ASoC: stm32: dfsdm: change rate limits

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>

diff --git a/sound/soc/stm/stm32_adfsdm.c b/sound/soc/stm/stm32_adfsdm.c
index ec27c13..c403198 100644 (file)
--- a/sound/soc/stm/stm32_adfsdm.c
+++ b/sound/soc/stm/stm32_adfsdm.c
@@ -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,
 };