6.9-stable review patch. If anyone has any objections, please let me know.
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From: Richard Fitzgerald rf@opensource.cirrus.com
[ Upstream commit ec6f32bc924d1c00cbcd5672510758f7088f2513 ]
Move the initialization of the shared struct hda_component array into hda_component_manager_bind().
The purpose of the manager bind() callback is to allow it to perform initialization before binding in the component drivers. This is the correct place to initialize the shared data.
The original implementation initialized the shared data in hda_component_manager_init(). This is only done once during probe() of the manager driver. So if the component binding was unbound and then rebound, the shared data would not be re-initialized.
Signed-off-by: Richard Fitzgerald rf@opensource.cirrus.com Fixes: fd895a74dc1d ("ALSA: hda: realtek: Move hda_component implementation to module") Link: https://lore.kernel.org/r/20240508100347.47283-1-rf@opensource.cirrus.com Signed-off-by: Takashi Iwai tiwai@suse.de Signed-off-by: Sasha Levin sashal@kernel.org --- sound/pci/hda/hda_component.c | 16 +++++++++++++++- sound/pci/hda/hda_component.h | 7 ++----- sound/pci/hda/patch_realtek.c | 2 +- 3 files changed, 18 insertions(+), 7 deletions(-)
diff --git a/sound/pci/hda/hda_component.c b/sound/pci/hda/hda_component.c index cd299d7d84baf..d02589014a3fa 100644 --- a/sound/pci/hda/hda_component.c +++ b/sound/pci/hda/hda_component.c @@ -123,6 +123,21 @@ static int hda_comp_match_dev_name(struct device *dev, void *data) return !strcmp(d + n, tmp); }
+int hda_component_manager_bind(struct hda_codec *cdc, + struct hda_component *comps, int count) +{ + int i; + + /* Init shared data */ + for (i = 0; i < count; ++i) { + memset(&comps[i], 0, sizeof(comps[i])); + comps[i].codec = cdc; + } + + return component_bind_all(hda_codec_dev(cdc), comps); +} +EXPORT_SYMBOL_NS_GPL(hda_component_manager_bind, SND_HDA_SCODEC_COMPONENT); + int hda_component_manager_init(struct hda_codec *cdc, struct hda_component *comps, int count, const char *bus, const char *hid, @@ -143,7 +158,6 @@ int hda_component_manager_init(struct hda_codec *cdc, sm->hid = hid; sm->match_str = match_str; sm->index = i; - comps[i].codec = cdc; component_match_add(dev, &match, hda_comp_match_dev_name, sm); }
diff --git a/sound/pci/hda/hda_component.h b/sound/pci/hda/hda_component.h index c80a66691b5d8..c70b3de68ab20 100644 --- a/sound/pci/hda/hda_component.h +++ b/sound/pci/hda/hda_component.h @@ -75,11 +75,8 @@ int hda_component_manager_init(struct hda_codec *cdc, void hda_component_manager_free(struct hda_codec *cdc, const struct component_master_ops *ops);
-static inline int hda_component_manager_bind(struct hda_codec *cdc, - struct hda_component *comps) -{ - return component_bind_all(hda_codec_dev(cdc), comps); -} +int hda_component_manager_bind(struct hda_codec *cdc, + struct hda_component *comps, int count);
static inline void hda_component_manager_unbind(struct hda_codec *cdc, struct hda_component *comps) diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 3b8b4ab488a61..08598a4f1fa3f 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -6793,7 +6793,7 @@ static int comp_bind(struct device *dev) struct alc_spec *spec = cdc->spec; int ret;
- ret = hda_component_manager_bind(cdc, spec->comps); + ret = hda_component_manager_bind(cdc, spec->comps, ARRAY_SIZE(spec->comps)); if (ret) return ret;