[PATCH] ASOC: amd: acp: Add TDM slots setting support for ACP I2S controller

From: Venkata Prasad Potturu
Date: Tue Oct 18 2022 - 08:23:23 EST


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@xxxxxxx>
---
sound/soc/amd/acp/acp-i2s.c | 16 +++++++++++++++-
1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/sound/soc/amd/acp/acp-i2s.c b/sound/soc/amd/acp/acp-i2s.c
index ac416572db0d..09b6511c0a26 100644
--- 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)
--
2.25.1