diff options
Diffstat (limited to 'sound/soc/codecs/cs35l41-lib.c')
| -rw-r--r-- | sound/soc/codecs/cs35l41-lib.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/sound/soc/codecs/cs35l41-lib.c b/sound/soc/codecs/cs35l41-lib.c index 5e382eaea340..afcec715374d 100644 --- a/sound/soc/codecs/cs35l41-lib.c +++ b/sound/soc/codecs/cs35l41-lib.c @@ -934,6 +934,38 @@ int cs35l41_register_errata_patch(struct device *dev, struct regmap *reg, unsign } EXPORT_SYMBOL_GPL(cs35l41_register_errata_patch); +int cs35l41_set_channels(struct device *dev, struct regmap *reg, + unsigned int tx_num, unsigned int *tx_slot, + unsigned int rx_num, unsigned int *rx_slot) +{ + unsigned int val, mask; + int i; + + if (tx_num > 4 || rx_num > 2) + return -EINVAL; + + val = 0; + mask = 0; + for (i = 0; i < rx_num; i++) { + dev_dbg(dev, "rx slot %d position = %d\n", i, rx_slot[i]); + val |= rx_slot[i] << (i * 8); + mask |= 0x3F << (i * 8); + } + regmap_update_bits(reg, CS35L41_SP_FRAME_RX_SLOT, mask, val); + + val = 0; + mask = 0; + for (i = 0; i < tx_num; i++) { + dev_dbg(dev, "tx slot %d position = %d\n", i, tx_slot[i]); + val |= tx_slot[i] << (i * 8); + mask |= 0x3F << (i * 8); + } + regmap_update_bits(reg, CS35L41_SP_FRAME_TX_SLOT, mask, val); + + return 0; +} +EXPORT_SYMBOL_GPL(cs35l41_set_channels); + MODULE_DESCRIPTION("CS35L41 library"); MODULE_AUTHOR("David Rhodes, Cirrus Logic Inc, <david.rhodes@cirrus.com>"); MODULE_AUTHOR("Lucas Tanure, Cirrus Logic Inc, <tanureal@opensource.cirrus.com>"); |