In preparation for moving duplicated members from the hda_component structure introduce a parent structure that wraps the array of components. This also allows us to confine the knowledge of the maximum number of entries to the hda_component files and eliminate passing that redundant information around and making direct accesses to the array.
Signed-off-by: Simon Trimmer simont@opensource.cirrus.com --- sound/pci/hda/hda_component.c | 65 +++++++++++++++++++---------------- sound/pci/hda/hda_component.h | 42 ++++++++++++++-------- sound/pci/hda/patch_realtek.c | 17 +++++---- 3 files changed, 71 insertions(+), 53 deletions(-)
diff --git a/sound/pci/hda/hda_component.c b/sound/pci/hda/hda_component.c index d02589014a3f..d8b9d406676b 100644 --- a/sound/pci/hda/hda_component.c +++ b/sound/pci/hda/hda_component.c @@ -15,35 +15,39 @@ #include "hda_local.h"
#ifdef CONFIG_ACPI -void hda_component_acpi_device_notify(struct hda_component *comps, int num_comps, +void hda_component_acpi_device_notify(struct hda_component_parent *parent, acpi_handle handle, u32 event, void *data) { + struct hda_component *comp; int i;
- for (i = 0; i < num_comps; i++) { - if (comps[i].dev && comps[i].acpi_notify) - comps[i].acpi_notify(acpi_device_handle(comps[i].adev), event, - comps[i].dev); + for (i = 0; i < ARRAY_SIZE(parent->comps); i++) { + comp = hda_component_from_index(parent, i); + if (comp->dev && comp->acpi_notify) + comp->acpi_notify(acpi_device_handle(comp->adev), event, comp->dev); } } EXPORT_SYMBOL_NS_GPL(hda_component_acpi_device_notify, SND_HDA_SCODEC_COMPONENT);
int hda_component_manager_bind_acpi_notifications(struct hda_codec *cdc, - struct hda_component *comps, int num_comps, + struct hda_component_parent *parent, acpi_notify_handler handler, void *data) { bool support_notifications = false; struct acpi_device *adev; + struct hda_component *comp; int ret; int i;
- adev = comps[0].adev; + adev = parent->comps[0].adev; if (!acpi_device_handle(adev)) return 0;
- for (i = 0; i < num_comps; i++) + for (i = 0; i < ARRAY_SIZE(parent->comps); i++) { + comp = hda_component_from_index(parent, i); support_notifications = support_notifications || - comps[i].acpi_notifications_supported; + comp->acpi_notifications_supported; + }
if (support_notifications) { ret = acpi_install_notify_handler(adev->handle, ACPI_DEVICE_NOTIFY, @@ -61,13 +65,13 @@ int hda_component_manager_bind_acpi_notifications(struct hda_codec *cdc, EXPORT_SYMBOL_NS_GPL(hda_component_manager_bind_acpi_notifications, SND_HDA_SCODEC_COMPONENT);
void hda_component_manager_unbind_acpi_notifications(struct hda_codec *cdc, - struct hda_component *comps, + struct hda_component_parent *parent, acpi_notify_handler handler) { struct acpi_device *adev; int ret;
- adev = comps[0].adev; + adev = parent->comps[0].adev; if (!acpi_device_handle(adev)) return;
@@ -78,21 +82,25 @@ void hda_component_manager_unbind_acpi_notifications(struct hda_codec *cdc, EXPORT_SYMBOL_NS_GPL(hda_component_manager_unbind_acpi_notifications, SND_HDA_SCODEC_COMPONENT); #endif /* ifdef CONFIG_ACPI */
-void hda_component_manager_playback_hook(struct hda_component *comps, int num_comps, int action) +void hda_component_manager_playback_hook(struct hda_component_parent *parent, int action) { + struct hda_component *comp; int i;
- for (i = 0; i < num_comps; i++) { - if (comps[i].dev && comps[i].pre_playback_hook) - comps[i].pre_playback_hook(comps[i].dev, action); + for (i = 0; i < ARRAY_SIZE(parent->comps); i++) { + comp = hda_component_from_index(parent, i); + if (comp->dev && comp->pre_playback_hook) + comp->pre_playback_hook(comp->dev, action); } - for (i = 0; i < num_comps; i++) { - if (comps[i].dev && comps[i].playback_hook) - comps[i].playback_hook(comps[i].dev, action); + for (i = 0; i < ARRAY_SIZE(parent->comps); i++) { + comp = hda_component_from_index(parent, i); + if (comp->dev && comp->playback_hook) + comp->playback_hook(comp->dev, action); } - for (i = 0; i < num_comps; i++) { - if (comps[i].dev && comps[i].post_playback_hook) - comps[i].post_playback_hook(comps[i].dev, action); + for (i = 0; i < ARRAY_SIZE(parent->comps); i++) { + comp = hda_component_from_index(parent, i); + if (comp->dev && comp->post_playback_hook) + comp->post_playback_hook(comp->dev, action); } } EXPORT_SYMBOL_NS_GPL(hda_component_manager_playback_hook, SND_HDA_SCODEC_COMPONENT); @@ -124,22 +132,21 @@ static int hda_comp_match_dev_name(struct device *dev, void *data) }
int hda_component_manager_bind(struct hda_codec *cdc, - struct hda_component *comps, int count) + struct hda_component_parent *parent) { int i;
- /* Init shared data */ - for (i = 0; i < count; ++i) { - memset(&comps[i], 0, sizeof(comps[i])); - comps[i].codec = cdc; - } + /* Init shared and component specific data */ + memset(parent, 0, sizeof(parent)); + for (i = 0; i < ARRAY_SIZE(parent->comps); i++) + parent->comps[i].codec = cdc;
- return component_bind_all(hda_codec_dev(cdc), comps); + return component_bind_all(hda_codec_dev(cdc), &parent->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, + struct hda_component_parent *parent, int count, const char *bus, const char *hid, const char *match_str, const struct component_master_ops *ops) diff --git a/sound/pci/hda/hda_component.h b/sound/pci/hda/hda_component.h index c70b3de68ab2..a016f1b942a2 100644 --- a/sound/pci/hda/hda_component.h +++ b/sound/pci/hda/hda_component.h @@ -28,18 +28,21 @@ struct hda_component { void (*post_playback_hook)(struct device *dev, int action); };
+struct hda_component_parent { + struct hda_component comps[HDA_MAX_COMPONENTS]; +}; + #ifdef CONFIG_ACPI -void hda_component_acpi_device_notify(struct hda_component *comps, int num_comps, +void hda_component_acpi_device_notify(struct hda_component_parent *parent, acpi_handle handle, u32 event, void *data); int hda_component_manager_bind_acpi_notifications(struct hda_codec *cdc, - struct hda_component *comps, int num_comps, + struct hda_component_parent *parent, acpi_notify_handler handler, void *data); void hda_component_manager_unbind_acpi_notifications(struct hda_codec *cdc, - struct hda_component *comps, + struct hda_component_parent *parent, acpi_notify_handler handler); #else -static inline void hda_component_acpi_device_notify(struct hda_component *comps, - int num_comps, +static inline void hda_component_acpi_device_notify(struct hda_component_parent *parent, acpi_handle handle, u32 event, void *data) @@ -47,8 +50,7 @@ static inline void hda_component_acpi_device_notify(struct hda_component *comps, }
static inline int hda_component_manager_bind_acpi_notifications(struct hda_codec *cdc, - struct hda_component *comps, - int num_comps, + struct hda_component_parent *parent, acpi_notify_handler handler, void *data)
@@ -57,17 +59,16 @@ static inline int hda_component_manager_bind_acpi_notifications(struct hda_codec }
static inline void hda_component_manager_unbind_acpi_notifications(struct hda_codec *cdc, - struct hda_component *comps, + struct hda_component_parent *parent, acpi_notify_handler handler) { } #endif /* ifdef CONFIG_ACPI */
-void hda_component_manager_playback_hook(struct hda_component *comps, int num_comps, - int action); +void hda_component_manager_playback_hook(struct hda_component_parent *parent, int action);
int hda_component_manager_init(struct hda_codec *cdc, - struct hda_component *comps, int count, + struct hda_component_parent *parent, int count, const char *bus, const char *hid, const char *match_str, const struct component_master_ops *ops); @@ -75,13 +76,24 @@ int hda_component_manager_init(struct hda_codec *cdc, void hda_component_manager_free(struct hda_codec *cdc, const struct component_master_ops *ops);
-int hda_component_manager_bind(struct hda_codec *cdc, - struct hda_component *comps, int count); +int hda_component_manager_bind(struct hda_codec *cdc, struct hda_component_parent *parent); + +static inline struct hda_component *hda_component_from_index(struct hda_component_parent *parent, + int index) +{ + if (!parent) + return NULL; + + if (index < 0 || index >= ARRAY_SIZE(parent->comps)) + return NULL; + + return &parent->comps[index]; +}
static inline void hda_component_manager_unbind(struct hda_codec *cdc, - struct hda_component *comps) + struct hda_component_parent *parent) { - component_unbind_all(hda_codec_dev(cdc), comps); + component_unbind_all(hda_codec_dev(cdc), &parent->comps); }
#endif /* ifndef __HDA_COMPONENT_H__ */ diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index aa76d1c88589..ab9d13e7dcaa 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -131,7 +131,7 @@ struct alc_spec { u8 alc_mute_keycode_map[1];
/* component binding */ - struct hda_component comps[HDA_MAX_COMPONENTS]; + struct hda_component_parent comps; };
/* @@ -6789,8 +6789,7 @@ static void comp_acpi_device_notify(acpi_handle handle, u32 event, void *data)
codec_info(cdc, "ACPI Notification %d\n", event);
- hda_component_acpi_device_notify(spec->comps, ARRAY_SIZE(spec->comps), - handle, event, data); + hda_component_acpi_device_notify(&spec->comps, handle, event, data); }
static int comp_bind(struct device *dev) @@ -6799,12 +6798,12 @@ static int comp_bind(struct device *dev) struct alc_spec *spec = cdc->spec; int ret;
- ret = hda_component_manager_bind(cdc, spec->comps, ARRAY_SIZE(spec->comps)); + ret = hda_component_manager_bind(cdc, &spec->comps); if (ret) return ret;
return hda_component_manager_bind_acpi_notifications(cdc, - spec->comps, ARRAY_SIZE(spec->comps), + &spec->comps, comp_acpi_device_notify, cdc); }
@@ -6813,8 +6812,8 @@ static void comp_unbind(struct device *dev) struct hda_codec *cdc = dev_to_hda_codec(dev); struct alc_spec *spec = cdc->spec;
- hda_component_manager_unbind_acpi_notifications(cdc, spec->comps, comp_acpi_device_notify); - hda_component_manager_unbind(cdc, spec->comps); + hda_component_manager_unbind_acpi_notifications(cdc, &spec->comps, comp_acpi_device_notify); + hda_component_manager_unbind(cdc, &spec->comps); }
static const struct component_master_ops comp_master_ops = { @@ -6827,7 +6826,7 @@ static void comp_generic_playback_hook(struct hda_pcm_stream *hinfo, struct hda_ { struct alc_spec *spec = cdc->spec;
- hda_component_manager_playback_hook(spec->comps, ARRAY_SIZE(spec->comps), action); + hda_component_manager_playback_hook(&spec->comps, action); }
static void comp_generic_fixup(struct hda_codec *cdc, int action, const char *bus, @@ -6838,7 +6837,7 @@ static void comp_generic_fixup(struct hda_codec *cdc, int action, const char *bu
switch (action) { case HDA_FIXUP_ACT_PRE_PROBE: - ret = hda_component_manager_init(cdc, spec->comps, count, bus, hid, + ret = hda_component_manager_init(cdc, &spec->comps, count, bus, hid, match_str, &comp_master_ops); if (ret) return;