diff options
Diffstat (limited to 'sound/pci/hda/hda_component.c')
| -rw-r--r-- | sound/pci/hda/hda_component.c | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/sound/pci/hda/hda_component.c b/sound/pci/hda/hda_component.c index 7b19cb38b4e0..2d6b7b0b355d 100644 --- a/sound/pci/hda/hda_component.c +++ b/sound/pci/hda/hda_component.c @@ -141,9 +141,7 @@ int hda_component_manager_bind(struct hda_codec *cdc, int ret; /* Init shared and component specific data */ - memset(parent, 0, sizeof(*parent)); - mutex_init(&parent->mutex); - parent->codec = cdc; + memset(parent->comps, 0, sizeof(parent->comps)); mutex_lock(&parent->mutex); ret = component_bind_all(hda_codec_dev(cdc), parent); @@ -164,6 +162,15 @@ int hda_component_manager_init(struct hda_codec *cdc, struct hda_scodec_match *sm; int ret, i; + if (parent->codec) { + codec_err(cdc, "Component binding already created (SSID: %x)\n", + cdc->core.subsystem_id); + return -EINVAL; + } + parent->codec = cdc; + + mutex_init(&parent->mutex); + for (i = 0; i < count; i++) { sm = devm_kmalloc(dev, sizeof(*sm), GFP_KERNEL); if (!sm) @@ -184,12 +191,19 @@ int hda_component_manager_init(struct hda_codec *cdc, } EXPORT_SYMBOL_NS_GPL(hda_component_manager_init, SND_HDA_SCODEC_COMPONENT); -void hda_component_manager_free(struct hda_codec *cdc, +void hda_component_manager_free(struct hda_component_parent *parent, const struct component_master_ops *ops) { - struct device *dev = hda_codec_dev(cdc); + struct device *dev; + + if (!parent->codec) + return; + + dev = hda_codec_dev(parent->codec); component_master_del(dev, ops); + + parent->codec = NULL; } EXPORT_SYMBOL_NS_GPL(hda_component_manager_free, SND_HDA_SCODEC_COMPONENT); |