ASoC: omap-mcpdm: Set 24msbits constraint

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>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

diff --git a/sound/soc/omap/omap-mcpdm.c b/sound/soc/omap/omap-mcpdm.c
index 0e25df4fa9e5cf20e380582a36082e23596d2f0b..39705561131a6c10f4a62a486a31208ccbe075a4 100644 (file)
--- 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,
 };