[PATCH v5 05/10] ASoC: cs35l41: Create shared function for setting channels

Lucas Tanure
2021-12-16T11:44:09Z

ASoC and HDA will use the same register to set channels
for the device

Signed-off-by: Lucas Tanure <tanureal@opensource.cirrus.com>
---
include/sound/cs35l41.h | 3 +++
sound/soc/codecs/cs35l41-lib.c | 32 ++++++++++++++++++++++++++++++++
sound/soc/codecs/cs35l41.c | 30 +++---------------------------
3 files changed, 38 insertions(+), 27 deletions(-)

diff --git a/include/sound/cs35l41.h b/include/sound/cs35l41.h
index ad2e32a12b8c..39d150f61382 100644
--- a/include/sound/cs35l41.h
+++ b/include/sound/cs35l41.h
@@ -764,5 +764,8 @@ extern struct regmap_config cs35l41_regmap_spi;

int cs35l41_otp_unpack(struct device *dev, struct regmap *regmap);
int cs35l41_register_errata_patch(struct device *dev, struct regmap *reg, unsigned int reg_revid);
+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);

#endif /* __CS35L41_H */
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>");
diff --git a/sound/soc/codecs/cs35l41.c b/sound/soc/codecs/cs35l41.c
index afc10f7ca65e..88d6e77fdb50 100644
--- a/sound/soc/codecs/cs35l41.c
+++ b/sound/soc/codecs/cs35l41.c
@@ -751,36 +751,12 @@ static const struct cs_dsp_region cs35l41_dsp1_regions[] = {
{. type = WMFW_ADSP2_YM, .base = CS35L41_DSP1_YMEM_UNPACK24_0},
};

-static int cs35l41_set_channel_map(struct snd_soc_dai *dai, unsigned int tx_num,
- unsigned int *tx_slot, unsigned int rx_num,
- unsigned int *rx_slot)
+static int cs35l41_set_channel_map(struct snd_soc_dai *dai, unsigned int tx_n,
+ unsigned int *tx_slot, unsigned int rx_n, unsigned int *rx_slot)
{
struct cs35l41_private *cs35l41 = snd_soc_component_get_drvdata(dai->component);
- 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(cs35l41->dev, "rx slot %d position = %d\n", i, rx_slot[i]);
- val |= rx_slot[i] << (i * 8);
- mask |= 0x3F << (i * 8);
- }
- regmap_update_bits(cs35l41->regmap, CS35L41_SP_FRAME_RX_SLOT, mask, val);
-
- val = 0;
- mask = 0;
- for (i = 0; i < tx_num; i++) {
- dev_dbg(cs35l41->dev, "tx slot %d position = %d\n", i, tx_slot[i]);
- val |= tx_slot[i] << (i * 8);
- mask |= 0x3F << (i * 8);
- }
- regmap_update_bits(cs35l41->regmap, CS35L41_SP_FRAME_TX_SLOT, mask, val);
-
- return 0;
+ return cs35l41_set_channels(cs35l41->dev, cs35l41->regmap, tx_n, tx_slot, rx_n, rx_slot);
}

static int cs35l41_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
--
2.34.1