diff options
Diffstat (limited to 'sound/soc/omap/omap-mcpdm.c')
| -rw-r--r-- | sound/soc/omap/omap-mcpdm.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/sound/soc/omap/omap-mcpdm.c b/sound/soc/omap/omap-mcpdm.c index bed09c27e44c..7727de0c998e 100644 --- a/sound/soc/omap/omap-mcpdm.c +++ b/sound/soc/omap/omap-mcpdm.c @@ -46,13 +46,13 @@ static struct omap_mcpdm_link omap_mcpdm_links[] = { /* downlink */ { .irq_mask = MCPDM_DN_IRQ_EMPTY | MCPDM_DN_IRQ_FULL, - .threshold = 1, + .threshold = 2, .format = PDMOUTFORMAT_LJUST, }, /* uplink */ { .irq_mask = MCPDM_UP_IRQ_EMPTY | MCPDM_UP_IRQ_FULL, - .threshold = 1, + .threshold = UP_THRES_MAX - 3, .format = PDMOUTFORMAT_LJUST, }, }; @@ -136,12 +136,11 @@ static int omap_mcpdm_dai_hw_params(struct snd_pcm_substream *substream, { struct omap_mcpdm_data *mcpdm_priv = snd_soc_dai_get_drvdata(dai); struct omap_mcpdm_link *mcpdm_links = mcpdm_priv->links; + struct omap_pcm_dma_data *dma_data; + int threshold; int stream = substream->stream; int channels, err, link_mask = 0; - snd_soc_dai_set_dma_data(dai, substream, - &omap_mcpdm_dai_dma_params[stream]); - channels = params_channels(params); switch (channels) { case 4: @@ -164,14 +163,22 @@ static int omap_mcpdm_dai_hw_params(struct snd_pcm_substream *substream, return -EINVAL; } + dma_data = &omap_mcpdm_dai_dma_params[stream]; + threshold = mcpdm_links[stream].threshold; + if (stream == SNDRV_PCM_STREAM_PLAYBACK) { mcpdm_links[stream].channels = link_mask << 3; + dma_data->packet_size = (DN_THRES_MAX - threshold) * channels; + err = omap_mcpdm_playback_open(&mcpdm_links[stream]); } else { mcpdm_links[stream].channels = link_mask << 0; + dma_data->packet_size = threshold * channels; + err = omap_mcpdm_capture_open(&mcpdm_links[stream]); } + snd_soc_dai_set_dma_data(dai, substream, dma_data); return err; } |