From: Mark Brown <broonie@kernel.org>
To: Jiaxin Yu <jiaxin.yu@mediatek.com>
Cc: devicetree@vger.kernel.org, alsa-devel@alsa-project.org,
shane.chien@mediatek.com, tiwai@suse.com, tzungbi@google.com,
robh+dt@kernel.org, linux-mediatek@lists.infradead.org,
matthias.bgg@gmail.com, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 1/2] ASoC: mt6359: skip first time data at the beginning of DMIC recording
Date: Mon, 26 Oct 2020 12:33:25 +0000 [thread overview]
Message-ID: <20201026123325.GC7402@sirena.org.uk> (raw)
In-Reply-To: <1603521686-13036-2-git-send-email-jiaxin.yu@mediatek.com>
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On Sat, Oct 24, 2020 at 02:41:25PM +0800, Jiaxin Yu wrote:
> We can choose to drop away any length of data from the beginning according
> to project needs. Some projects don't want to throw away any data, because
> they want to use recorded data to do echo cancellation, so they have to
> make sure that they are aligned with the reference data as much as
> possible. Or there are other algorithms in the upper layer to eliminate
> this noise. Or some projects want to eliminate this noise form the kernel
> layer. However, the minimum recommended value is 50ms to skip pop noise.
This seems like something that would apply equally to all DMICs so
should be done at a more general level rather than in this specific
driver, for example it could be done in the DMIC driver.
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next prev parent reply other threads:[~2020-10-26 12:33 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-24 6:41 [PATCH 0/2] ASoC: mt6359: skip first time data at the beginning of DMIC recording Jiaxin Yu
2020-10-24 6:41 ` [PATCH 1/2] " Jiaxin Yu
2020-10-26 12:33 ` Mark Brown [this message]
2020-10-27 10:28 ` Jiaxin Yu
2020-10-27 13:15 ` Mark Brown
2020-10-28 9:39 ` Jiaxin Yu
2020-10-24 6:41 ` [PATCH 2/2] dt-bindings: mediatek: mt8192: add ul-delay-ms property Jiaxin Yu
2020-10-30 18:23 ` Rob Herring
2020-10-31 11:38 ` Tzung-Bi Shih
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