From bdde278a77d3220ba7991e6ff5e992716981ae30 Mon Sep 17 00:00:00 2001
From: Venkata Prasad Potturu <venkataprasad.potturu@amd.com>
Date: Tue, 18 Oct 2022 17:57:06 +0530
Subject: [PATCH] ASoC: amd: acp: Add TDM slots setting support for ACP I2S controller
Git-commit: bdde278a77d3220ba7991e6ff5e992716981ae30
Patch-mainline: v6.2-rc1
References: bsc#1219136

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>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 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)
-- 
2.35.3