linux-kernel - Re: [PATCH v3 06/10] ASoC: tegra: add Tegra186 based DSPK driver

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Date:   Wed, 19 Feb 2020 22:53:52 -0800
From:   Randy Dunlap <rdunlap@...radead.org>
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,
        jonathanh@...dia.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 06/10] ASoC: tegra: add Tegra186 based DSPK driver

On 2/19/20 10:34 PM, Sameer Pujar wrote:
> diff --git a/sound/soc/tegra/Kconfig b/sound/soc/tegra/Kconfig
> index 0c07f63..fb77df3 100644
> --- a/sound/soc/tegra/Kconfig
> +++ b/sound/soc/tegra/Kconfig
> @@ -93,6 +93,19 @@ config SND_SOC_TEGRA210_I2S
>            compatible devices.
>            Say Y or M if you want to add support for Tegra210 I2S module.
>  
> +config SND_SOC_TEGRA186_DSPK
> +        tristate "Tegra186 DSPK module"
> +        depends on SND_SOC_TEGRA
> +        help
> +          Config to enable the Digital Speaker Controller (DSPK) which
> +          converts the multi-bit Pulse Code Modulation (PCM) audio input to
> +          oversampled 1-bit Pulse Desnity Modulation (PDM) output. From the

                                     Density

> +          signal flow perspective DSPK can be viewed as a PDM transmitter
> +          that up-samples the input to the desired sampling rate by
> +          interpolation and then converts the oversampled PCM input to
> +          the desired 1-bit output via Delta Sigma Modulation (DSM).
> +          Say Y or M if you want to add support for Tegra186 DSPK module.

Please fix indentation according to coding style.
Thanks.

> +
>  config SND_SOC_TEGRA_RT5640
>  	tristate "SoC Audio support for Tegra boards using an RT5640 codec"
>  	depends on SND_SOC_TEGRA && I2C && GPIOLIB


-- 
~Randy