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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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