ASoC: stm32: dfsdm: add mmap support

Enable direct access (mmap) support.
Signed-off-by: Olivier Moysan <olivier.moysan@st.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/stm/stm32_adfsdm.c

@@ -41,7 +41,7 @@ struct stm32_adfsdm_priv {
 
 static const struct snd_pcm_hardware stm32_adfsdm_pcm_hw = {
 	.info = SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER |
-	    SNDRV_PCM_INFO_PAUSE,
+		SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_PAUSE,
 	.formats = SNDRV_PCM_FMTBIT_S32_LE,
 
 	.rate_min = 8000,