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Subject[PATCH 7/8] ASoC: omap-mcpdm: Correct the supported number of channels
Date
OMAP4 McPDM supports 5 downlink (playback), and
3 uplink (capture) channels.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
---
sound/soc/omap/omap-mcpdm.c | 14 ++++++++------
1 files changed, 8 insertions(+), 6 deletions(-)
diff --git a/sound/soc/omap/omap-mcpdm.c b/sound/soc/omap/omap-mcpdm.c
index 23eaacb..41d1706 100644
--- a/sound/soc/omap/omap-mcpdm.c
+++ b/sound/soc/omap/omap-mcpdm.c
@@ -315,15 +315,17 @@ static int omap_mcpdm_dai_hw_params(struct snd_pcm_substream *substream,

channels = params_channels(params);
switch (channels) {
+ case 5:
+ if (stream == SNDRV_PCM_STREAM_CAPTURE)
+ /* up to 3 channels for capture */
+ return -EINVAL;
+ link_mask |= 1 << 4;
case 4:
if (stream == SNDRV_PCM_STREAM_CAPTURE)
- /* up to 2 channels for capture */
+ /* up to 3 channels for capture */
return -EINVAL;
link_mask |= 1 << 3;
case 3:
- if (stream == SNDRV_PCM_STREAM_CAPTURE)
- /* up to 2 channels for capture */
- return -EINVAL;
link_mask |= 1 << 2;
case 2:
link_mask |= 1 << 1;
@@ -419,13 +421,13 @@ static struct snd_soc_dai_driver omap_mcpdm_dai = {
.remove_order = SND_SOC_COMP_ORDER_EARLY,
.playback = {
.channels_min = 1,
- .channels_max = 4,
+ .channels_max = 5,
.rates = OMAP_MCPDM_RATES,
.formats = OMAP_MCPDM_FORMATS,
},
.capture = {
.channels_min = 1,
- .channels_max = 2,
+ .channels_max = 3,
.rates = OMAP_MCPDM_RATES,
.formats = OMAP_MCPDM_FORMATS,
},
--
1.7.6.1


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