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

Jon Hunter
2020-02-20T14:37:27Z

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@nvidia.com>

Thanks!

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

Cheers
Jon

--
nvpublic