[PATCH v2 1/4] ALSA: hda/tas2781: add ptrs to calibration functions

Gergo Koteles
2023-12-30T00:09:58Z

Make calibration functions configurable to support different calibration
data storage modes.

Signed-off-by: Gergo Koteles <soyer@irl.hu>
---
include/sound/tas2781.h | 5 +++++
sound/pci/hda/tas2781_hda_i2c.c | 25 +++++++++++--------------
sound/soc/codecs/tas2781-comlib.c | 15 +++++++++++++++
3 files changed, 31 insertions(+), 14 deletions(-)

diff --git a/include/sound/tas2781.h b/include/sound/tas2781.h
index a6c808b22318..e17ceab4fead 100644
--- a/include/sound/tas2781.h
+++ b/include/sound/tas2781.h
@@ -131,6 +131,9 @@ struct tasdevice_priv {
const struct firmware *fmw, int offset);
int (*tasdevice_load_block)(struct tasdevice_priv *tas_priv,
struct tasdev_blk *block);
+
+ int (*save_calibration)(struct tasdevice_priv *tas_priv);
+ void (*apply_calibration)(struct tasdevice_priv *tas_priv);
};

void tas2781_reset(struct tasdevice_priv *tas_dev);
@@ -139,6 +142,8 @@ int tascodec_init(struct tasdevice_priv *tas_priv, void *codec,
struct tasdevice_priv *tasdevice_kzalloc(struct i2c_client *i2c);
int tasdevice_init(struct tasdevice_priv *tas_priv);
void tasdevice_remove(struct tasdevice_priv *tas_priv);
+int tasdevice_save_calibration(struct tasdevice_priv *tas_priv);
+void tasdevice_apply_calibration(struct tasdevice_priv *tas_priv);
int tasdevice_dev_read(struct tasdevice_priv *tas_priv,
unsigned short chn, unsigned int reg, unsigned int *value);
int tasdevice_dev_write(struct tasdevice_priv *tas_priv,
diff --git a/sound/pci/hda/tas2781_hda_i2c.c b/sound/pci/hda/tas2781_hda_i2c.c
index dfe281b57aa6..0f8d5f947f54 100644
--- a/sound/pci/hda/tas2781_hda_i2c.c
+++ b/sound/pci/hda/tas2781_hda_i2c.c
@@ -479,7 +479,7 @@ static int tas2781_save_calibration(struct tasdevice_priv *tas_priv)
dev_dbg(tas_priv->dev, "%4ld-%2d-%2d, %2d:%2d:%2d\n",
tm->tm_year, tm->tm_mon, tm->tm_mday,
tm->tm_hour, tm->tm_min, tm->tm_sec);
- tas2781_apply_calib(tas_priv);
+ tasdevice_apply_calibration(tas_priv);
} else
tas_priv->cali_data.total_sz = 0;

@@ -582,7 +582,7 @@ static void tasdev_fw_ready(const struct firmware *fmw, void *context)
/* If calibrated data occurs error, dsp will still works with default
* calibrated data inside algo.
*/
- tas2781_save_calibration(tas_priv);
+ tasdevice_save_calibration(tas_priv);

out:
mutex_unlock(&tas_hda->priv->codec_lock);
@@ -683,10 +683,6 @@ static int tas2781_hda_i2c_probe(struct i2c_client *clt)
const char *device_name;
int ret;

- if (strstr(dev_name(&clt->dev), "TIAS2781"))
- device_name = "TIAS2781";
- else
- return -ENODEV;

tas_hda = devm_kzalloc(&clt->dev, sizeof(*tas_hda), GFP_KERNEL);
if (!tas_hda)
@@ -699,6 +695,13 @@ static int tas2781_hda_i2c_probe(struct i2c_client *clt)
if (!tas_hda->priv)
return -ENOMEM;

+ if (strstr(dev_name(&clt->dev), "TIAS2781")) {
+ device_name = "TIAS2781";
+ tas_hda->priv->save_calibration = tas2781_save_calibration;
+ tas_hda->priv->apply_calibration = tas2781_apply_calib;
+ } else
+ return -ENODEV;
+
tas_hda->priv->irq_info.irq = clt->irq;
ret = tas2781_read_acpi(tas_hda->priv, device_name);
if (ret)
@@ -765,8 +768,6 @@ static int tas2781_runtime_suspend(struct device *dev)
static int tas2781_runtime_resume(struct device *dev)
{
struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
- unsigned long calib_data_sz =
- tas_hda->priv->ndev * TASDEVICE_SPEAKER_CALIBRATION_SIZE;

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

@@ -777,8 +778,7 @@ static int tas2781_runtime_resume(struct device *dev)
/* If calibrated data occurs error, dsp will still works with default
* calibrated data inside algo.
*/
- if (tas_hda->priv->cali_data.total_sz > calib_data_sz)
- tas2781_apply_calib(tas_hda->priv);
+ tasdevice_apply_calibration(tas_hda->priv);

mutex_unlock(&tas_hda->priv->codec_lock);

@@ -809,8 +809,6 @@ static int tas2781_system_suspend(struct device *dev)
static int tas2781_system_resume(struct device *dev)
{
struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
- unsigned long calib_data_sz =
- tas_hda->priv->ndev * TASDEVICE_SPEAKER_CALIBRATION_SIZE;
int i, ret;

dev_info(tas_hda->priv->dev, "System Resume\n");
@@ -832,8 +830,7 @@ static int tas2781_system_resume(struct device *dev)
/* If calibrated data occurs error, dsp will still work with default
* calibrated data inside algo.
*/
- if (tas_hda->priv->cali_data.total_sz > calib_data_sz)
- tas2781_apply_calib(tas_hda->priv);
+ tasdevice_apply_calibration(tas_hda->priv);
mutex_unlock(&tas_hda->priv->codec_lock);

return 0;
diff --git a/sound/soc/codecs/tas2781-comlib.c b/sound/soc/codecs/tas2781-comlib.c
index 00e35169ae49..b7e56ceb1acf 100644
--- a/sound/soc/codecs/tas2781-comlib.c
+++ b/sound/soc/codecs/tas2781-comlib.c
@@ -412,6 +412,21 @@ void tasdevice_remove(struct tasdevice_priv *tas_priv)
}
EXPORT_SYMBOL_GPL(tasdevice_remove);

+int tasdevice_save_calibration(struct tasdevice_priv *tas_priv)
+{
+ if (tas_priv->save_calibration)
+ return tas_priv->save_calibration(tas_priv);
+ return -EINVAL;
+}
+EXPORT_SYMBOL_GPL(tasdevice_save_calibration);
+
+void tasdevice_apply_calibration(struct tasdevice_priv *tas_priv)
+{
+ if (tas_priv->apply_calibration && tas_priv->cali_data.total_sz)
+ tas_priv->apply_calibration(tas_priv);
+}
+EXPORT_SYMBOL_GPL(tasdevice_apply_calibration);
+
static int tasdevice_clamp(int val, int max, unsigned int invert)
{
if (val > max)
--
2.43.0