ASoC: amd: acp: Add TDM slots setting support for ACP I2S controller

Modify set tdm slot function to set ACP I2S controller slots
in tdm mode based on number of slots.

Signed-off-by: Venkata Prasad Potturu <venkataprasad.potturu@amd.com>
Link: https://lore.kernel.org/r/20221018122711.2559452-1-venkataprasad.potturu@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/amd/acp/acp-i2s.c b/sound/soc/amd/acp/acp-i2s.c
index ac416572db0d3a5b8e1db41cb962f165bf009a66..09b6511c0a263c639835174986ada3c8bde38093 100644 (file)
--- a/sound/soc/amd/acp/acp-i2s.c
+++ b/sound/soc/amd/acp/acp-i2s.c
@@ -51,7 +51,7 @@ static int acp_i2s_set_tdm_slot(struct snd_soc_dai *dai, u32 tx_mask, u32 rx_mas
        struct device *dev = dai->component->dev;
        struct acp_dev_data *adata = snd_soc_dai_get_drvdata(dai);
        struct acp_stream *stream;
-       int slot_len;
+       int slot_len, no_of_slots;
 
        switch (slot_width) {
        case SLOT_WIDTH_8:
@@ -71,6 +71,20 @@ static int acp_i2s_set_tdm_slot(struct snd_soc_dai *dai, u32 tx_mask, u32 rx_mas
                return -EINVAL;
        }
 
+       switch (slots) {
+       case 1 ... 7:
+               no_of_slots = slots;
+               break;
+       case 8:
+               no_of_slots = 0;
+               break;
+       default:
+               dev_err(dev, "Unsupported slots %d\n", slots);
+               return -EINVAL;
+       }
+
+       slots = no_of_slots;
+
        spin_lock_irq(&adata->acp_lock);
        list_for_each_entry(stream, &adata->stream_list, list) {
                if (tx_mask && stream->dir == SNDRV_PCM_STREAM_PLAYBACK)