[PATCH 2/4] ALSA: hda: hda_component: Change codecs to use component parent structure

Simon Trimmer
2024-06-17T15:44:44Z

Change the hda_component binding APIs to pass the hds_component_parent
as the parameter so the array of components can be abstracted.

Signed-off-by: Simon Trimmer <simont@opensource.cirrus.com>
---
sound/pci/hda/cs35l41_hda.c | 42 +++++++++++++++++++--------------
sound/pci/hda/cs35l56_hda.c | 25 +++++++++++---------
sound/pci/hda/hda_component.c | 2 +-
sound/pci/hda/hda_component.h | 2 +-
sound/pci/hda/tas2781_hda_i2c.c | 33 +++++++++++++-------------
5 files changed, 57 insertions(+), 47 deletions(-)

diff --git a/sound/pci/hda/cs35l41_hda.c b/sound/pci/hda/cs35l41_hda.c
index d54d4d60b03e..32c9d95150ba 100644
--- a/sound/pci/hda/cs35l41_hda.c
+++ b/sound/pci/hda/cs35l41_hda.c
@@ -1419,27 +1419,28 @@ static void cs35l41_acpi_device_notify(acpi_handle handle, u32 event, struct dev
static int cs35l41_hda_bind(struct device *dev, struct device *master, void *master_data)
{
struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev);
- struct hda_component *comps = master_data;
+ struct hda_component_parent *parent = master_data;
+ struct hda_component *comp;
unsigned int sleep_flags;
int ret = 0;

- if (!comps || cs35l41->index < 0 || cs35l41->index >= HDA_MAX_COMPONENTS)
+ comp = hda_component_from_index(parent, cs35l41->index);
+ if (!comp)
return -EINVAL;

- comps = &comps[cs35l41->index];
- if (comps->dev)
+ if (comp->dev)
return -EBUSY;

pm_runtime_get_sync(dev);

mutex_lock(&cs35l41->fw_mutex);

- comps->dev = dev;
+ comp->dev = dev;
if (!cs35l41->acpi_subsystem_id)
cs35l41->acpi_subsystem_id = kasprintf(GFP_KERNEL, "%.8x",
- comps->codec->core.subsystem_id);
- cs35l41->codec = comps->codec;
- strscpy(comps->name, dev_name(dev), sizeof(comps->name));
+ comp->codec->core.subsystem_id);
+ cs35l41->codec = comp->codec;
+ strscpy(comp->name, dev_name(dev), sizeof(comp->name));

cs35l41->firmware_type = HDA_CS_DSP_FW_SPK_PROT;

@@ -1454,13 +1455,13 @@ static int cs35l41_hda_bind(struct device *dev, struct device *master, void *mas

ret = cs35l41_create_controls(cs35l41);

- comps->playback_hook = cs35l41_hda_playback_hook;
- comps->pre_playback_hook = cs35l41_hda_pre_playback_hook;
- comps->post_playback_hook = cs35l41_hda_post_playback_hook;
- comps->acpi_notify = cs35l41_acpi_device_notify;
- comps->adev = cs35l41->dacpi;
+ comp->playback_hook = cs35l41_hda_playback_hook;
+ comp->pre_playback_hook = cs35l41_hda_pre_playback_hook;
+ comp->post_playback_hook = cs35l41_hda_post_playback_hook;
+ comp->acpi_notify = cs35l41_acpi_device_notify;
+ comp->adev = cs35l41->dacpi;

- comps->acpi_notifications_supported = cs35l41_dsm_supported(acpi_device_handle(comps->adev),
+ comp->acpi_notifications_supported = cs35l41_dsm_supported(acpi_device_handle(comp->adev),
CS35L41_DSM_GET_MUTE);

cs35l41->mute_override = cs35l41_get_acpi_mute_state(cs35l41,
@@ -1469,7 +1470,7 @@ static int cs35l41_hda_bind(struct device *dev, struct device *master, void *mas
mutex_unlock(&cs35l41->fw_mutex);

sleep_flags = lock_system_sleep();
- if (!device_link_add(&comps->codec->core.dev, cs35l41->dev, DL_FLAG_STATELESS))
+ if (!device_link_add(&comp->codec->core.dev, cs35l41->dev, DL_FLAG_STATELESS))
dev_warn(dev, "Unable to create device link\n");
unlock_system_sleep(sleep_flags);

@@ -1489,14 +1490,19 @@ static int cs35l41_hda_bind(struct device *dev, struct device *master, void *mas
static void cs35l41_hda_unbind(struct device *dev, struct device *master, void *master_data)
{
struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev);
- struct hda_component *comps = master_data;
+ struct hda_component_parent *parent = master_data;
+ struct hda_component *comp;
unsigned int sleep_flags;

- if (comps[cs35l41->index].dev == dev) {
- memset(&comps[cs35l41->index], 0, sizeof(*comps));
+ comp = hda_component_from_index(parent, cs35l41->index);
+ if (!comp)
+ return;
+
+ if (comp->dev == dev) {
sleep_flags = lock_system_sleep();
device_link_remove(&cs35l41->codec->core.dev, cs35l41->dev);
unlock_system_sleep(sleep_flags);
+ memset(comp, 0, sizeof(*comp));
}
}

diff --git a/sound/pci/hda/cs35l56_hda.c b/sound/pci/hda/cs35l56_hda.c
index 0923e2589f5f..abe415795d90 100644
--- a/sound/pci/hda/cs35l56_hda.c
+++ b/sound/pci/hda/cs35l56_hda.c
@@ -685,20 +685,21 @@ static int cs35l56_hda_fw_load(struct cs35l56_hda *cs35l56)
static int cs35l56_hda_bind(struct device *dev, struct device *master, void *master_data)
{
struct cs35l56_hda *cs35l56 = dev_get_drvdata(dev);
- struct hda_component *comps = master_data;
+ struct hda_component_parent *parent = master_data;
+ struct hda_component *comp;
int ret;

- if (!comps || cs35l56->index < 0 || cs35l56->index >= HDA_MAX_COMPONENTS)
+ comp = hda_component_from_index(parent, cs35l56->index);
+ if (!comp)
return -EINVAL;

- comps = &comps[cs35l56->index];
- if (comps->dev)
+ if (comp->dev)
return -EBUSY;

- comps->dev = dev;
- cs35l56->codec = comps->codec;
- strscpy(comps->name, dev_name(dev), sizeof(comps->name));
- comps->playback_hook = cs35l56_hda_playback_hook;
+ comp->dev = dev;
+ cs35l56->codec = comp->codec;
+ strscpy(comp->name, dev_name(dev), sizeof(comp->name));
+ comp->playback_hook = cs35l56_hda_playback_hook;

ret = cs35l56_hda_fw_load(cs35l56);
if (ret)
@@ -720,7 +721,8 @@ static int cs35l56_hda_bind(struct device *dev, struct device *master, void *mas
static void cs35l56_hda_unbind(struct device *dev, struct device *master, void *master_data)
{
struct cs35l56_hda *cs35l56 = dev_get_drvdata(dev);
- struct hda_component *comps = master_data;
+ struct hda_component_parent *parent = master_data;
+ struct hda_component *comp;

cs35l56_hda_remove_controls(cs35l56);

@@ -732,8 +734,9 @@ static void cs35l56_hda_unbind(struct device *dev, struct device *master, void *
if (cs35l56->base.fw_patched)
cs_dsp_power_down(&cs35l56->cs_dsp);

- if (comps[cs35l56->index].dev == dev)
- memset(&comps[cs35l56->index], 0, sizeof(*comps));
+ comp = hda_component_from_index(parent, cs35l56->index);
+ if (comp && (comp->dev == dev))
+ memset(comp, 0, sizeof(*comp));

cs35l56->codec = NULL;

diff --git a/sound/pci/hda/hda_component.c b/sound/pci/hda/hda_component.c
index b05a0b87d32a..8c11c8b37799 100644
--- a/sound/pci/hda/hda_component.c
+++ b/sound/pci/hda/hda_component.c
@@ -141,7 +141,7 @@ int hda_component_manager_bind(struct hda_codec *cdc,
for (i = 0; i < ARRAY_SIZE(parent->comps); i++)
parent->comps[i].codec = cdc;

- return component_bind_all(hda_codec_dev(cdc), &parent->comps);
+ return component_bind_all(hda_codec_dev(cdc), parent);
}
EXPORT_SYMBOL_NS_GPL(hda_component_manager_bind, SND_HDA_SCODEC_COMPONENT);

diff --git a/sound/pci/hda/hda_component.h b/sound/pci/hda/hda_component.h
index a016f1b942a2..e547e1f1e674 100644
--- a/sound/pci/hda/hda_component.h
+++ b/sound/pci/hda/hda_component.h
@@ -93,7 +93,7 @@ static inline struct hda_component *hda_component_from_index(struct hda_componen
static inline void hda_component_manager_unbind(struct hda_codec *cdc,
struct hda_component_parent *parent)
{
- component_unbind_all(hda_codec_dev(cdc), &parent->comps);
+ component_unbind_all(hda_codec_dev(cdc), parent);
}

#endif /* ifndef __HDA_COMPONENT_H__ */
diff --git a/sound/pci/hda/tas2781_hda_i2c.c b/sound/pci/hda/tas2781_hda_i2c.c
index 75f7674c66ee..2794acd4c9ab 100644
--- a/sound/pci/hda/tas2781_hda_i2c.c
+++ b/sound/pci/hda/tas2781_hda_i2c.c
@@ -706,20 +706,20 @@ static int tas2781_hda_bind(struct device *dev, struct device *master,
void *master_data)
{
struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
- struct hda_component *comps = master_data;
+ struct hda_component_parent *parent = master_data;
+ struct hda_component *comp;
struct hda_codec *codec;
unsigned int subid;
int ret;

- if (!comps || tas_hda->priv->index < 0 ||
- tas_hda->priv->index >= HDA_MAX_COMPONENTS)
+ comp = hda_component_from_index(parent, tas_hda->priv->index);
+ if (!comp)
return -EINVAL;

- comps = &comps[tas_hda->priv->index];
- if (comps->dev)
+ if (comp->dev)
return -EBUSY;

- codec = comps->codec;
+ codec = comp->codec;
subid = codec->core.subsystem_id >> 16;

switch (subid) {
@@ -733,13 +733,13 @@ static int tas2781_hda_bind(struct device *dev, struct device *master,

pm_runtime_get_sync(dev);

- comps->dev = dev;
+ comp->dev = dev;

- strscpy(comps->name, dev_name(dev), sizeof(comps->name));
+ strscpy(comp->name, dev_name(dev), sizeof(comp->name));

ret = tascodec_init(tas_hda->priv, codec, THIS_MODULE, tasdev_fw_ready);
if (!ret)
- comps->playback_hook = tas2781_hda_playback_hook;
+ comp->playback_hook = tas2781_hda_playback_hook;

pm_runtime_mark_last_busy(dev);
pm_runtime_put_autosuspend(dev);
@@ -751,13 +751,14 @@ static void tas2781_hda_unbind(struct device *dev,
struct device *master, void *master_data)
{
struct tas2781_hda *tas_hda = dev_get_drvdata(dev);
- struct hda_component *comps = master_data;
- comps = &comps[tas_hda->priv->index];
-
- if (comps->dev == dev) {
- comps->dev = NULL;
- memset(comps->name, 0, sizeof(comps->name));
- comps->playback_hook = NULL;
+ struct hda_component_parent *parent = master_data;
+ struct hda_component *comp;
+
+ comp = hda_component_from_index(parent, tas_hda->priv->index);
+ if (comp && (comp->dev == dev)) {
+ comp->dev = NULL;
+ memset(comp->name, 0, sizeof(comp->name));
+ comp->playback_hook = NULL;
}

tas2781_hda_remove_controls(tas_hda);
--
2.34.1