> wrote:
>
> On Wed, Jul 17, 2019 at 6:28 PM Tzung-Bi Shih <tzungbi@...gle.com> wrote:
> >
> > On Wed, Jul 17, 2019 at 4:33 PM Cheng-Yi Chiang <cychiang@...omium.org> 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.
> > >
> > > Changes from v4 to v5:
> > > - synopsys/Kconfig: Remove the incorrect dependency change in v4.
> > > - rockchip/Kconfig: Add dependency of hdmi-codec when it is really need
> > >   for jack support.
> > >
> > > Cheng-Yi Chiang (5):
> > >   ASoC: hdmi-codec: Add an op to set callback function for plug event
> > >   drm: bridge: dw-hdmi: Report connector status using callback
> > >   drm: dw-hdmi-i2s: Use fixed id for codec device
> > >   ASoC: rockchip_max98090: Add dai_link for HDMI
> > >   ASoC: rockchip_max98090: Add HDMI jack support
> > >
> > LGTM.
> >
> > Reviewed-by: Tzung-Bi Shih <tzungbi@...gle.com>
>
> Hi Daniel,
> Do you have further concern on this patch series related to hdmi-codec
> and drm part ?
> We would like to merge this patch series if possible.
> They will be needed in many future chrome projects for HDMI audio jack
> detection.
> Thanks a lot!

Hi Neil,
I am not sure if this patch series is under your radar.
Would you mind taking a look ?
This patch series has been following great suggestions from various
reviewers, so I hope it is fine now.

Audio jack reporting for HDMI might not be needed for other OS, but it
is a must on ChromeOS.
We have many previous projects using different local patch sets to
achieve HDMI jack reporting.
I hope that we can achieve a proper way and really get the patches
merged to mainline.
Thanks a lot!