[alsa-devel] [PATCH 4/4] ASoC: omap-mcpdm: Do not use core to set msbit constraint

[Peter Ujfalusi]

The core implementation applies the msbits constraint to samples
where it should not.
Set the 24msbits constraint in the omap-mcpdm driver for 32
bit samples.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi at ti.com>
---
 sound/soc/omap/omap-mcpdm.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/soc/omap/omap-mcpdm.c b/sound/soc/omap/omap-mcpdm.c
index 3970556..50d758a 100644
--- a/sound/soc/omap/omap-mcpdm.c
+++ b/sound/soc/omap/omap-mcpdm.c
@@ -265,6 +265,8 @@ static int omap_mcpdm_dai_startup(struct snd_pcm_substream *substream,
 
 	mutex_lock(&mcpdm->mutex);
 
+	snd_pcm_hw_constraint_msbits(substream->runtime, 0, 32, 24);
+
 	if (!dai->active) {
 		/* Enable watch dog for ES above ES 1.0 to avoid saturation */
 		if (omap_rev() != OMAP4430_REV_ES1_0) {
@@ -419,14 +421,12 @@ 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,
 };
-- 
1.7.8.3