From: Mark Brown <broonie@kernel.org>
To: Chancel Liu <chancel.liu@nxp.com>
Cc: lgirdwood@gmail.com, robh+dt@kernel.org,
krzysztof.kozlowski+dt@linaro.org, perex@perex.cz,
tiwai@suse.com, ckeepax@opensource.cirrus.com,
patches@opensource.cirrus.com, alsa-devel@alsa-project.org,
linux-kernel@vger.kernel.org, devicetree@vger.kernel.org
Subject: Re: [PATCH 2/4] ASoC: dt-bindings: wlf,wm8524: Add a property to specify power up sequency time
Date: Wed, 22 Feb 2023 12:50:26 +0000 [thread overview]
Message-ID: <Y/YPkgOreByREmOz@sirena.org.uk> (raw)
In-Reply-To: <20230222113945.3390672-2-chancel.liu@nxp.com>
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On Wed, Feb 22, 2023 at 07:39:43PM +0800, Chancel Liu wrote:
> This property specifies power up to audio out time. It's necessary
> beacause this device has to wait some time before ready to output audio
> after MCLK, BCLK and MUTE=1 are enabled. For more details about the
> timing constraints, please refer to WTN0302 on
> https://www.cirrus.com/products/wm8524/
According to that the delay is a property of MCLK and the sample rate
rather than a per board constant, it shouldn't be in DT but rather the
driver should figure out the required delay on each startup.
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next prev parent reply other threads:[~2023-02-22 12:50 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-22 11:39 [PATCH 1/4] ASoC: dt-bindings: wlf,wm8524: Convert to json-schema Chancel Liu
2023-02-22 11:39 ` [PATCH 2/4] ASoC: dt-bindings: wlf,wm8524: Add a property to specify power up sequency time Chancel Liu
2023-02-22 12:42 ` Krzysztof Kozlowski
2023-02-24 10:54 ` Chancel Liu
2023-02-24 11:00 ` Krzysztof Kozlowski
2023-02-27 9:06 ` Chancel Liu
2023-02-22 12:50 ` Mark Brown [this message]
2023-02-24 10:56 ` Chancel Liu
2023-02-24 10:59 ` Krzysztof Kozlowski
2023-02-22 11:39 ` [PATCH 3/4] ASoC: wm8524: Correct the MUTE setting while power up/down Chancel Liu
2023-02-22 11:39 ` [PATCH 4/4] ASoC: wm8524: Delay some time to follow power up sequency Chancel Liu
2023-02-22 12:48 ` Mark Brown
2023-02-24 10:54 ` Chancel Liu
2023-02-24 12:30 ` Mark Brown
2023-02-27 9:07 ` Chancel Liu
2023-02-22 12:36 ` [PATCH 1/4] ASoC: dt-bindings: wlf,wm8524: Convert to json-schema Krzysztof Kozlowski
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