linux-kernel - Re: [PATCH v3 03/10] ASoC: tegra: add Tegra210 based DMIC driver

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Date:   Thu, 20 Feb 2020 14:36:22 +0000
From:   Jon Hunter <jonathanh@...dia.com>
To:     Sameer Pujar <spujar@...dia.com>, <perex@...ex.cz>,
        <tiwai@...e.com>, <robh+dt@...nel.org>
CC:     <broonie@...nel.org>, <lgirdwood@...il.com>,
        <thierry.reding@...il.com>, <digetx@...il.com>,
        <alsa-devel@...a-project.org>, <devicetree@...r.kernel.org>,
        <linux-tegra@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <sharadg@...dia.com>, <mkumard@...dia.com>,
        <viswanathl@...dia.com>, <rlokhande@...dia.com>,
        <dramesh@...dia.com>, <atalambedu@...dia.com>
Subject: Re: [PATCH v3 03/10] ASoC: tegra: add Tegra210 based DMIC driver


On 20/02/2020 06:34, Sameer Pujar wrote:
> The Digital MIC (DMIC) Controller is used to interface with Pulse Density
> Modulation (PDM) input devices. The DMIC controller implements a converter
> to convert PDM signals to Pulse Code Modulation (PCM) signals. From signal
> flow perspective, the DMIC can be viewed as a PDM receiver.
> 
> This patch registers DMIC component with ASoC framework. The component
> driver exposes DAPM widgets, routes and kcontrols for the device. The DAI
> driver exposes DMIC interfaces, which can be used to connect different
> components in the ASoC layer. Makefile and Kconfig support is added to
> allow to build the driver. The DMIC devices can be enabled in the DT via
> "nvidia,tegra210-dmic" compatible string. This driver can be used for
> Tegra186 and Tegra194 chips as well.
> 
> Signed-off-by: Sameer Pujar <spujar@...dia.com>

Thanks!

Reviewed-by: Jon Hunter <jonathanh@...dia.com>

Cheers
Jon

-- 
nvpublic