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Date:   Fri, 1 Jan 2021 02:07:34 +0800
From:   Kai-Heng Feng <kai.heng.feng@...onical.com>
To:     Takashi Iwai <tiwai@...e.de>
Cc:     Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>,
        Kai Vehmanen <kai.vehmanen@...ux.intel.com>,
        daniel.baluta@....com, Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Guennadi Liakhovetski <guennadi.liakhovetski@...ux.intel.com>,
        Rander Wang <rander.wang@...el.com>,
        Payal Kshirsagar <payalskshirsagar1234@...il.com>,
        Keyon Jie <yang.jie@...ux.intel.com>,
        Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>,
        Marcin Rajwa <marcin.rajwa@...ux.intel.com>,
        Cezary Rojewski <cezary.rojewski@...el.com>,
        Fred Oh <fred.oh@...ux.intel.com>,
        Bard Liao <yung-chuan.liao@...ux.intel.com>,
        Amery Song <chao.song@...el.com>,
        "moderated list:SOUND - SOUND OPEN FIRMWARE (SOF) DRIVERS" 
        <sound-open-firmware@...a-project.org>,
        "moderated list:SOUND - SOC LAYER / DYNAMIC AUDIO POWER MANAGEM..." 
        <alsa-devel@...a-project.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/2] ASoC: SOF: Intel: hda: Modify existing helper to
 disable WAKEEN

On Thu, Dec 31, 2020 at 6:52 PM Takashi Iwai <tiwai@...e.de> wrote:
>
> On Tue, 29 Dec 2020 14:38:14 +0100,
> Kai-Heng Feng wrote:
> >
> > Modify hda_codec_jack_wake_enable() to also support disable WAKEEN.
> > This is a preparation for next patch.
> >
> > No functional change intended.
>
> Maybe it's better to mention that this patch moves the WAKEEN
> disablement call out of hda_codec_jack_check() into
> hda_codec_jack_wake_enable(), too.

Ok, will update the commit log in v2.

Kai-Heng

>
>
> thanks,
>
> Takashi
>
> >
> > Signed-off-by: Kai-Heng Feng <kai.heng.feng@...onical.com>
> > ---
> >  sound/soc/sof/intel/hda-codec.c | 16 +++++++---------
> >  sound/soc/sof/intel/hda-dsp.c   |  6 ++++--
> >  sound/soc/sof/intel/hda.h       |  2 +-
> >  3 files changed, 12 insertions(+), 12 deletions(-)
> >
> > diff --git a/sound/soc/sof/intel/hda-codec.c b/sound/soc/sof/intel/hda-codec.c
> > index 6875fa570c2c..bc9ac4abdab5 100644
> > --- a/sound/soc/sof/intel/hda-codec.c
> > +++ b/sound/soc/sof/intel/hda-codec.c
> > @@ -63,16 +63,18 @@ static int hda_codec_load_module(struct hda_codec *codec)
> >  }
> >
> >  /* enable controller wake up event for all codecs with jack connectors */
> > -void hda_codec_jack_wake_enable(struct snd_sof_dev *sdev)
> > +void hda_codec_jack_wake_enable(struct snd_sof_dev *sdev, bool enable)
> >  {
> >       struct hda_bus *hbus = sof_to_hbus(sdev);
> >       struct hdac_bus *bus = sof_to_bus(sdev);
> >       struct hda_codec *codec;
> >       unsigned int mask = 0;
> >
> > -     list_for_each_codec(codec, hbus)
> > -             if (codec->jacktbl.used)
> > -                     mask |= BIT(codec->core.addr);
> > +     if (enable) {
> > +             list_for_each_codec(codec, hbus)
> > +                     if (codec->jacktbl.used)
> > +                             mask |= BIT(codec->core.addr);
> > +     }
> >
> >       snd_hdac_chip_updatew(bus, WAKEEN, STATESTS_INT_MASK, mask);
> >  }
> > @@ -81,12 +83,8 @@ void hda_codec_jack_wake_enable(struct snd_sof_dev *sdev)
> >  void hda_codec_jack_check(struct snd_sof_dev *sdev)
> >  {
> >       struct hda_bus *hbus = sof_to_hbus(sdev);
> > -     struct hdac_bus *bus = sof_to_bus(sdev);
> >       struct hda_codec *codec;
> >
> > -     /* disable controller Wake Up event*/
> > -     snd_hdac_chip_updatew(bus, WAKEEN, STATESTS_INT_MASK, 0);
> > -
> >       list_for_each_codec(codec, hbus)
> >               /*
> >                * Wake up all jack-detecting codecs regardless whether an event
> > @@ -97,7 +95,7 @@ void hda_codec_jack_check(struct snd_sof_dev *sdev)
> >                                             codec->jackpoll_interval);
> >  }
> >  #else
> > -void hda_codec_jack_wake_enable(struct snd_sof_dev *sdev) {}
> > +void hda_codec_jack_wake_enable(struct snd_sof_dev *sdev, bool enable) {}
> >  void hda_codec_jack_check(struct snd_sof_dev *sdev) {}
> >  #endif /* CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC */
> >  EXPORT_SYMBOL_NS(hda_codec_jack_wake_enable, SND_SOC_SOF_HDA_AUDIO_CODEC);
> > diff --git a/sound/soc/sof/intel/hda-dsp.c b/sound/soc/sof/intel/hda-dsp.c
> > index 2b001151fe37..7d00107cf3b2 100644
> > --- a/sound/soc/sof/intel/hda-dsp.c
> > +++ b/sound/soc/sof/intel/hda-dsp.c
> > @@ -617,7 +617,7 @@ static int hda_suspend(struct snd_sof_dev *sdev, bool runtime_suspend)
> >
> >  #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
> >       if (runtime_suspend)
> > -             hda_codec_jack_wake_enable(sdev);
> > +             hda_codec_jack_wake_enable(sdev, true);
> >
> >       /* power down all hda link */
> >       snd_hdac_ext_bus_link_power_down_all(bus);
> > @@ -683,8 +683,10 @@ static int hda_resume(struct snd_sof_dev *sdev, bool runtime_resume)
> >
> >  #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
> >       /* check jack status */
> > -     if (runtime_resume)
> > +     if (runtime_resume) {
> > +             hda_codec_jack_wake_enable(sdev, false);
> >               hda_codec_jack_check(sdev);
> > +     }
> >
> >       /* turn off the links that were off before suspend */
> >       list_for_each_entry(hlink, &bus->hlink_list, list) {
> > diff --git a/sound/soc/sof/intel/hda.h b/sound/soc/sof/intel/hda.h
> > index 9ec8ae0fd649..a3b6f3e9121c 100644
> > --- a/sound/soc/sof/intel/hda.h
> > +++ b/sound/soc/sof/intel/hda.h
> > @@ -650,7 +650,7 @@ void sof_hda_bus_init(struct hdac_bus *bus, struct device *dev);
> >   */
> >  void hda_codec_probe_bus(struct snd_sof_dev *sdev,
> >                        bool hda_codec_use_common_hdmi);
> > -void hda_codec_jack_wake_enable(struct snd_sof_dev *sdev);
> > +void hda_codec_jack_wake_enable(struct snd_sof_dev *sdev, bool enable);
> >  void hda_codec_jack_check(struct snd_sof_dev *sdev);
> >
> >  #endif /* CONFIG_SND_SOC_SOF_HDA */
> > --
> > 2.29.2
> >

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