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Subject: Re: [PATCH v3 03/10] ASoC: tegra: add Tegra210 based DMIC driver
To:     Sameer Pujar <spujar@nvidia.com>, perex@perex.cz, tiwai@suse.com,
        robh+dt@kernel.org
Cc:     broonie@kernel.org, lgirdwood@gmail.com, thierry.reding@gmail.com,
        jonathanh@nvidia.com, alsa-devel@alsa-project.org,
        devicetree@vger.kernel.org, linux-tegra@vger.kernel.org,
        linux-kernel@vger.kernel.org, sharadg@nvidia.com,
        mkumard@nvidia.com, viswanathl@nvidia.com, rlokhande@nvidia.com,
        dramesh@nvidia.com, atalambedu@nvidia.com
References: <1582180492-25297-1-git-send-email-spujar@nvidia.com>
 <1582180492-25297-4-git-send-email-spujar@nvidia.com>
From:   Dmitry Osipenko <digetx@gmail.com>
Message-ID: <d618182c-14a8-9143-376c-568dd7cf3bb3@gmail.com>
Date:   Fri, 21 Feb 2020 08:53:43 +0300
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20.02.2020 09:34, Sameer Pujar пишет:
> 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@nvidia.com>
> ---

...

> +static const struct of_device_id tegra210_dmic_of_match[] = {
> +	{ .compatible = "nvidia,tegra210-dmic" },
> +	{},
> +};
> +MODULE_DEVICE_TABLE(of, tegra210_dmic_of_match);

I'd move the tegra210_dmic_of_match close to tegra210_dmic_driver's
definition, like most of the other drivers do it.

...

> +static struct platform_driver tegra210_dmic_driver = {
> +	.driver = {
> +		.name = "tegra210-dmic",
> +		.of_match_table = tegra210_dmic_of_match,
> +		.pm = &tegra210_dmic_pm_ops,
> +	},
> +	.probe = tegra210_dmic_probe,
> +	.remove = tegra210_dmic_remove,
> +};
> +module_platform_driver(tegra210_dmic_driver)

Otherwise:

Reviewed-by: Dmitry Osipenko <digetx@gmail.com>