From 8d91c1e411f55d7ea91b1183a2e9f8088fb4d5be Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Tue, 15 Dec 2015 14:52:16 -0300 Subject: Linux-libre 4.3.2-gnu --- sound/soc/soc-dapm.c | 505 +++++++++++++++++++++++---------------------------- 1 file changed, 230 insertions(+), 275 deletions(-) (limited to 'sound/soc/soc-dapm.c') diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index e0de8072c..ff8bda471 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -47,6 +47,13 @@ #define DAPM_UPDATE_STAT(widget, val) widget->dapm->card->dapm_stats.val++; +#define SND_SOC_DAPM_DIR_REVERSE(x) ((x == SND_SOC_DAPM_DIR_IN) ? \ + SND_SOC_DAPM_DIR_OUT : SND_SOC_DAPM_DIR_IN) + +#define snd_soc_dapm_for_each_direction(dir) \ + for ((dir) = SND_SOC_DAPM_DIR_IN; (dir) <= SND_SOC_DAPM_DIR_OUT; \ + (dir)++) + static int snd_soc_dapm_add_path(struct snd_soc_dapm_context *dapm, struct snd_soc_dapm_widget *wsource, struct snd_soc_dapm_widget *wsink, const char *control, @@ -167,44 +174,58 @@ static void dapm_mark_dirty(struct snd_soc_dapm_widget *w, const char *reason) } /* - * dapm_widget_invalidate_input_paths() - Invalidate the cached number of input - * paths - * @w: The widget for which to invalidate the cached number of input paths - * - * The function resets the cached number of inputs for the specified widget and - * all widgets that can be reached via outgoing paths from the widget. - * - * This function must be called if the number of input paths for a widget might - * have changed. E.g. if the source state of a widget changes or a path is added - * or activated with the widget as the sink. + * Common implementation for dapm_widget_invalidate_input_paths() and + * dapm_widget_invalidate_output_paths(). The function is inlined since the + * combined size of the two specialized functions is only marginally larger then + * the size of the generic function and at the same time the fast path of the + * specialized functions is significantly smaller than the generic function. */ -static void dapm_widget_invalidate_input_paths(struct snd_soc_dapm_widget *w) +static __always_inline void dapm_widget_invalidate_paths( + struct snd_soc_dapm_widget *w, enum snd_soc_dapm_direction dir) { - struct snd_soc_dapm_widget *sink; + enum snd_soc_dapm_direction rdir = SND_SOC_DAPM_DIR_REVERSE(dir); + struct snd_soc_dapm_widget *node; struct snd_soc_dapm_path *p; LIST_HEAD(list); dapm_assert_locked(w->dapm); - if (w->inputs == -1) + if (w->endpoints[dir] == -1) return; - w->inputs = -1; list_add_tail(&w->work_list, &list); + w->endpoints[dir] = -1; list_for_each_entry(w, &list, work_list) { - list_for_each_entry(p, &w->sinks, list_source) { + snd_soc_dapm_widget_for_each_path(w, dir, p) { if (p->is_supply || p->weak || !p->connect) continue; - sink = p->sink; - if (sink->inputs != -1) { - sink->inputs = -1; - list_add_tail(&sink->work_list, &list); + node = p->node[rdir]; + if (node->endpoints[dir] != -1) { + node->endpoints[dir] = -1; + list_add_tail(&node->work_list, &list); } } } } +/* + * dapm_widget_invalidate_input_paths() - Invalidate the cached number of + * input paths + * @w: The widget for which to invalidate the cached number of input paths + * + * Resets the cached number of inputs for the specified widget and all widgets + * that can be reached via outcoming paths from the widget. + * + * This function must be called if the number of output paths for a widget might + * have changed. E.g. if the source state of a widget changes or a path is added + * or activated with the widget as the sink. + */ +static void dapm_widget_invalidate_input_paths(struct snd_soc_dapm_widget *w) +{ + dapm_widget_invalidate_paths(w, SND_SOC_DAPM_DIR_IN); +} + /* * dapm_widget_invalidate_output_paths() - Invalidate the cached number of * output paths @@ -219,29 +240,7 @@ static void dapm_widget_invalidate_input_paths(struct snd_soc_dapm_widget *w) */ static void dapm_widget_invalidate_output_paths(struct snd_soc_dapm_widget *w) { - struct snd_soc_dapm_widget *source; - struct snd_soc_dapm_path *p; - LIST_HEAD(list); - - dapm_assert_locked(w->dapm); - - if (w->outputs == -1) - return; - - w->outputs = -1; - list_add_tail(&w->work_list, &list); - - list_for_each_entry(w, &list, work_list) { - list_for_each_entry(p, &w->sources, list_sink) { - if (p->is_supply || p->weak || !p->connect) - continue; - source = p->source; - if (source->outputs != -1) { - source->outputs = -1; - list_add_tail(&source->work_list, &list); - } - } - } + dapm_widget_invalidate_paths(w, SND_SOC_DAPM_DIR_OUT); } /* @@ -270,9 +269,9 @@ static void dapm_path_invalidate(struct snd_soc_dapm_path *p) * endpoints is either connected or disconnected that sum won't change, * so there is no need to re-check the path. */ - if (p->source->inputs != 0) + if (p->source->endpoints[SND_SOC_DAPM_DIR_IN] != 0) dapm_widget_invalidate_input_paths(p->sink); - if (p->sink->outputs != 0) + if (p->sink->endpoints[SND_SOC_DAPM_DIR_OUT] != 0) dapm_widget_invalidate_output_paths(p->source); } @@ -283,11 +282,11 @@ void dapm_mark_endpoints_dirty(struct snd_soc_card *card) mutex_lock(&card->dapm_mutex); list_for_each_entry(w, &card->widgets, list) { - if (w->is_sink || w->is_source) { + if (w->is_ep) { dapm_mark_dirty(w, "Rechecking endpoints"); - if (w->is_sink) + if (w->is_ep & SND_SOC_DAPM_EP_SINK) dapm_widget_invalidate_output_paths(w); - if (w->is_source) + if (w->is_ep & SND_SOC_DAPM_EP_SOURCE) dapm_widget_invalidate_input_paths(w); } } @@ -894,7 +893,7 @@ static int dapm_new_mixer(struct snd_soc_dapm_widget *w) /* add kcontrol */ for (i = 0; i < w->num_kcontrols; i++) { /* match name */ - list_for_each_entry(path, &w->sources, list_sink) { + snd_soc_dapm_widget_for_each_source_path(w, path) { /* mixer/mux paths name must match control name */ if (path->name != (char *)w->kcontrol_news[i].name) continue; @@ -923,18 +922,18 @@ static int dapm_new_mixer(struct snd_soc_dapm_widget *w) static int dapm_new_mux(struct snd_soc_dapm_widget *w) { struct snd_soc_dapm_context *dapm = w->dapm; + enum snd_soc_dapm_direction dir; struct snd_soc_dapm_path *path; - struct list_head *paths; const char *type; int ret; switch (w->id) { case snd_soc_dapm_mux: - paths = &w->sources; + dir = SND_SOC_DAPM_DIR_OUT; type = "mux"; break; case snd_soc_dapm_demux: - paths = &w->sinks; + dir = SND_SOC_DAPM_DIR_IN; type = "demux"; break; default: @@ -948,7 +947,7 @@ static int dapm_new_mux(struct snd_soc_dapm_widget *w) return -EINVAL; } - if (list_empty(paths)) { + if (list_empty(&w->edges[dir])) { dev_err(dapm->dev, "ASoC: %s %s has no paths\n", type, w->name); return -EINVAL; } @@ -957,16 +956,9 @@ static int dapm_new_mux(struct snd_soc_dapm_widget *w) if (ret < 0) return ret; - if (w->id == snd_soc_dapm_mux) { - list_for_each_entry(path, &w->sources, list_sink) { - if (path->name) - dapm_kcontrol_add_path(w->kcontrols[0], path); - } - } else { - list_for_each_entry(path, &w->sinks, list_source) { - if (path->name) - dapm_kcontrol_add_path(w->kcontrols[0], path); - } + snd_soc_dapm_widget_for_each_path(w, dir, path) { + if (path->name) + dapm_kcontrol_add_path(w->kcontrols[0], path); } return 0; @@ -1032,66 +1024,59 @@ static int snd_soc_dapm_suspend_check(struct snd_soc_dapm_widget *widget) } } -/* add widget to list if it's not already in the list */ -static int dapm_list_add_widget(struct snd_soc_dapm_widget_list **list, - struct snd_soc_dapm_widget *w) +static int dapm_widget_list_create(struct snd_soc_dapm_widget_list **list, + struct list_head *widgets) { - struct snd_soc_dapm_widget_list *wlist; - int wlistsize, wlistentries, i; - - if (*list == NULL) - return -EINVAL; - - wlist = *list; + struct snd_soc_dapm_widget *w; + struct list_head *it; + unsigned int size = 0; + unsigned int i = 0; - /* is this widget already in the list */ - for (i = 0; i < wlist->num_widgets; i++) { - if (wlist->widgets[i] == w) - return 0; - } + list_for_each(it, widgets) + size++; - /* allocate some new space */ - wlistentries = wlist->num_widgets + 1; - wlistsize = sizeof(struct snd_soc_dapm_widget_list) + - wlistentries * sizeof(struct snd_soc_dapm_widget *); - *list = krealloc(wlist, wlistsize, GFP_KERNEL); - if (*list == NULL) { - dev_err(w->dapm->dev, "ASoC: can't allocate widget list for %s\n", - w->name); + *list = kzalloc(sizeof(**list) + size * sizeof(*w), GFP_KERNEL); + if (*list == NULL) return -ENOMEM; - } - wlist = *list; - /* insert the widget */ - dev_dbg(w->dapm->dev, "ASoC: added %s in widget list pos %d\n", - w->name, wlist->num_widgets); + list_for_each_entry(w, widgets, work_list) + (*list)->widgets[i++] = w; - wlist->widgets[wlist->num_widgets] = w; - wlist->num_widgets++; - return 1; + (*list)->num_widgets = i; + + return 0; } /* - * Recursively check for a completed path to an active or physically connected - * output widget. Returns number of complete paths. + * Common implementation for is_connected_output_ep() and + * is_connected_input_ep(). The function is inlined since the combined size of + * the two specialized functions is only marginally larger then the size of the + * generic function and at the same time the fast path of the specialized + * functions is significantly smaller than the generic function. */ -static int is_connected_output_ep(struct snd_soc_dapm_widget *widget, - struct snd_soc_dapm_widget_list **list) +static __always_inline int is_connected_ep(struct snd_soc_dapm_widget *widget, + struct list_head *list, enum snd_soc_dapm_direction dir, + int (*fn)(struct snd_soc_dapm_widget *, struct list_head *)) { + enum snd_soc_dapm_direction rdir = SND_SOC_DAPM_DIR_REVERSE(dir); struct snd_soc_dapm_path *path; int con = 0; - if (widget->outputs >= 0) - return widget->outputs; + if (widget->endpoints[dir] >= 0) + return widget->endpoints[dir]; DAPM_UPDATE_STAT(widget, path_checks); - if (widget->is_sink && widget->connected) { - widget->outputs = snd_soc_dapm_suspend_check(widget); - return widget->outputs; + /* do we need to add this widget to the list ? */ + if (list) + list_add_tail(&widget->work_list, list); + + if ((widget->is_ep & SND_SOC_DAPM_DIR_TO_EP(dir)) && widget->connected) { + widget->endpoints[dir] = snd_soc_dapm_suspend_check(widget); + return widget->endpoints[dir]; } - list_for_each_entry(path, &widget->sinks, list_source) { + snd_soc_dapm_widget_for_each_path(widget, rdir, path) { DAPM_UPDATE_STAT(widget, neighbour_checks); if (path->weak || path->is_supply) @@ -1100,91 +1085,40 @@ static int is_connected_output_ep(struct snd_soc_dapm_widget *widget, if (path->walking) return 1; - trace_snd_soc_dapm_output_path(widget, path); + trace_snd_soc_dapm_path(widget, dir, path); if (path->connect) { path->walking = 1; - - /* do we need to add this widget to the list ? */ - if (list) { - int err; - err = dapm_list_add_widget(list, path->sink); - if (err < 0) { - dev_err(widget->dapm->dev, - "ASoC: could not add widget %s\n", - widget->name); - path->walking = 0; - return con; - } - } - - con += is_connected_output_ep(path->sink, list); - + con += fn(path->node[dir], list); path->walking = 0; } } - widget->outputs = con; + widget->endpoints[dir] = con; return con; } +/* + * Recursively check for a completed path to an active or physically connected + * output widget. Returns number of complete paths. + */ +static int is_connected_output_ep(struct snd_soc_dapm_widget *widget, + struct list_head *list) +{ + return is_connected_ep(widget, list, SND_SOC_DAPM_DIR_OUT, + is_connected_output_ep); +} + /* * Recursively check for a completed path to an active or physically connected * input widget. Returns number of complete paths. */ static int is_connected_input_ep(struct snd_soc_dapm_widget *widget, - struct snd_soc_dapm_widget_list **list) + struct list_head *list) { - struct snd_soc_dapm_path *path; - int con = 0; - - if (widget->inputs >= 0) - return widget->inputs; - - DAPM_UPDATE_STAT(widget, path_checks); - - if (widget->is_source && widget->connected) { - widget->inputs = snd_soc_dapm_suspend_check(widget); - return widget->inputs; - } - - list_for_each_entry(path, &widget->sources, list_sink) { - DAPM_UPDATE_STAT(widget, neighbour_checks); - - if (path->weak || path->is_supply) - continue; - - if (path->walking) - return 1; - - trace_snd_soc_dapm_input_path(widget, path); - - if (path->connect) { - path->walking = 1; - - /* do we need to add this widget to the list ? */ - if (list) { - int err; - err = dapm_list_add_widget(list, path->source); - if (err < 0) { - dev_err(widget->dapm->dev, - "ASoC: could not add widget %s\n", - widget->name); - path->walking = 0; - return con; - } - } - - con += is_connected_input_ep(path->source, list); - - path->walking = 0; - } - } - - widget->inputs = con; - - return con; + return is_connected_ep(widget, list, SND_SOC_DAPM_DIR_IN, + is_connected_input_ep); } /** @@ -1204,7 +1138,9 @@ int snd_soc_dapm_dai_get_connected_widgets(struct snd_soc_dai *dai, int stream, { struct snd_soc_card *card = dai->component->card; struct snd_soc_dapm_widget *w; + LIST_HEAD(widgets); int paths; + int ret; mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); @@ -1213,14 +1149,21 @@ int snd_soc_dapm_dai_get_connected_widgets(struct snd_soc_dai *dai, int stream, * to reset the cached number of inputs and outputs. */ list_for_each_entry(w, &card->widgets, list) { - w->inputs = -1; - w->outputs = -1; + w->endpoints[SND_SOC_DAPM_DIR_IN] = -1; + w->endpoints[SND_SOC_DAPM_DIR_OUT] = -1; } if (stream == SNDRV_PCM_STREAM_PLAYBACK) - paths = is_connected_output_ep(dai->playback_widget, list); + paths = is_connected_output_ep(dai->playback_widget, &widgets); else - paths = is_connected_input_ep(dai->capture_widget, list); + paths = is_connected_input_ep(dai->capture_widget, &widgets); + + /* Drop starting point */ + list_del(widgets.next); + + ret = dapm_widget_list_create(list, &widgets); + if (ret) + paths = ret; trace_snd_soc_dapm_connected(paths, stream); mutex_unlock(&card->dapm_mutex); @@ -1321,7 +1264,7 @@ static int dapm_supply_check_power(struct snd_soc_dapm_widget *w) DAPM_UPDATE_STAT(w, power_checks); /* Check if one of our outputs is connected */ - list_for_each_entry(path, &w->sinks, list_source) { + snd_soc_dapm_widget_for_each_sink_path(w, path) { DAPM_UPDATE_STAT(w, neighbour_checks); if (path->weak) @@ -1745,12 +1688,12 @@ static void dapm_widget_set_power(struct snd_soc_dapm_widget *w, bool power, /* If we changed our power state perhaps our neigbours changed * also. */ - list_for_each_entry(path, &w->sources, list_sink) + snd_soc_dapm_widget_for_each_source_path(w, path) dapm_widget_set_peer_power(path->source, power, path->connect); /* Supplies can't affect their outputs, only their inputs */ if (!w->is_supply) { - list_for_each_entry(path, &w->sinks, list_source) + snd_soc_dapm_widget_for_each_sink_path(w, path) dapm_widget_set_peer_power(path->sink, power, path->connect); } @@ -1951,6 +1894,7 @@ static ssize_t dapm_widget_power_read_file(struct file *file, { struct snd_soc_dapm_widget *w = file->private_data; struct snd_soc_card *card = w->dapm->card; + enum snd_soc_dapm_direction dir, rdir; char *buf; int in, out; ssize_t ret; @@ -1987,25 +1931,21 @@ static ssize_t dapm_widget_power_read_file(struct file *file, w->sname, w->active ? "active" : "inactive"); - list_for_each_entry(p, &w->sources, list_sink) { - if (p->connected && !p->connected(w, p->source)) - continue; + snd_soc_dapm_for_each_direction(dir) { + rdir = SND_SOC_DAPM_DIR_REVERSE(dir); + snd_soc_dapm_widget_for_each_path(w, dir, p) { + if (p->connected && !p->connected(w, p->node[rdir])) + continue; - if (p->connect) - ret += snprintf(buf + ret, PAGE_SIZE - ret, - " in \"%s\" \"%s\"\n", - p->name ? p->name : "static", - p->source->name); - } - list_for_each_entry(p, &w->sinks, list_source) { - if (p->connected && !p->connected(w, p->sink)) - continue; + if (!p->connect) + continue; - if (p->connect) ret += snprintf(buf + ret, PAGE_SIZE - ret, - " out \"%s\" \"%s\"\n", + " %s \"%s\" \"%s\"\n", + (rdir == SND_SOC_DAPM_DIR_IN) ? "in" : "out", p->name ? p->name : "static", - p->sink->name); + p->node[rdir]->name); + } } mutex_unlock(&card->dapm_mutex); @@ -2223,14 +2163,16 @@ int snd_soc_dapm_mixer_update_power(struct snd_soc_dapm_context *dapm, } EXPORT_SYMBOL_GPL(snd_soc_dapm_mixer_update_power); -static ssize_t dapm_widget_show_codec(struct snd_soc_codec *codec, char *buf) +static ssize_t dapm_widget_show_component(struct snd_soc_component *cmpnt, + char *buf) { + struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(cmpnt); struct snd_soc_dapm_widget *w; int count = 0; char *state = "not set"; - list_for_each_entry(w, &codec->component.card->widgets, list) { - if (w->dapm != &codec->dapm) + list_for_each_entry(w, &cmpnt->card->widgets, list) { + if (w->dapm != dapm) continue; /* only display widgets that burnm power */ @@ -2258,7 +2200,7 @@ static ssize_t dapm_widget_show_codec(struct snd_soc_codec *codec, char *buf) } } - switch (codec->dapm.bias_level) { + switch (snd_soc_dapm_get_bias_level(dapm)) { case SND_SOC_BIAS_ON: state = "On"; break; @@ -2287,8 +2229,9 @@ static ssize_t dapm_widget_show(struct device *dev, mutex_lock(&rtd->card->dapm_mutex); for (i = 0; i < rtd->num_codecs; i++) { - struct snd_soc_codec *codec = rtd->codec_dais[i]->codec; - count += dapm_widget_show_codec(codec, buf + count); + struct snd_soc_component *cmpnt = rtd->codec_dais[i]->component; + + count += dapm_widget_show_component(cmpnt, buf + count); } mutex_unlock(&rtd->card->dapm_mutex); @@ -2305,37 +2248,43 @@ struct attribute *soc_dapm_dev_attrs[] = { 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_node[SND_SOC_DAPM_DIR_IN]); + list_del(&path->list_node[SND_SOC_DAPM_DIR_OUT]); list_del(&path->list_kcontrol); list_del(&path->list); kfree(path); } +void snd_soc_dapm_free_widget(struct snd_soc_dapm_widget *w) +{ + struct snd_soc_dapm_path *p, *next_p; + enum snd_soc_dapm_direction dir; + + list_del(&w->list); + /* + * remove source and sink paths associated to this widget. + * While removing the path, remove reference to it from both + * source and sink widgets so that path is removed only once. + */ + snd_soc_dapm_for_each_direction(dir) { + snd_soc_dapm_widget_for_each_path_safe(w, dir, p, next_p) + dapm_free_path(p); + } + + kfree(w->kcontrols); + kfree_const(w->name); + kfree(w); +} + /* free all dapm widgets and resources */ static void dapm_free_widgets(struct snd_soc_dapm_context *dapm) { struct snd_soc_dapm_widget *w, *next_w; - struct snd_soc_dapm_path *p, *next_p; list_for_each_entry_safe(w, next_w, &dapm->card->widgets, list) { if (w->dapm != dapm) continue; - list_del(&w->list); - /* - * remove source and sink paths associated to this widget. - * While removing the path, remove reference to it from both - * source and sink widgets so that path is removed only once. - */ - list_for_each_entry_safe(p, next_p, &w->sources, list_sink) - dapm_free_path(p); - - list_for_each_entry_safe(p, next_p, &w->sinks, list_source) - dapm_free_path(p); - - kfree(w->kcontrols); - kfree(w->name); - kfree(w); + snd_soc_dapm_free_widget(w); } } @@ -2441,20 +2390,22 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_sync); */ static void dapm_update_widget_flags(struct snd_soc_dapm_widget *w) { + enum snd_soc_dapm_direction dir; struct snd_soc_dapm_path *p; + unsigned int ep; switch (w->id) { case snd_soc_dapm_input: /* On a fully routed card a input is never a source */ if (w->dapm->card->fully_routed) - break; - w->is_source = 1; - list_for_each_entry(p, &w->sources, list_sink) { + return; + ep = SND_SOC_DAPM_EP_SOURCE; + snd_soc_dapm_widget_for_each_source_path(w, p) { if (p->source->id == snd_soc_dapm_micbias || p->source->id == snd_soc_dapm_mic || p->source->id == snd_soc_dapm_line || p->source->id == snd_soc_dapm_output) { - w->is_source = 0; + ep = 0; break; } } @@ -2462,25 +2413,30 @@ static void dapm_update_widget_flags(struct snd_soc_dapm_widget *w) case snd_soc_dapm_output: /* On a fully routed card a output is never a sink */ if (w->dapm->card->fully_routed) - break; - w->is_sink = 1; - list_for_each_entry(p, &w->sinks, list_source) { + return; + ep = SND_SOC_DAPM_EP_SINK; + snd_soc_dapm_widget_for_each_sink_path(w, p) { if (p->sink->id == snd_soc_dapm_spk || p->sink->id == snd_soc_dapm_hp || p->sink->id == snd_soc_dapm_line || p->sink->id == snd_soc_dapm_input) { - w->is_sink = 0; + ep = 0; break; } } break; case snd_soc_dapm_line: - w->is_sink = !list_empty(&w->sources); - w->is_source = !list_empty(&w->sinks); + ep = 0; + snd_soc_dapm_for_each_direction(dir) { + if (!list_empty(&w->edges[dir])) + ep |= SND_SOC_DAPM_DIR_TO_EP(dir); + } break; default: - break; + return; } + + w->is_ep = ep; } static int snd_soc_dapm_check_dynamic_path(struct snd_soc_dapm_context *dapm, @@ -2533,6 +2489,8 @@ static int snd_soc_dapm_add_path(struct snd_soc_dapm_context *dapm, 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; @@ -2565,13 +2523,14 @@ static int snd_soc_dapm_add_path(struct snd_soc_dapm_context *dapm, if (!path) return -ENOMEM; - path->source = wsource; - path->sink = wsink; + 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); - INIT_LIST_HEAD(&path->list_source); - INIT_LIST_HEAD(&path->list_sink); if (wsource->is_supply || wsink->is_supply) path->is_supply = 1; @@ -2609,14 +2568,13 @@ static int snd_soc_dapm_add_path(struct snd_soc_dapm_context *dapm, } list_add(&path->list, &dapm->card->paths); - list_add(&path->list_sink, &wsink->sources); - list_add(&path->list_source, &wsource->sinks); + snd_soc_dapm_for_each_direction(dir) + list_add(&path->list_node[dir], &widgets[dir]->edges[dir]); - dapm_update_widget_flags(wsource); - dapm_update_widget_flags(wsink); - - dapm_mark_dirty(wsource, "Route added"); - dapm_mark_dirty(wsink, "Route added"); + snd_soc_dapm_for_each_direction(dir) { + dapm_update_widget_flags(widgets[dir]); + dapm_mark_dirty(widgets[dir], "Route added"); + } if (dapm->card->instantiated && path->connect) dapm_path_invalidate(path); @@ -2864,7 +2822,7 @@ static int snd_soc_dapm_weak_route(struct snd_soc_dapm_context *dapm, dev_warn(dapm->dev, "ASoC: Ignoring control for weak route %s->%s\n", route->source, route->sink); - list_for_each_entry(path, &source->sinks, list_source) { + snd_soc_dapm_widget_for_each_sink_path(source, path) { if (path->sink == sink) { path->weak = 1; count++; @@ -2918,7 +2876,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_weak_routes); /** * snd_soc_dapm_new_widgets - add new dapm widgets - * @dapm: DAPM context + * @card: card to be checked for new dapm widgets * * Checks the codec for any new dapm widgets and creates them if found. * @@ -3298,6 +3256,7 @@ struct snd_soc_dapm_widget * snd_soc_dapm_new_control_unlocked(struct snd_soc_dapm_context *dapm, const struct snd_soc_dapm_widget *widget) { + enum snd_soc_dapm_direction dir; struct snd_soc_dapm_widget *w; const char *prefix; int ret; @@ -3344,7 +3303,7 @@ snd_soc_dapm_new_control_unlocked(struct snd_soc_dapm_context *dapm, if (prefix) w->name = kasprintf(GFP_KERNEL, "%s %s", prefix, widget->name); else - w->name = kasprintf(GFP_KERNEL, "%s", widget->name); + w->name = kstrdup_const(widget->name, GFP_KERNEL); if (w->name == NULL) { kfree(w); return NULL; @@ -3352,27 +3311,27 @@ snd_soc_dapm_new_control_unlocked(struct snd_soc_dapm_context *dapm, switch (w->id) { case snd_soc_dapm_mic: - w->is_source = 1; + w->is_ep = SND_SOC_DAPM_EP_SOURCE; w->power_check = dapm_generic_check_power; break; case snd_soc_dapm_input: if (!dapm->card->fully_routed) - w->is_source = 1; + w->is_ep = SND_SOC_DAPM_EP_SOURCE; w->power_check = dapm_generic_check_power; break; case snd_soc_dapm_spk: case snd_soc_dapm_hp: - w->is_sink = 1; + w->is_ep = SND_SOC_DAPM_EP_SINK; w->power_check = dapm_generic_check_power; break; case snd_soc_dapm_output: if (!dapm->card->fully_routed) - w->is_sink = 1; + w->is_ep = SND_SOC_DAPM_EP_SINK; w->power_check = dapm_generic_check_power; break; case snd_soc_dapm_vmid: case snd_soc_dapm_siggen: - w->is_source = 1; + w->is_ep = SND_SOC_DAPM_EP_SOURCE; w->power_check = dapm_always_on_check_power; break; case snd_soc_dapm_mux: @@ -3406,14 +3365,14 @@ snd_soc_dapm_new_control_unlocked(struct snd_soc_dapm_context *dapm, } w->dapm = dapm; - INIT_LIST_HEAD(&w->sources); - INIT_LIST_HEAD(&w->sinks); INIT_LIST_HEAD(&w->list); INIT_LIST_HEAD(&w->dirty); list_add_tail(&w->list, &dapm->card->widgets); - w->inputs = -1; - w->outputs = -1; + snd_soc_dapm_for_each_direction(dir) { + INIT_LIST_HEAD(&w->edges[dir]); + w->endpoints[dir] = -1; + } /* machine layer set ups unconnected pins and insertions */ w->connected = 1; @@ -3467,19 +3426,17 @@ static int snd_soc_dai_link_event(struct snd_soc_dapm_widget *w, int ret; if (WARN_ON(!config) || - WARN_ON(list_empty(&w->sources) || list_empty(&w->sinks))) + WARN_ON(list_empty(&w->edges[SND_SOC_DAPM_DIR_OUT]) || + list_empty(&w->edges[SND_SOC_DAPM_DIR_IN]))) return -EINVAL; /* We only support a single source and sink, pick the first */ - source_p = list_first_entry(&w->sources, struct snd_soc_dapm_path, - list_sink); - sink_p = list_first_entry(&w->sinks, struct snd_soc_dapm_path, - list_source); - - if (WARN_ON(!source_p || !sink_p) || - WARN_ON(!sink_p->source || !source_p->sink) || - WARN_ON(!source_p->source || !sink_p->sink)) - return -EINVAL; + source_p = list_first_entry(&w->edges[SND_SOC_DAPM_DIR_OUT], + struct snd_soc_dapm_path, + list_node[SND_SOC_DAPM_DIR_OUT]); + sink_p = list_first_entry(&w->edges[SND_SOC_DAPM_DIR_IN], + struct snd_soc_dapm_path, + list_node[SND_SOC_DAPM_DIR_IN]); source = source_p->source->priv; sink = sink_p->sink->priv; @@ -3544,7 +3501,7 @@ static int snd_soc_dai_link_event(struct snd_soc_dapm_widget *w, default: WARN(1, "Unknown event %d\n", event); - return -EINVAL; + ret = -EINVAL; } out: @@ -3821,11 +3778,6 @@ static void dapm_connect_dai_link_widgets(struct snd_soc_card *card, for (i = 0; i < rtd->num_codecs; i++) { struct snd_soc_dai *codec_dai = rtd->codec_dais[i]; - /* there is no point in connecting BE DAI links with dummies */ - if (snd_soc_dai_is_dummy(codec_dai) || - snd_soc_dai_is_dummy(cpu_dai)) - continue; - /* connect BE DAI playback if widgets are valid */ if (codec_dai->playback_widget && cpu_dai->playback_widget) { source = cpu_dai->playback_widget; @@ -3856,6 +3808,7 @@ static void soc_dapm_dai_stream_event(struct snd_soc_dai *dai, int stream, int event) { struct snd_soc_dapm_widget *w; + unsigned int ep; if (stream == SNDRV_PCM_STREAM_PLAYBACK) w = dai->playback_widget; @@ -3865,12 +3818,22 @@ static void soc_dapm_dai_stream_event(struct snd_soc_dai *dai, int stream, if (w) { dapm_mark_dirty(w, "stream event"); + if (w->id == snd_soc_dapm_dai_in) { + ep = SND_SOC_DAPM_EP_SOURCE; + dapm_widget_invalidate_input_paths(w); + } else { + ep = SND_SOC_DAPM_EP_SINK; + dapm_widget_invalidate_output_paths(w); + } + switch (event) { case SND_SOC_DAPM_STREAM_START: w->active = 1; + w->is_ep = ep; break; case SND_SOC_DAPM_STREAM_STOP: w->active = 0; + w->is_ep = 0; break; case SND_SOC_DAPM_STREAM_SUSPEND: case SND_SOC_DAPM_STREAM_RESUME: @@ -3878,14 +3841,6 @@ static void soc_dapm_dai_stream_event(struct snd_soc_dai *dai, int stream, case SND_SOC_DAPM_STREAM_PAUSE_RELEASE: break; } - - if (w->id == snd_soc_dapm_dai_in) { - w->is_source = w->active; - dapm_widget_invalidate_input_paths(w); - } else { - w->is_sink = w->active; - dapm_widget_invalidate_output_paths(w); - } } } -- cgit v1.2.3-54-g00ecf