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-rw-r--r--sound/soc/codecs/tas2770.c25
-rw-r--r--sound/soc/codecs/tas2770.h6
2 files changed, 31 insertions, 0 deletions
diff --git a/sound/soc/codecs/tas2770.c b/sound/soc/codecs/tas2770.c
index 8de7e94d4ba4..55e472304404 100644
--- a/sound/soc/codecs/tas2770.c
+++ b/sound/soc/codecs/tas2770.c
@@ -240,6 +240,19 @@ static int tas2770_set_ivsense_transmit(struct tas2770_priv *tas2770,
return 0;
}
+static int tas2770_set_pdm_transmit(struct tas2770_priv *tas2770, int slot)
+{
+ struct snd_soc_component *component = tas2770->component;
+ int ret;
+
+ ret = snd_soc_component_update_bits(component, TAS2770_TDM_CFG_REG7,
+ TAS2770_TDM_CFG_REG7_PDM_MASK |
+ TAS2770_TDM_CFG_REG7_50_MASK,
+ TAS2770_TDM_CFG_REG7_PDM_ENABLE |
+ slot);
+ return ret;
+}
+
static int tas2770_set_bitwidth(struct tas2770_priv *tas2770, int bitwidth)
{
int ret;
@@ -543,6 +556,13 @@ static int tas2770_codec_probe(struct snd_soc_component *component)
return ret;
}
+ if (tas2770->pdm_slot != -1) {
+ ret = tas2770_set_pdm_transmit(tas2770, tas2770->pdm_slot);
+
+ if (ret < 0)
+ return ret;
+ }
+
return 0;
}
@@ -682,6 +702,11 @@ static int tas2770_parse_dt(struct device *dev, struct tas2770_priv *tas2770)
tas2770->v_sense_slot = -1;
}
+ rc = fwnode_property_read_u32(dev->fwnode, "ti,pdm-slot-no",
+ &tas2770->pdm_slot);
+ if (rc)
+ tas2770->pdm_slot = -1;
+
tas2770->sdz_gpio = devm_gpiod_get_optional(dev, "shutdown", GPIOD_OUT_HIGH);
if (IS_ERR(tas2770->sdz_gpio)) {
if (PTR_ERR(tas2770->sdz_gpio) == -EPROBE_DEFER)
diff --git a/sound/soc/codecs/tas2770.h b/sound/soc/codecs/tas2770.h
index f75f40781ab1..3fd2e7003c50 100644
--- a/sound/soc/codecs/tas2770.h
+++ b/sound/soc/codecs/tas2770.h
@@ -77,6 +77,11 @@
#define TAS2770_TDM_CFG_REG6_ISNS_MASK BIT(6)
#define TAS2770_TDM_CFG_REG6_ISNS_ENABLE BIT(6)
#define TAS2770_TDM_CFG_REG6_50_MASK GENMASK(5, 0)
+ /* TDM Configuration Reg10 */
+#define TAS2770_TDM_CFG_REG7 TAS2770_REG(0X0, 0x11)
+#define TAS2770_TDM_CFG_REG7_PDM_MASK BIT(6)
+#define TAS2770_TDM_CFG_REG7_PDM_ENABLE BIT(6)
+#define TAS2770_TDM_CFG_REG7_50_MASK GENMASK(5, 0)
/* Brown Out Prevention Reg0 */
#define TAS2770_BO_PRV_REG0 TAS2770_REG(0X0, 0x1B)
/* Interrupt MASK Reg0 */
@@ -138,6 +143,7 @@ struct tas2770_priv {
struct device *dev;
int v_sense_slot;
int i_sense_slot;
+ int pdm_slot;
bool dac_powered;
bool unmuted;
};