diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h index d7d26cc8e3fc9aa7833e8740bcd5ca75b7f59bd2..693c75bbd5d12e5ddb7e365a1837499120203559 100644 --- a/include/sound/soc-dapm.h +++ b/include/sound/soc-dapm.h @@ -490,7 +490,6 @@ struct snd_soc_dapm_path { /* source (input) and sink (output) widgets */ struct snd_soc_dapm_widget *source; struct snd_soc_dapm_widget *sink; - struct snd_kcontrol *kcontrol; /* status */ u32 connect:1; /* source and sink widgets are connected */ @@ -503,6 +502,7 @@ struct snd_soc_dapm_path { struct list_head list_source; struct list_head list_sink; + struct list_head list_kcontrol; struct list_head list; }; diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index bad6f6db74c93c34b2b561de46b7af091eee9c7d..b779d36d5b3acfb456d06c0475850075442f6abf 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -176,6 +176,7 @@ static inline struct snd_soc_dapm_widget *dapm_cnew_widget( struct dapm_kcontrol_data { unsigned int value; + struct list_head paths; struct snd_soc_dapm_widget_list wlist; }; @@ -194,6 +195,7 @@ static int dapm_kcontrol_data_alloc(struct snd_soc_dapm_widget *widget, data->wlist.widgets[0] = widget; data->wlist.num_widgets = 1; + INIT_LIST_HEAD(&data->paths); kcontrol->private_data = data; @@ -234,6 +236,26 @@ static int dapm_kcontrol_add_widget(struct snd_kcontrol *kcontrol, return 0; } +static void dapm_kcontrol_add_path(const struct snd_kcontrol *kcontrol, + struct snd_soc_dapm_path *path) +{ + struct dapm_kcontrol_data *data = snd_kcontrol_chip(kcontrol); + + list_add_tail(&path->list_kcontrol, &data->paths); +} + +static struct list_head *dapm_kcontrol_get_path_list( + const struct snd_kcontrol *kcontrol) +{ + struct dapm_kcontrol_data *data = snd_kcontrol_chip(kcontrol); + + return &data->paths; +} + +#define dapm_kcontrol_for_each_path(path, kcontrol) \ + list_for_each_entry(path, dapm_kcontrol_get_path_list(kcontrol), \ + list_kcontrol) + static unsigned int dapm_kcontrol_get_value(const struct snd_kcontrol *kcontrol) { struct dapm_kcontrol_data *data = snd_kcontrol_chip(kcontrol); @@ -671,7 +693,7 @@ static int dapm_create_or_share_mixmux_kcontrol(struct snd_soc_dapm_widget *w, } w->kcontrols[kci] = kcontrol; - path->kcontrol = kcontrol; + dapm_kcontrol_add_path(kcontrol, path); return 0; } @@ -691,7 +713,7 @@ static int dapm_new_mixer(struct snd_soc_dapm_widget *w) continue; if (w->kcontrols[i]) { - path->kcontrol = w->kcontrols[i]; + dapm_kcontrol_add_path(w->kcontrols[i], path); continue; } @@ -730,7 +752,7 @@ static int dapm_new_mux(struct snd_soc_dapm_widget *w) return ret; list_for_each_entry(path, &w->sources, list_sink) - path->kcontrol = w->kcontrols[0]; + dapm_kcontrol_add_path(w->kcontrols[0], path); return 0; } @@ -1990,10 +2012,7 @@ static int soc_dapm_mux_update_power(struct snd_soc_card *card, int found = 0; /* find dapm widget path assoc with kcontrol */ - list_for_each_entry(path, &card->paths, list) { - if (path->kcontrol != kcontrol) - continue; - + dapm_kcontrol_for_each_path(path, kcontrol) { if (!path->name || !e->texts[mux]) continue; @@ -2043,11 +2062,7 @@ static int soc_dapm_mixer_update_power(struct snd_soc_card *card, int found = 0; /* find dapm widget path assoc with kcontrol */ - list_for_each_entry(path, &card->paths, list) { - if (path->kcontrol != kcontrol) - continue; - - /* found, now check type */ + dapm_kcontrol_for_each_path(path, kcontrol) { found = 1; path->connect = connect; dapm_mark_dirty(path->source, "mixer connection"); @@ -2152,6 +2167,7 @@ static void dapm_free_path(struct snd_soc_dapm_path *path) { list_del(&path->list_sink); list_del(&path->list_source); + list_del(&path->list_kcontrol); list_del(&path->list); kfree(path); }