McPDM internal FIFO is 24 bit wide. From the 32 bit sample 8 bit is discarded. Let application know about this via msbits constraint.
Signed-off-by: Peter Ujfalusi peter.ujfalusi@ti.com --- sound/soc/omap/omap-mcpdm.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/sound/soc/omap/omap-mcpdm.c b/sound/soc/omap/omap-mcpdm.c index 0e25df4..3970556 100644 --- a/sound/soc/omap/omap-mcpdm.c +++ b/sound/soc/omap/omap-mcpdm.c @@ -419,12 +419,14 @@ static struct snd_soc_dai_driver omap_mcpdm_dai = { .channels_max = 5, .rates = OMAP_MCPDM_RATES, .formats = OMAP_MCPDM_FORMATS, + .sig_bits = 24, }, .capture = { .channels_min = 1, .channels_max = 3, .rates = OMAP_MCPDM_RATES, .formats = OMAP_MCPDM_FORMATS, + .sig_bits = 24, }, .ops = &omap_mcpdm_dai_ops, };