ASoC: rt5645: add register setting for TDM

We need to set extra register to avoid a recording issue in TDM mode. Signed-off-by: Bard Liao <bardliao@realtek.com> Signed-off-by: Mark Brown <broonie@kernel.org>
mariux64 · Nov 13, 2014 · 850577d · 850577d
1 parent 5563502
commit 850577d
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Showing 2 changed files with 5 additions and 1 deletion.
diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c
@@ -2112,8 +2112,11 @@ static int rt5645_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
 	struct snd_soc_codec *codec = dai->codec;
 	unsigned int val = 0;
 
-	if (rx_mask || tx_mask)
+	if (rx_mask || tx_mask) {
 		val |= (1 << 14);
+		snd_soc_update_bits(codec, RT5645_BASS_BACK,
+			RT5645_G_BB_BST_MASK, RT5645_G_BB_BST_25DB);
+	}
 
 	switch (slots) {
 	case 4:

diff --git a/sound/soc/codecs/rt5645.h b/sound/soc/codecs/rt5645.h
@@ -1855,6 +1855,7 @@
 #define RT5645_M_BB_HPF_R_SFT			6
 #define RT5645_G_BB_BST_MASK			(0x3f)
 #define RT5645_G_BB_BST_SFT			0
+#define RT5645_G_BB_BST_25DB			0x14
 
 /* MP3 Plus Control 1 (0xd0) */
 #define RT5645_M_MP3_L_MASK			(0x1 << 15)