ASoC: stm32: dfsdm: change rate limits (6101bf71) · Commits · 戴 / test

The DFSDM can support a larger rate range than currently supported in driver. Increase rate upper limit to 48kHz and allow all rates in the range 8kHz to 48kHz. Signed-off-by:

Olivier Moysan <olivier.moysan@st.com> Link: https://lore.kernel.org/r/20201007153459.22155-2-olivier.moysan@st.com Signed-off-by:

Mark Brown <broonie@kernel.org>

sound/soc/stm/stm32_adfsdm.c

+3 −5

Original line number	Diff line number	Diff line
		@@ -47,9 +47,6 @@ static const struct snd_pcm_hardware stm32_adfsdm_pcm_hw = {
		SNDRV_PCM_INFO_MMAP \| SNDRV_PCM_INFO_PAUSE,
		.formats = SNDRV_PCM_FMTBIT_S16_LE \| SNDRV_PCM_FMTBIT_S32_LE,

		.rate_min = 8000,
		.rate_max = 32000,

		.channels_min = 1,
		.channels_max = 1,

		@@ -143,8 +140,9 @@ static const struct snd_soc_dai_driver stm32_adfsdm_dai = {
		.channels_max = 1,
		.formats = SNDRV_PCM_FMTBIT_S16_LE \|
		SNDRV_PCM_FMTBIT_S32_LE,
		.rates = (SNDRV_PCM_RATE_8000 \| SNDRV_PCM_RATE_16000 \|
		SNDRV_PCM_RATE_32000),
		.rates = SNDRV_PCM_RATE_CONTINUOUS,
		.rate_min = 8000,
		.rate_max = 48000,
		},
		.ops = &stm32_adfsdm_dai_ops,
		};

Admin message