[PATCH] ASoC: rt5682s: Fix the TDM Tx settings

[derek.fang at realtek.com]

From: Derek Fang <derek.fang at realtek.com>

Complete the missing and correct the TDM Tx settings.

Signed-off-by: Derek Fang <derek.fang at realtek.com>
---
 sound/soc/codecs/rt5682s.c | 15 +++++++++++++--
 sound/soc/codecs/rt5682s.h |  1 +
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/sound/soc/codecs/rt5682s.c b/sound/soc/codecs/rt5682s.c
index 3b91a3442c68..5199d3bbaf0b 100644
--- a/sound/soc/codecs/rt5682s.c
+++ b/sound/soc/codecs/rt5682s.c
@@ -1981,7 +1981,7 @@ static int rt5682s_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
 		unsigned int rx_mask, int slots, int slot_width)
 {
 	struct snd_soc_component *component = dai->component;
-	unsigned int cl, val = 0;
+	unsigned int cl, val = 0, tx_slotnum;
 
 	if (tx_mask || rx_mask)
 		snd_soc_component_update_bits(component,
@@ -1990,6 +1990,16 @@ static int rt5682s_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
 		snd_soc_component_update_bits(component,
 			RT5682S_TDM_ADDA_CTRL_2, RT5682S_TDM_EN, 0);
 
+	/* Tx slot configuration */
+	tx_slotnum = hweight_long(tx_mask);
+	if (tx_slotnum) {
+		if (tx_slotnum > slots) {
+			dev_err(component->dev, "Invalid or oversized Tx slots.\n");
+			return -EINVAL;
+		}
+		val |= (tx_slotnum - 1) << RT5682S_TDM_ADC_DL_SFT;
+	}
+
 	switch (slots) {
 	case 4:
 		val |= RT5682S_TDM_TX_CH_4;
@@ -2010,7 +2020,8 @@ static int rt5682s_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
 	}
 
 	snd_soc_component_update_bits(component, RT5682S_TDM_CTRL,
-		RT5682S_TDM_TX_CH_MASK | RT5682S_TDM_RX_CH_MASK, val);
+		RT5682S_TDM_TX_CH_MASK | RT5682S_TDM_RX_CH_MASK |
+		RT5682S_TDM_ADC_DL_MASK, val);
 
 	switch (slot_width) {
 	case 8:
diff --git a/sound/soc/codecs/rt5682s.h b/sound/soc/codecs/rt5682s.h
index 824dc6543c18..45464a041765 100644
--- a/sound/soc/codecs/rt5682s.h
+++ b/sound/soc/codecs/rt5682s.h
@@ -899,6 +899,7 @@
 #define RT5682S_TDM_RX_CH_8			(0x3 << 8)
 #define RT5682S_TDM_ADC_LCA_MASK		(0x7 << 4)
 #define RT5682S_TDM_ADC_LCA_SFT			4
+#define RT5682S_TDM_ADC_DL_MASK			(0x3 << 0)
 #define RT5682S_TDM_ADC_DL_SFT			0
 
 /* TDM control 2 (0x007a) */
-- 
2.17.1