linux-4.4.1/snd_soc_dapm_add_path()
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開始行:
*参照元 [#f5c83456]
#backlinks
*説明 [#n2551856]
-パス: [[linux-4.4.1/sound/soc/soc-dapm.c]]
-FIXME: これは何？
--説明
**引数 [#z671eac0]
-struct snd_soc_dapm_context *dapm
--
--[[linux-4.4.1/snd_soc_dapm_context]]
-struct snd_soc_dapm_widget *wsource
--
--[[linux-4.4.1/snd_soc_dapm_widget]]
-struct snd_soc_dapm_widget *wsink
--
-const char *control
--コントロール名
--この引数は NULL でも良い、NULL 以外に指定するのは下記の...
--[[linux-4.4.1/snd_soc_dapm_add_route()]]
-int (*connected)(struct snd_soc_dapm_widget *source, snd...
--
**返り値 [#rca0ac64]
-int
--
**参考 [#ge55b032]
*実装 [#ca007455]
static int snd_soc_dapm_add_path(struct snd_soc_dapm_con...
struct snd_soc_dapm_widget *wsource, struct snd_soc_dap...
const char *control,
int (*connected)(struct snd_soc_dapm_widget *source,
struct snd_soc_dapm_widget *sink))
{
struct snd_soc_dapm_widget *widgets[2];
enum snd_soc_dapm_direction dir;
struct snd_soc_dapm_path *path;
int ret;
-
--[[linux-4.4.1/snd_soc_dapm_direction]]
if (wsink->is_supply && !wsource->is_supply) {
dev_err(dapm->dev,
"Connecting non-supply widget to supply widget is not...
wsource->name, wsink->name);
return -EINVAL;
}
if (connected && !wsource->is_supply) {
dev_err(dapm->dev,
"connected() callback only supported for supply widge...
wsource->name, wsink->name);
return -EINVAL;
}
if (wsource->is_supply && control) {
dev_err(dapm->dev,
"Conditional paths are not supported for supply widge...
wsource->name, control, wsink->name);
return -EINVAL;
}
-
--[[linux-4.4.1/dev_err()]]
ret = snd_soc_dapm_check_dynamic_path(dapm, wsource, ws...
if (ret)
return ret;
-
--[[linux-4.4.1/snd_soc_dapm_check_dynamic_path()]]
path = kzalloc(sizeof(struct snd_soc_dapm_path), GFP_KE...
if (!path)
return -ENOMEM;
-
--[[linux-4.4.1/kzalloc()]]
--[[linux-4.4.1/snd_soc_dapm_path]]
path->node[SND_SOC_DAPM_DIR_IN] = wsource;
path->node[SND_SOC_DAPM_DIR_OUT] = wsink;
widgets[SND_SOC_DAPM_DIR_IN] = wsource;
widgets[SND_SOC_DAPM_DIR_OUT] = wsink;
path->connected = connected;
INIT_LIST_HEAD(&path->list);
INIT_LIST_HEAD(&path->list_kcontrol);
if (wsource->is_supply || wsink->is_supply)
path->is_supply = 1;
/* connect static paths */
if (control == NULL) {
path->connect = 1;
} else {
switch (wsource->id) {
case snd_soc_dapm_demux:
ret = dapm_connect_mux(dapm, path, control, wsource);
if (ret)
goto err;
break;
default:
break;
}
-
--[[linux-4.4.1/dapm_connect_mux()]]
switch (wsink->id) {
case snd_soc_dapm_mux:
ret = dapm_connect_mux(dapm, path, control, wsink);
if (ret != 0)
goto err;
break;
case snd_soc_dapm_switch:
case snd_soc_dapm_mixer:
case snd_soc_dapm_mixer_named_ctl:
ret = dapm_connect_mixer(dapm, path, control);
if (ret != 0)
goto err;
break;
default:
break;
}
-
--[[linux-4.4.1/dapm_connect_mixer()]]
}
list_add(&path->list, &dapm->card->paths);
snd_soc_dapm_for_each_direction(dir)
list_add(&path->list_node[dir], &widgets[dir]->edges[d...
-
--[[linux-4.4.1/list_add()]]
--[[linux-4.4.1/snd_soc_dapm_for_each_direction()]]
snd_soc_dapm_for_each_direction(dir) {
dapm_update_widget_flags(widgets[dir]);
dapm_mark_dirty(widgets[dir], "Route added");
}
-
--[[linux-4.4.1/dapm_update_widget_flags()]]
--[[linux-4.4.1/dapm_mark_dirty()]]
if (dapm->card->instantiated && path->connect)
dapm_path_invalidate(path);
-
--[[linux-4.4.1/dapm_path_invalidate()]]
return 0;
err:
kfree(path);
return ret;
-
--[[linux-4.4.1/kfree()]]
}
*コメント [#s8682d0c]
終了行:
*参照元 [#f5c83456]
#backlinks
*説明 [#n2551856]
-パス: [[linux-4.4.1/sound/soc/soc-dapm.c]]
-FIXME: これは何？
--説明
**引数 [#z671eac0]
-struct snd_soc_dapm_context *dapm
--
--[[linux-4.4.1/snd_soc_dapm_context]]
-struct snd_soc_dapm_widget *wsource
--
--[[linux-4.4.1/snd_soc_dapm_widget]]
-struct snd_soc_dapm_widget *wsink
--
-const char *control
--コントロール名
--この引数は NULL でも良い、NULL 以外に指定するのは下記の...
--[[linux-4.4.1/snd_soc_dapm_add_route()]]
-int (*connected)(struct snd_soc_dapm_widget *source, snd...
--
**返り値 [#rca0ac64]
-int
--
**参考 [#ge55b032]
*実装 [#ca007455]
static int snd_soc_dapm_add_path(struct snd_soc_dapm_con...
struct snd_soc_dapm_widget *wsource, struct snd_soc_dap...
const char *control,
int (*connected)(struct snd_soc_dapm_widget *source,
struct snd_soc_dapm_widget *sink))
{
struct snd_soc_dapm_widget *widgets[2];
enum snd_soc_dapm_direction dir;
struct snd_soc_dapm_path *path;
int ret;
-
--[[linux-4.4.1/snd_soc_dapm_direction]]
if (wsink->is_supply && !wsource->is_supply) {
dev_err(dapm->dev,
"Connecting non-supply widget to supply widget is not...
wsource->name, wsink->name);
return -EINVAL;
}
if (connected && !wsource->is_supply) {
dev_err(dapm->dev,
"connected() callback only supported for supply widge...
wsource->name, wsink->name);
return -EINVAL;
}
if (wsource->is_supply && control) {
dev_err(dapm->dev,
"Conditional paths are not supported for supply widge...
wsource->name, control, wsink->name);
return -EINVAL;
}
-
--[[linux-4.4.1/dev_err()]]
ret = snd_soc_dapm_check_dynamic_path(dapm, wsource, ws...
if (ret)
return ret;
-
--[[linux-4.4.1/snd_soc_dapm_check_dynamic_path()]]
path = kzalloc(sizeof(struct snd_soc_dapm_path), GFP_KE...
if (!path)
return -ENOMEM;
-
--[[linux-4.4.1/kzalloc()]]
--[[linux-4.4.1/snd_soc_dapm_path]]
path->node[SND_SOC_DAPM_DIR_IN] = wsource;
path->node[SND_SOC_DAPM_DIR_OUT] = wsink;
widgets[SND_SOC_DAPM_DIR_IN] = wsource;
widgets[SND_SOC_DAPM_DIR_OUT] = wsink;
path->connected = connected;
INIT_LIST_HEAD(&path->list);
INIT_LIST_HEAD(&path->list_kcontrol);
if (wsource->is_supply || wsink->is_supply)
path->is_supply = 1;
/* connect static paths */
if (control == NULL) {
path->connect = 1;
} else {
switch (wsource->id) {
case snd_soc_dapm_demux:
ret = dapm_connect_mux(dapm, path, control, wsource);
if (ret)
goto err;
break;
default:
break;
}
-
--[[linux-4.4.1/dapm_connect_mux()]]
switch (wsink->id) {
case snd_soc_dapm_mux:
ret = dapm_connect_mux(dapm, path, control, wsink);
if (ret != 0)
goto err;
break;
case snd_soc_dapm_switch:
case snd_soc_dapm_mixer:
case snd_soc_dapm_mixer_named_ctl:
ret = dapm_connect_mixer(dapm, path, control);
if (ret != 0)
goto err;
break;
default:
break;
}
-
--[[linux-4.4.1/dapm_connect_mixer()]]
}
list_add(&path->list, &dapm->card->paths);
snd_soc_dapm_for_each_direction(dir)
list_add(&path->list_node[dir], &widgets[dir]->edges[d...
-
--[[linux-4.4.1/list_add()]]
--[[linux-4.4.1/snd_soc_dapm_for_each_direction()]]
snd_soc_dapm_for_each_direction(dir) {
dapm_update_widget_flags(widgets[dir]);
dapm_mark_dirty(widgets[dir], "Route added");
}
-
--[[linux-4.4.1/dapm_update_widget_flags()]]
--[[linux-4.4.1/dapm_mark_dirty()]]
if (dapm->card->instantiated && path->connect)
dapm_path_invalidate(path);
-
--[[linux-4.4.1/dapm_path_invalidate()]]
return 0;
err:
kfree(path);
return ret;
-
--[[linux-4.4.1/kfree()]]
}
*コメント [#s8682d0c]
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