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From: Curtis Malainey <cujomalainey@google.com>
To: Mark Brown <broonie@kernel.org>
Cc: Oder Chiou <oder_chiou@realtek.com>,
	ALSA development <alsa-devel@alsa-project.org>,
	Takashi Iwai <tiwai@suse.com>,
	Liam Girdwood <lgirdwood@gmail.com>,
	Ben Zhang <benzh@chromium.org>, Bard Liao <bardliao@realtek.com>,
	Curtis Malainey <cujomalainey@chromium.org>
Subject: Re: [alsa-devel] [RFC 05/15] ASoC: rt5677: Auto enable/disable DSP for hotwording
Date: Wed, 11 Sep 2019 13:22:20 -0700	[thread overview]
Message-ID: <CAOReqxhjf0YeUhCF9N8YOReZC11k01R+TR7N6J51fZV6YXBc4g@mail.gmail.com> (raw)
In-Reply-To: <20190911102503.GV2036@sirena.org.uk>

On Wed, Sep 11, 2019 at 3:25 AM Mark Brown <broonie@kernel.org> wrote:
>
> On Fri, Sep 06, 2019 at 12:46:27PM -0700, Curtis Malainey wrote:
> > From: Ben Zhang <benzh@chromium.org>
> >
> > The kcontrol 'DSP VAD Switch' is automatically enabled/disabled
> > when the hotwording PCM stream is opened/closed.
>
> So why do we have the switch?

The source of the switch is commit af48f1d08a547 ("ASoC: rt5677:
Support DSP function for VAD application") and does not explain the
original intent of the switch. I believe the original intent of this
commit is to keep the switch in sync with the VAD state. I do not
believe we use the switch ourselves.
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  reply	other threads:[~2019-09-11 20:23 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-06 19:46 [alsa-devel] [RFC 00/15] Add Samus Hotwording for RT5677 Curtis Malainey
2019-09-06 19:46 ` [alsa-devel] [RFC 01/15] ASoC: rt5677: Remove magic number register writes Curtis Malainey
2019-09-09 10:07   ` [alsa-devel] Applied "ASoC: rt5677: Remove magic number register writes" to the asoc tree Mark Brown
2019-09-06 19:46 ` [alsa-devel] [RFC 02/15] ASoC: rt5677: keep analog power register at SND_SOC_BIAS_OFF Curtis Malainey
2019-09-09  9:54   ` Mark Brown
2019-09-09 15:50     ` Curtis Malainey
2019-09-09 12:23   ` [alsa-devel] Applied "ASoC: rt5677: keep analog power register at SND_SOC_BIAS_OFF" to the asoc tree Mark Brown
2019-09-06 19:46 ` [alsa-devel] [RFC 03/15] ASoC: rt5677: Add a PCM device for streaming hotword via SPI Curtis Malainey
2019-09-06 19:46 ` [alsa-devel] [RFC 04/15] ASoC: rt5677: Load firmware " Curtis Malainey
2019-09-11 10:24   ` Mark Brown
2019-09-06 19:46 ` [alsa-devel] [RFC 05/15] ASoC: rt5677: Auto enable/disable DSP for hotwording Curtis Malainey
2019-09-11 10:25   ` Mark Brown
2019-09-11 20:22     ` Curtis Malainey [this message]
2019-09-12  9:26       ` Mark Brown
2019-09-16 21:29         ` Curtis Malainey
2019-09-16 21:55           ` Mark Brown
2019-09-06 19:46 ` [alsa-devel] [RFC 06/15] ASoC: bdw-rt5677: Add a DAI link for rt5677 SPI PCM device Curtis Malainey
2019-09-09  0:18   ` Kuninori Morimoto
2019-09-09 16:53     ` Curtis Malainey
2019-09-06 19:46 ` [alsa-devel] [RFC 07/15] ASoC: rt5677: Enable jack detect while DSP is running Curtis Malainey
2019-09-06 19:46 ` [alsa-devel] [RFC 08/15] ASoC: rt5677: Use delayed work for DSP firmware load Curtis Malainey
2019-09-11 10:28   ` Mark Brown
2019-09-06 19:46 ` [alsa-devel] [RFC 09/15] ASoC: rt5677: Add DAPM audio path for hotword stream Curtis Malainey
2019-09-06 19:46 ` [alsa-devel] [RFC 10/15] ASoC: rt5677: Mark reg RT5677_PWR_ANLG2 as volatile Curtis Malainey
2019-09-06 19:46 ` [alsa-devel] [RFC 11/15] ASoC: rt5677: Stop and restart DSP over suspend/resume Curtis Malainey
2019-09-06 19:46 ` [alsa-devel] [RFC 12/15] ASoC: rt5677: Transfer one period at a time over SPI Curtis Malainey
2019-09-11 10:54   ` Mark Brown
2019-09-11 18:09     ` Curtis Malainey
2019-09-06 19:46 ` [alsa-devel] [RFC 13/15] ASoC: rt5677: Disable irq at suspend Curtis Malainey
2019-09-06 19:46 ` [alsa-devel] [RFC 14/15] ASoC: rt5677: Allow VAD to be shut on/off at all times Curtis Malainey
2019-09-06 19:46 ` [alsa-devel] [RFC 15/15] ASoC: rt5677: Turn on MCLK1 for DSP via DAPM Curtis Malainey
2019-09-06 20:40 ` [alsa-devel] [RFC 00/15] Add Samus Hotwording for RT5677 Pierre-Louis Bossart
2019-09-06 21:09   ` Curtis Malainey
2019-09-06 22:13     ` Pierre-Louis Bossart
2019-09-09 16:52       ` Curtis Malainey

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