linux-kernel - [PATCH v6 4/7] ASoC: tas2562: Add rx and tx slot programming

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Message-ID: <20200624174932.9604-5-dmurphy@ti.com>
Date:   Wed, 24 Jun 2020 12:49:29 -0500
From:   Dan Murphy <dmurphy@...com>
To:     <lgirdwood@...il.com>, <broonie@...nel.org>, <perex@...ex.cz>,
        <tiwai@...e.com>
CC:     <alsa-devel@...a-project.org>, <linux-kernel@...r.kernel.org>,
        <robh@...nel.org>, <devicetree@...r.kernel.org>,
        Dan Murphy <dmurphy@...com>
Subject: [PATCH v6 4/7] ASoC: tas2562: Add rx and tx slot programming

Add programming for the tdm slots for both tx and rx offsets.

Signed-off-by: Dan Murphy <dmurphy@...com>
---
 sound/soc/codecs/tas2562.c | 17 ++++++++++++++++-
 sound/soc/codecs/tas2562.h |  4 ++++
 2 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/sound/soc/codecs/tas2562.c b/sound/soc/codecs/tas2562.c
index d26e30a2948c..2f1d4b697f01 100644
--- a/sound/soc/codecs/tas2562.c
+++ b/sound/soc/codecs/tas2562.c
@@ -208,6 +208,22 @@ static int tas2562_set_dai_tdm_slot(struct snd_soc_dai *dai,
 	if (ret < 0)
 		return ret;
 
+	if (tx_mask > TAS2562_TX_OFF_MAX) {
+		dev_err(tas2562->dev, "TX slot is larger then %d",
+			TAS2562_TX_OFF_MAX);
+		return -EINVAL;
+	}
+
+	ret = snd_soc_component_update_bits(component, TAS2562_TDM_CFG1,
+					    TAS2562_RX_OFF_MASK, rx_mask << 1);
+	if (ret < 0)
+		return ret;
+
+	ret = snd_soc_component_update_bits(component, TAS2562_TDM_CFG4,
+					    TAS2562_TX_OFF_MASK, tx_mask << 1);
+	if (ret < 0)
+		return ret;
+
 	return 0;
 }
 
@@ -327,7 +343,6 @@ static int tas2562_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
 	ret = snd_soc_component_update_bits(component, TAS2562_TDM_CFG1,
 					    TAS2562_TDM_CFG1_RX_OFFSET_MASK,
 					    tdm_rx_start_slot);
-
 	if (ret < 0)
 		return ret;
 
diff --git a/sound/soc/codecs/tas2562.h b/sound/soc/codecs/tas2562.h
index 28e75fc431d0..47e59c82eef3 100644
--- a/sound/soc/codecs/tas2562.h
+++ b/sound/soc/codecs/tas2562.h
@@ -34,6 +34,10 @@
 #define TAS2562_TDM_DET		TAS2562_REG(0, 0x11)
 #define TAS2562_REV_ID		TAS2562_REG(0, 0x7d)
 
+#define TAS2562_RX_OFF_MASK	GENMASK(5, 1)
+#define TAS2562_TX_OFF_MASK	GENMASK(3, 1)
+#define TAS2562_TX_OFF_MAX	7
+
 /* Page 2 */
 #define TAS2562_DVC_CFG1	TAS2562_REG(2, 0x0c)
 #define TAS2562_DVC_CFG2	TAS2562_REG(2, 0x0d)
-- 
2.26.2