[PATCH 03/16] ASoC: tas2781: disable regmap regcache

Gergo Koteles
2023-12-07T00:00:15Z

The amp has 3 level addressing (BOOK, PAGE, REG).
The regcache couldn't handle it.

Signed-off-by: Gergo Koteles <soyer@irl.hu>
---
sound/pci/hda/tas2781_hda_i2c.c | 17 +----------------
sound/soc/codecs/tas2781-comlib.c | 2 +-
2 files changed, 2 insertions(+), 17 deletions(-)

diff --git a/sound/pci/hda/tas2781_hda_i2c.c b/sound/pci/hda/tas2781_hda_i2c.c
index 077a01521eef..d272d3d08b29 100644
--- a/sound/pci/hda/tas2781_hda_i2c.c
+++ b/sound/pci/hda/tas2781_hda_i2c.c
@@ -717,8 +717,6 @@ static int tas2781_runtime_suspend(struct device *dev)
tas_priv->tasdevice[i].cur_conf = -1;
}

- regcache_cache_only(tas_priv->regmap, true);
- regcache_mark_dirty(tas_priv->regmap);

mutex_unlock(&tas_priv->codec_lock);

@@ -730,20 +728,11 @@ static int tas2781_runtime_resume(struct device *dev)
struct tasdevice_priv *tas_priv = dev_get_drvdata(dev);
unsigned long calib_data_sz =
tas_priv->ndev * TASDEVICE_SPEAKER_CALIBRATION_SIZE;
- int ret;

dev_dbg(tas_priv->dev, "Runtime Resume\n");

mutex_lock(&tas_priv->codec_lock);

- regcache_cache_only(tas_priv->regmap, false);
- ret = regcache_sync(tas_priv->regmap);
- if (ret) {
- dev_err(tas_priv->dev,
- "Failed to restore register cache: %d\n", ret);
- goto out;
- }
-
tasdevice_prmg_load(tas_priv, tas_priv->cur_prog);

/* If calibrated data occurs error, dsp will still works with default
@@ -752,10 +741,9 @@ static int tas2781_runtime_resume(struct device *dev)
if (tas_priv->cali_data.total_sz > calib_data_sz)
tas2781_apply_calib(tas_priv);

-out:
mutex_unlock(&tas_priv->codec_lock);

- return ret;
+ return 0;
}

static int tas2781_system_suspend(struct device *dev)
@@ -770,10 +758,7 @@ static int tas2781_system_suspend(struct device *dev)
return ret;

/* Shutdown chip before system suspend */
- regcache_cache_only(tas_priv->regmap, false);
tasdevice_tuning_switch(tas_priv, 1);
- regcache_cache_only(tas_priv->regmap, true);
- regcache_mark_dirty(tas_priv->regmap);

/*
* Reset GPIO may be shared, so cannot reset here.
diff --git a/sound/soc/codecs/tas2781-comlib.c b/sound/soc/codecs/tas2781-comlib.c
index ffb26e4a7e2f..933cd008e9f5 100644
--- a/sound/soc/codecs/tas2781-comlib.c
+++ b/sound/soc/codecs/tas2781-comlib.c
@@ -39,7 +39,7 @@ static const struct regmap_range_cfg tasdevice_ranges[] = {
static const struct regmap_config tasdevice_regmap = {
.reg_bits = 8,
.val_bits = 8,
- .cache_type = REGCACHE_RBTREE,
+ .cache_type = REGCACHE_NONE,
.ranges = tasdevice_ranges,
.num_ranges = ARRAY_SIZE(tasdevice_ranges),
.max_register = 256 * 128,
--
2.43.0