Each channel can be assigned a specific slot to transmit data. This assignment is done in the device tree.
Signed-off-by: Dan Murphy dmurphy@ti.com --- sound/soc/codecs/tlv320adcx140.c | 17 +++++++++++++++++ sound/soc/codecs/tlv320adcx140.h | 3 +++ 2 files changed, 20 insertions(+)
diff --git a/sound/soc/codecs/tlv320adcx140.c b/sound/soc/codecs/tlv320adcx140.c index 7fa5c8682c51..666b8f3091d0 100644 --- a/sound/soc/codecs/tlv320adcx140.c +++ b/sound/soc/codecs/tlv320adcx140.c @@ -837,6 +837,8 @@ static int adcx140_codec_probe(struct snd_soc_component *component) int gpi_count; u32 gpi_inputs[ADCX140_NUM_GPI_PINS]; u32 gpi_input_val = 0; + int slot_count; + u32 slot_assignment[ADCX140_NUM_CH]; int i; int ret; bool tx_high_z; @@ -941,6 +943,21 @@ static int adcx140_codec_probe(struct snd_soc_component *component) } }
+ slot_count = device_property_count_u32(adcx140->dev, "ti,slot-mapping"); + if ((slot_count <= ADCX140_NUM_CH) && (slot_count > 0)) { + ret = device_property_read_u32_array(adcx140->dev, "ti,slot-mapping", + slot_assignment, slot_count); + if (ret) + return ret; + + for (i = 0; i < slot_count; i++) { + ret = regmap_update_bits(adcx140->regmap, ADCX140_ASI_CH1 + i, + ADCX140_SLOT_MSK, slot_assignment[i]); + if (ret) + return ret; + } + } + adcx140_pwr_ctrl(adcx140, true); out: return ret; diff --git a/sound/soc/codecs/tlv320adcx140.h b/sound/soc/codecs/tlv320adcx140.h index 107bd7927d9c..5eb27b94aa0a 100644 --- a/sound/soc/codecs/tlv320adcx140.h +++ b/sound/soc/codecs/tlv320adcx140.h @@ -147,5 +147,8 @@ #define ADCX140_GPO_DRV_MAX 5
#define ADCX140_TX_FILL BIT(0) +#define ADCX140_NUM_CH 8 + +#define ADCX140_SLOT_MSK GENMASK(5, 0)
#endif /* _TLV320ADCX140_ */