ASoC: mediatek: mt8192: fix tdm out data is valid on rising edge

This patch correct tdm out bck inverse register to AUDIO_TOP_CON3[3].
Signed-off-by: Jiaxin Yu <jiaxin.yu@mediatek.com>
Link: https://lore.kernel.org/r/1615516005-781-1-git-send-email-jiaxin.yu@mediatek.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/mediatek/mt8192/mt8192-dai-tdm.c

@@ -555,7 +555,9 @@ static int mtk_dai_tdm_hw_params(struct snd_pcm_substream *substream,
 
 	/* set tdm */
 	if (tdm_priv->bck_invert)
-		tdm_con |= 1 << BCK_INVERSE_SFT;
+		regmap_update_bits(afe->regmap, AUDIO_TOP_CON3,
+				   BCK_INVERSE_MASK_SFT,
+				   0x1 << BCK_INVERSE_SFT);
 
 	if (tdm_priv->lck_invert)
 		tdm_con |= 1 << LRCK_INVERSE_SFT;

sound/soc/mediatek/mt8192/mt8192-reg.h

@@ -21,6 +21,11 @@ enum {
 /*****************************************************************************
  *                  R E G I S T E R       D E F I N I T I O N
  *****************************************************************************/
+/* AUDIO_TOP_CON3 */
+#define BCK_INVERSE_SFT                              3
+#define BCK_INVERSE_MASK                             0x1
+#define BCK_INVERSE_MASK_SFT                         (0x1 << 3)
+
 /* AFE_DAC_CON0 */
 #define VUL12_ON_SFT                                   31
 #define VUL12_ON_MASK                                  0x1
@@ -2079,9 +2084,6 @@ enum {
 #define TDM_EN_SFT                                     0
 #define TDM_EN_MASK                                    0x1
 #define TDM_EN_MASK_SFT                                (0x1 << 0)
-#define BCK_INVERSE_SFT                                1
-#define BCK_INVERSE_MASK                               0x1
-#define BCK_INVERSE_MASK_SFT                           (0x1 << 1)
 #define LRCK_INVERSE_SFT                               2
 #define LRCK_INVERSE_MASK                              0x1
 #define LRCK_INVERSE_MASK_SFT                          (0x1 << 2)