ASoC: Document snd-soc-dummy-dai purpose (d76f4198) · Commits · e / devices / android_kernel_fairphone_FP4

sound/soc/soc-utils.c

+9 −0

Original line number	Diff line number	Diff line
		@@ -101,6 +101,15 @@ static struct snd_soc_codec_driver dummy_codec;
		SNDRV_PCM_FMTBIT_S32_LE \| \
		SNDRV_PCM_FMTBIT_U32_LE \| \
		SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE)
		/*
		* The dummy CODEC is only meant to be used in situations where there is no
		* actual hardware.
		*
		* If there is actual hardware even if it does not have a control bus
		* the hardware will still have constraints like supported samplerates, etc.
		* which should be modelled. And the data flow graph also should be modelled
		* using DAPM.
		*/
		static struct snd_soc_dai_driver dummy_dai = {
		.name = "snd-soc-dummy-dai",
		.playback = {