linux-kernel - Re: [PATCH 2/5] ASoC: mediatek: mt8188-mt6359: register hdmi/dp jack pins

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Date:   Wed, 17 May 2023 12:10:00 +0000
From:   Trevor Wu (吳文良) <Trevor.Wu@...iatek.com>
To:     "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "broonie@...nel.org" <broonie@...nel.org>,
        "conor+dt@...nel.org" <conor+dt@...nel.org>,
        "tiwai@...e.com" <tiwai@...e.com>,
        "lgirdwood@...il.com" <lgirdwood@...il.com>,
        "krzysztof.kozlowski+dt@...aro.org" 
        <krzysztof.kozlowski+dt@...aro.org>,
        "matthias.bgg@...il.com" <matthias.bgg@...il.com>,
        "perex@...ex.cz" <perex@...ex.cz>,
        "angelogioacchino.delregno@...labora.com" 
        <angelogioacchino.delregno@...labora.com>
CC:     "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-mediatek@...ts.infradead.org" 
        <linux-mediatek@...ts.infradead.org>,
        "alsa-devel@...a-project.org" <alsa-devel@...a-project.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>
Subject: Re: [PATCH 2/5] ASoC: mediatek: mt8188-mt6359: register hdmi/dp jack
 pins

On Wed, 2023-05-17 at 13:31 +0200, AngeloGioacchino Del Regno wrote:
> External email : Please do not click links or open attachments until
> you have verified the sender or the content.
> 
> 
> Il 17/05/23 13:15, Trevor Wu ha scritto:
> > Some userspace applications need jack control events, so register
> > hdmi
> > and dp jack pins to activate jack control events.
> > 
> > Signed-off-by: Trevor Wu <trevor.wu@...iatek.com>
> > ---
> >   sound/soc/mediatek/mt8188/mt8188-mt6359.c | 27
> > +++++++++++++++++++----
> >   1 file changed, 23 insertions(+), 4 deletions(-)
> > 
> > diff --git a/sound/soc/mediatek/mt8188/mt8188-mt6359.c
> > b/sound/soc/mediatek/mt8188/mt8188-mt6359.c
> > index 833bc362dad2..6c3f36e2fffd 100644
> > --- a/sound/soc/mediatek/mt8188/mt8188-mt6359.c
> > +++ b/sound/soc/mediatek/mt8188/mt8188-mt6359.c
> > @@ -151,6 +151,20 @@ struct mt8188_mt6359_priv {
> >       struct snd_soc_jack hdmi_jack;
> >   };
> > 
> > +static struct snd_soc_jack_pin mt8188_hdmi_jack_pins[] = {
> > +     {
> > +             .pin = "HDMI",
> 
> "HDMI Jack" is more consistent with the snd_soc_jack_new_pins() call
> performed
> later.

Hi Angelo,

I see jack_kctl_name_gen() will append "Jack" to the name if I don't
name the pin "HDMI Jack". Do you mean that I could directly use "HDMI
Jack" because ALSA uses the name finally?

Thanks,
Trevor

> 
> > +             .mask = SND_JACK_LINEOUT,
> > +     },
> > +};
> > +
> > +static struct snd_soc_jack_pin mt8188_dp_jack_pins[] = {
> > +     {
> > +             .pin = "DP",
> 
> Same here: "DP Jack"
> 
> > +             .mask = SND_JACK_LINEOUT,
> > +     },
> > +};
> > +
> 
> Regards,
> Angelo
>