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