diff options
Diffstat (limited to '')
-rw-r--r-- | sound/soc/soc-dapm.c | 569 |
1 files changed, 318 insertions, 251 deletions
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 9fb54e6fe254..d515e7a78ea8 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -62,6 +62,8 @@ struct snd_soc_dapm_widget * snd_soc_dapm_new_control_unlocked(struct snd_soc_dapm_context *dapm, const struct snd_soc_dapm_widget *widget); +static unsigned int soc_dapm_read(struct snd_soc_dapm_context *dapm, int reg); + /* dapm power sequences - make this per codec in the future */ static int dapm_up_seq[] = { [snd_soc_dapm_pre] = 1, @@ -302,7 +304,7 @@ void dapm_mark_endpoints_dirty(struct snd_soc_card *card) mutex_lock(&card->dapm_mutex); - list_for_each_entry(w, &card->widgets, list) { + for_each_card_widgets(card, w) { if (w->is_ep) { dapm_mark_dirty(w, "Rechecking endpoints"); if (w->is_ep & SND_SOC_DAPM_EP_SINK) @@ -368,14 +370,14 @@ static int dapm_kcontrol_data_alloc(struct snd_soc_dapm_widget *widget, case snd_soc_dapm_mixer_named_ctl: mc = (struct soc_mixer_control *)kcontrol->private_value; - if (mc->autodisable && snd_soc_volsw_is_stereo(mc)) - dev_warn(widget->dapm->dev, - "ASoC: Unsupported stereo autodisable control '%s'\n", - ctrl_name); - if (mc->autodisable) { struct snd_soc_dapm_widget template; + if (snd_soc_volsw_is_stereo(mc)) + dev_warn(widget->dapm->dev, + "ASoC: Unsupported stereo autodisable control '%s'\n", + ctrl_name); + name = kasprintf(GFP_KERNEL, "%s %s", ctrl_name, "Autodisable"); if (!name) { @@ -423,7 +425,7 @@ static int dapm_kcontrol_data_alloc(struct snd_soc_dapm_widget *widget, memset(&template, 0, sizeof(template)); template.reg = e->reg; - template.mask = e->mask << e->shift_l; + template.mask = e->mask; template.shift = e->shift_l; template.off_val = snd_soc_enum_item_to_val(e, 0); template.on_val = template.off_val; @@ -442,6 +444,9 @@ static int dapm_kcontrol_data_alloc(struct snd_soc_dapm_widget *widget, snd_soc_dapm_add_path(widget->dapm, data->widget, widget, NULL, NULL); + } else if (e->reg != SND_SOC_NOPM) { + data->value = soc_dapm_read(widget->dapm, e->reg) & + (e->mask << e->shift_l); } break; default: @@ -546,8 +551,22 @@ static bool dapm_kcontrol_set_value(const struct snd_kcontrol *kcontrol, if (data->value == value) return false; - if (data->widget) - data->widget->on_val = value; + if (data->widget) { + switch (dapm_kcontrol_get_wlist(kcontrol)->widgets[0]->id) { + case snd_soc_dapm_switch: + case snd_soc_dapm_mixer: + case snd_soc_dapm_mixer_named_ctl: + data->widget->on_val = value & data->widget->mask; + break; + case snd_soc_dapm_demux: + case snd_soc_dapm_mux: + data->widget->on_val = value >> data->widget->shift; + break; + default: + data->widget->on_val = value; + break; + } + } data->value = value; @@ -589,7 +608,7 @@ static void dapm_reset(struct snd_soc_card *card) memset(&card->dapm_stats, 0, sizeof(card->dapm_stats)); - list_for_each_entry(w, &card->widgets, list) { + for_each_card_widgets(card, w) { w->new_power = w->power; w->power_checked = false; } @@ -602,12 +621,11 @@ static const char *soc_dapm_prefix(struct snd_soc_dapm_context *dapm) return dapm->component->name_prefix; } -static int soc_dapm_read(struct snd_soc_dapm_context *dapm, int reg, - unsigned int *value) +static unsigned int soc_dapm_read(struct snd_soc_dapm_context *dapm, int reg) { if (!dapm->component) return -EIO; - return snd_soc_component_read(dapm->component, reg, value); + return snd_soc_component_read(dapm->component, reg); } static int soc_dapm_update_bits(struct snd_soc_dapm_context *dapm, @@ -637,12 +655,11 @@ static struct snd_soc_dapm_widget * dapm_wcache_lookup(struct snd_soc_dapm_wcache *wcache, const char *name) { struct snd_soc_dapm_widget *w = wcache->widget; - struct list_head *wlist; - const int depth = 2; - int i = 0; if (w) { - wlist = &w->dapm->card->widgets; + struct list_head *wlist = &w->dapm->card->widgets; + const int depth = 2; + int i = 0; list_for_each_entry_from(w, wlist, list) { if (!strcmp(name, w->name)) @@ -711,8 +728,7 @@ static int snd_soc_dapm_set_bias_level(struct snd_soc_dapm_context *dapm, trace_snd_soc_bias_level_start(card, level); - if (card && card->set_bias_level) - ret = card->set_bias_level(card, dapm, level); + ret = snd_soc_card_set_bias_level(card, dapm, level); if (ret != 0) goto out; @@ -722,8 +738,7 @@ static int snd_soc_dapm_set_bias_level(struct snd_soc_dapm_context *dapm, if (ret != 0) goto out; - if (card && card->set_bias_level_post) - ret = card->set_bias_level_post(card, dapm, level); + ret = snd_soc_card_set_bias_level_post(card, dapm, level); out: trace_snd_soc_bias_level_done(card, level); @@ -737,11 +752,12 @@ static int dapm_connect_mux(struct snd_soc_dapm_context *dapm, { const struct snd_kcontrol_new *kcontrol = &w->kcontrol_news[0]; struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; - unsigned int val, item; + unsigned int item; int i; if (e->reg != SND_SOC_NOPM) { - soc_dapm_read(dapm, e->reg, &val); + unsigned int val; + val = soc_dapm_read(dapm, e->reg); val = (val >> e->shift_l) & e->mask; item = snd_soc_enum_val_to_item(e, val); } else { @@ -771,14 +787,14 @@ static void dapm_set_mixer_path_status(struct snd_soc_dapm_path *p, int i, struct soc_mixer_control *mc = (struct soc_mixer_control *) p->sink->kcontrol_news[i].private_value; unsigned int reg = mc->reg; - unsigned int shift = mc->shift; - unsigned int max = mc->max; - unsigned int mask = (1 << fls(max)) - 1; unsigned int invert = mc->invert; - unsigned int val; if (reg != SND_SOC_NOPM) { - soc_dapm_read(p->sink->dapm, reg, &val); + unsigned int shift = mc->shift; + unsigned int max = mc->max; + unsigned int mask = (1 << fls(max)) - 1; + unsigned int val = soc_dapm_read(p->sink->dapm, reg); + /* * The nth_path argument allows this function to know * which path of a kcontrol it is setting the initial @@ -793,7 +809,7 @@ static void dapm_set_mixer_path_status(struct snd_soc_dapm_path *p, int i, */ if (snd_soc_volsw_is_stereo(mc) && nth_path > 0) { if (reg != mc->rreg) - soc_dapm_read(p->sink->dapm, mc->rreg, &val); + val = soc_dapm_read(p->sink->dapm, mc->rreg); val = (val >> mc->rshift) & mask; } else { val = (val >> shift) & mask; @@ -802,7 +818,13 @@ static void dapm_set_mixer_path_status(struct snd_soc_dapm_path *p, int i, val = max - val; p->connect = !!val; } else { - p->connect = 0; + /* since a virtual mixer has no backing registers to + * decide which path to connect, it will try to match + * with initial state. This is to ensure + * that the default mixer choice will be + * correctly powered up during initialization. + */ + p->connect = invert; } } @@ -833,7 +855,7 @@ static int dapm_is_shared_kcontrol(struct snd_soc_dapm_context *dapm, *kcontrol = NULL; - list_for_each_entry(w, &dapm->card->widgets, list) { + for_each_card_widgets(dapm->card, w) { if (w == kcontrolw || w->dapm != kcontrolw->dapm) continue; for (i = 0; i < w->num_kcontrols; i++) { @@ -1043,10 +1065,10 @@ static int dapm_new_mux(struct snd_soc_dapm_widget *w) /* create new dapm volume control */ static int dapm_new_pga(struct snd_soc_dapm_widget *w) { - int i, ret; + int i; for (i = 0; i < w->num_kcontrols; i++) { - ret = dapm_create_or_share_kcontrol(w, i); + int ret = dapm_create_or_share_kcontrol(w, i); if (ret < 0) return ret; } @@ -1057,10 +1079,7 @@ static int dapm_new_pga(struct snd_soc_dapm_widget *w) /* create new dapm dai link control */ static int dapm_new_dai_link(struct snd_soc_dapm_widget *w) { - int i, ret; - struct snd_kcontrol *kcontrol; - struct snd_soc_dapm_context *dapm = w->dapm; - struct snd_card *card = dapm->card->snd_card; + int i; struct snd_soc_pcm_runtime *rtd = w->priv; /* create control for links with > 1 config */ @@ -1069,9 +1088,12 @@ static int dapm_new_dai_link(struct snd_soc_dapm_widget *w) /* add kcontrol */ for (i = 0; i < w->num_kcontrols; i++) { - kcontrol = snd_soc_cnew(&w->kcontrol_news[i], w, - w->name, NULL); - ret = snd_ctl_add(card, kcontrol); + struct snd_soc_dapm_context *dapm = w->dapm; + struct snd_card *card = dapm->card->snd_card; + struct snd_kcontrol *kcontrol = snd_soc_cnew(&w->kcontrol_news[i], + w, w->name, NULL); + int ret = snd_ctl_add(card, kcontrol); + if (ret < 0) { dev_err(dapm->dev, "ASoC: failed to add widget %s dapm kcontrol %s: %d\n", @@ -1105,6 +1127,11 @@ static int snd_soc_dapm_suspend_check(struct snd_soc_dapm_widget *widget) } } +static void dapm_widget_list_free(struct snd_soc_dapm_widget_list **list) +{ + kfree(*list); +} + static int dapm_widget_list_create(struct snd_soc_dapm_widget_list **list, struct list_head *widgets) { @@ -1254,7 +1281,7 @@ static int is_connected_input_ep(struct snd_soc_dapm_widget *widget, } /** - * snd_soc_dapm_get_connected_widgets - query audio path and it's widgets. + * snd_soc_dapm_dai_get_connected_widgets - query audio path and it's widgets. * @dai: the soc DAI. * @stream: stream direction. * @list: list of active widgets for this stream. @@ -1309,6 +1336,13 @@ int snd_soc_dapm_dai_get_connected_widgets(struct snd_soc_dai *dai, int stream, return paths; } +EXPORT_SYMBOL_GPL(snd_soc_dapm_dai_get_connected_widgets); + +void snd_soc_dapm_dai_free_widgets(struct snd_soc_dapm_widget_list **list) +{ + dapm_widget_list_free(list); +} +EXPORT_SYMBOL_GPL(snd_soc_dapm_dai_free_widgets); /* * Handler for regulator supply widget. @@ -1501,7 +1535,7 @@ static void dapm_seq_check_event(struct snd_soc_card *card, struct snd_soc_dapm_widget *w, int event) { const char *ev_name; - int power, ret; + int power; switch (event) { case SND_SOC_DAPM_PRE_PMU: @@ -1537,6 +1571,8 @@ static void dapm_seq_check_event(struct snd_soc_card *card, return; if (w->event && (w->event_flags & event)) { + int ret; + pop_dbg(w->dapm->dev, card->pop_time, "pop test : %s %s\n", w->name, ev_name); soc_dapm_async_complete(w->dapm); @@ -1618,7 +1654,7 @@ static void dapm_seq_run(struct snd_soc_card *card, int cur_subseq = -1; int cur_reg = SND_SOC_NOPM; struct snd_soc_dapm_context *cur_dapm = NULL; - int ret, i; + int i; int *sort; if (power_up) @@ -1627,7 +1663,7 @@ static void dapm_seq_run(struct snd_soc_card *card, sort = dapm_down_seq; list_for_each_entry_safe(w, n, list, power_list) { - ret = 0; + int ret = 0; /* Do we need to apply any queued changes? */ if (sort[w->id] != cur_sort || w->reg != cur_reg || @@ -1656,8 +1692,7 @@ static void dapm_seq_run(struct snd_soc_card *card, switch (w->id) { case snd_soc_dapm_pre: if (!w->event) - list_for_each_entry_safe_continue(w, n, list, - power_list); + continue; if (event == SND_SOC_DAPM_STREAM_START) ret = w->event(w, @@ -1669,8 +1704,7 @@ static void dapm_seq_run(struct snd_soc_card *card, case snd_soc_dapm_post: if (!w->event) - list_for_each_entry_safe_continue(w, n, list, - power_list); + continue; if (event == SND_SOC_DAPM_STREAM_START) ret = w->event(w, @@ -1706,9 +1740,8 @@ static void dapm_seq_run(struct snd_soc_card *card, i, cur_subseq); } - list_for_each_entry(d, &card->dapm_list, list) { + for_each_card_dapms(card, d) soc_dapm_async_complete(d); - } } static void dapm_widget_update(struct snd_soc_card *card) @@ -1724,9 +1757,7 @@ static void dapm_widget_update(struct snd_soc_card *card) wlist = dapm_kcontrol_get_wlist(update->kcontrol); - for (wi = 0; wi < wlist->num_widgets; wi++) { - w = wlist->widgets[wi]; - + for_each_dapm_widgets(wlist, wi, w) { if (w->event && (w->event_flags & SND_SOC_DAPM_PRE_REG)) { ret = w->event(w, update->kcontrol, SND_SOC_DAPM_PRE_REG); if (ret != 0) @@ -1753,9 +1784,7 @@ static void dapm_widget_update(struct snd_soc_card *card) w->name, ret); } - for (wi = 0; wi < wlist->num_widgets; wi++) { - w = wlist->widgets[wi]; - + for_each_dapm_widgets(wlist, wi, w) { if (w->event && (w->event_flags & SND_SOC_DAPM_POST_REG)) { ret = w->event(w, update->kcontrol, SND_SOC_DAPM_POST_REG); if (ret != 0) @@ -1776,7 +1805,7 @@ static void dapm_pre_sequence_async(void *data, async_cookie_t cookie) /* If we're off and we're not supposed to go into STANDBY */ if (d->bias_level == SND_SOC_BIAS_OFF && d->target_bias_level != SND_SOC_BIAS_OFF) { - if (d->dev) + if (d->dev && cookie) pm_runtime_get_sync(d->dev); ret = snd_soc_dapm_set_bias_level(d, SND_SOC_BIAS_STANDBY); @@ -1823,7 +1852,7 @@ static void dapm_post_sequence_async(void *data, async_cookie_t cookie) dev_err(d->dev, "ASoC: Failed to turn off bias: %d\n", ret); - if (d->dev) + if (d->dev && cookie) pm_runtime_put(d->dev); } @@ -1943,7 +1972,7 @@ static int dapm_power_widgets(struct snd_soc_card *card, int event) trace_snd_soc_dapm_start(card); - list_for_each_entry(d, &card->dapm_list, list) { + for_each_card_dapms(card, d) { if (dapm_idle_bias_off(d)) d->target_bias_level = SND_SOC_BIAS_OFF; else @@ -1962,7 +1991,7 @@ static int dapm_power_widgets(struct snd_soc_card *card, int event) dapm_power_one_widget(w, &up_list, &down_list); } - list_for_each_entry(w, &card->widgets, list) { + for_each_card_widgets(card, w) { switch (w->id) { case snd_soc_dapm_pre: case snd_soc_dapm_post: @@ -2007,10 +2036,10 @@ static int dapm_power_widgets(struct snd_soc_card *card, int event) * they're not ground referenced. */ bias = SND_SOC_BIAS_OFF; - list_for_each_entry(d, &card->dapm_list, list) + for_each_card_dapms(card, d) if (d->target_bias_level > bias) bias = d->target_bias_level; - list_for_each_entry(d, &card->dapm_list, list) + for_each_card_dapms(card, d) if (!dapm_idle_bias_off(d)) d->target_bias_level = bias; @@ -2019,7 +2048,7 @@ static int dapm_power_widgets(struct snd_soc_card *card, int event) /* Run card bias changes at first */ dapm_pre_sequence_async(&card->dapm, 0); /* Run other bias changes in parallel */ - list_for_each_entry(d, &card->dapm_list, list) { + for_each_card_dapms(card, d) { if (d != &card->dapm && d->bias_level != d->target_bias_level) async_schedule_domain(dapm_pre_sequence_async, d, &async_domain); @@ -2043,7 +2072,7 @@ static int dapm_power_widgets(struct snd_soc_card *card, int event) dapm_seq_run(card, &up_list, event, true); /* Run all the bias changes in parallel */ - list_for_each_entry(d, &card->dapm_list, list) { + for_each_card_dapms(card, d) { if (d != &card->dapm && d->bias_level != d->target_bias_level) async_schedule_domain(dapm_post_sequence_async, d, &async_domain); @@ -2053,7 +2082,7 @@ static int dapm_power_widgets(struct snd_soc_card *card, int event) dapm_post_sequence_async(&card->dapm, 0); /* do we need to notify any clients that DAPM event is complete */ - list_for_each_entry(d, &card->dapm_list, list) { + for_each_card_dapms(card, d) { if (!d->component) continue; @@ -2286,7 +2315,7 @@ int snd_soc_dapm_mux_update_power(struct snd_soc_dapm_context *dapm, card->update = NULL; mutex_unlock(&card->dapm_mutex); if (ret > 0) - soc_dpcm_runtime_update(card); + snd_soc_dpcm_runtime_update(card); return ret; } EXPORT_SYMBOL_GPL(snd_soc_dapm_mux_update_power); @@ -2351,17 +2380,16 @@ int snd_soc_dapm_mixer_update_power(struct snd_soc_dapm_context *dapm, card->update = NULL; mutex_unlock(&card->dapm_mutex); if (ret > 0) - soc_dpcm_runtime_update(card); + snd_soc_dpcm_runtime_update(card); return ret; } EXPORT_SYMBOL_GPL(snd_soc_dapm_mixer_update_power); static ssize_t dapm_widget_show_component(struct snd_soc_component *cmpnt, - char *buf) + char *buf, int count) { 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"; /* card won't be set for the dummy component, as a spot fix @@ -2371,7 +2399,7 @@ static ssize_t dapm_widget_show_component(struct snd_soc_component *cmpnt, if (!cmpnt->card) return 0; - list_for_each_entry(w, &cmpnt->card->widgets, list) { + for_each_card_widgets(cmpnt->card, w) { if (w->dapm != dapm) continue; @@ -2394,7 +2422,7 @@ static ssize_t dapm_widget_show_component(struct snd_soc_component *cmpnt, case snd_soc_dapm_pinctrl: case snd_soc_dapm_clock_supply: if (w->name) - count += sprintf(buf + count, "%s: %s\n", + count += sysfs_emit_at(buf, count, "%s: %s\n", w->name, w->power ? "On":"Off"); break; default: @@ -2416,7 +2444,7 @@ static ssize_t dapm_widget_show_component(struct snd_soc_component *cmpnt, state = "Off"; break; } - count += sprintf(buf + count, "PM State: %s\n", state); + count += sysfs_emit_at(buf, count, "PM State: %s\n", state); return count; } @@ -2431,10 +2459,10 @@ static ssize_t dapm_widget_show(struct device *dev, mutex_lock(&rtd->card->dapm_mutex); - for_each_rtd_codec_dai(rtd, i, codec_dai) { + for_each_rtd_codec_dais(rtd, i, codec_dai) { struct snd_soc_component *cmpnt = codec_dai->component; - count += dapm_widget_show_component(cmpnt, buf + count); + count = dapm_widget_show_component(cmpnt, buf, count); } mutex_unlock(&rtd->card->dapm_mutex); @@ -2458,12 +2486,19 @@ static void dapm_free_path(struct snd_soc_dapm_path *path) kfree(path); } +/** + * snd_soc_dapm_free_widget - Free specified widget + * @w: widget to free + * + * Removes widget from all paths and frees memory occupied by it. + */ 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); + list_del(&w->dirty); /* * remove source and sink paths associated to this widget. * While removing the path, remove reference to it from both @@ -2479,6 +2514,7 @@ void snd_soc_dapm_free_widget(struct snd_soc_dapm_widget *w) kfree_const(w->sname); kfree(w); } +EXPORT_SYMBOL_GPL(snd_soc_dapm_free_widget); void snd_soc_dapm_reset_cache(struct snd_soc_dapm_context *dapm) { @@ -2491,7 +2527,7 @@ static void dapm_free_widgets(struct snd_soc_dapm_context *dapm) { struct snd_soc_dapm_widget *w, *next_w; - list_for_each_entry_safe(w, next_w, &dapm->card->widgets, list) { + for_each_card_widgets_safe(dapm->card, w, next_w) { if (w->dapm != dapm) continue; snd_soc_dapm_free_widget(w); @@ -2505,9 +2541,20 @@ static struct snd_soc_dapm_widget *dapm_find_widget( { struct snd_soc_dapm_widget *w; struct snd_soc_dapm_widget *fallback = NULL; + char prefixed_pin[80]; + const char *pin_name; + const char *prefix = soc_dapm_prefix(dapm); - list_for_each_entry(w, &dapm->card->widgets, list) { - if (!strcmp(w->name, pin)) { + if (prefix) { + snprintf(prefixed_pin, sizeof(prefixed_pin), "%s %s", + prefix, pin); + pin_name = prefixed_pin; + } else { + pin_name = pin; + } + + for_each_card_widgets(dapm->card, w) { + if (!strcmp(w->name, pin_name)) { if (w->dapm == dapm) return w; else @@ -2521,10 +2568,16 @@ static struct snd_soc_dapm_widget *dapm_find_widget( return NULL; } -static int snd_soc_dapm_set_pin(struct snd_soc_dapm_context *dapm, - const char *pin, int status) +/* + * set the DAPM pin status: + * returns 1 when the value has been updated, 0 when unchanged, or a negative + * error code; called from kcontrol put callback + */ +static int __snd_soc_dapm_set_pin(struct snd_soc_dapm_context *dapm, + const char *pin, int status) { struct snd_soc_dapm_widget *w = dapm_find_widget(dapm, pin, true); + int ret = 0; dapm_assert_locked(dapm); @@ -2537,13 +2590,26 @@ static int snd_soc_dapm_set_pin(struct snd_soc_dapm_context *dapm, dapm_mark_dirty(w, "pin configuration"); dapm_widget_invalidate_input_paths(w); dapm_widget_invalidate_output_paths(w); + ret = 1; } w->connected = status; if (status == 0) w->force = 0; - return 0; + return ret; +} + +/* + * similar as __snd_soc_dapm_set_pin(), but returns 0 when successful; + * called from several API functions below + */ +static int snd_soc_dapm_set_pin(struct snd_soc_dapm_context *dapm, + const char *pin, int status) +{ + int ret = __snd_soc_dapm_set_pin(dapm, pin, status); + + return ret < 0 ? ret : 0; } /** @@ -2624,10 +2690,7 @@ static int dapm_update_dai_unlocked(struct snd_pcm_substream *substream, struct snd_soc_dapm_widget *w; int ret; - if (dir == SNDRV_PCM_STREAM_PLAYBACK) - w = dai->playback_widget; - else - w = dai->capture_widget; + w = snd_soc_dai_get_widget(dai, dir); if (!w) return 0; @@ -2654,7 +2717,7 @@ int snd_soc_dapm_update_dai(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { - struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); int ret; mutex_lock_nested(&rtd->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); @@ -2908,7 +2971,7 @@ static int snd_soc_dapm_add_route(struct snd_soc_dapm_context *dapm, * find src and dest widgets over all widgets but favor a widget from * current DAPM context */ - list_for_each_entry(w, &dapm->card->widgets, list) { + for_each_card_widgets(dapm->card, w) { if (!wsink && !(strcmp(w->name, sink))) { wtsink = w; if (w->dapm == dapm) { @@ -2973,7 +3036,6 @@ err: static int snd_soc_dapm_del_route(struct snd_soc_dapm_context *dapm, const struct snd_soc_dapm_route *route) { - struct snd_soc_dapm_widget *wsource, *wsink; struct snd_soc_dapm_path *path, *p; const char *sink; const char *source; @@ -3011,8 +3073,8 @@ static int snd_soc_dapm_del_route(struct snd_soc_dapm_context *dapm, } if (path) { - wsource = path->source; - wsink = path->sink; + struct snd_soc_dapm_widget *wsource = path->source; + struct snd_soc_dapm_widget *wsink = path->sink; dapm_mark_dirty(wsource, "Route removed"); dapm_mark_dirty(wsink, "Route removed"); @@ -3048,11 +3110,11 @@ static int snd_soc_dapm_del_route(struct snd_soc_dapm_context *dapm, int snd_soc_dapm_add_routes(struct snd_soc_dapm_context *dapm, const struct snd_soc_dapm_route *route, int num) { - int i, r, ret = 0; + int i, ret = 0; mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); for (i = 0; i < num; i++) { - r = snd_soc_dapm_add_route(dapm, route); + int r = snd_soc_dapm_add_route(dapm, route); if (r < 0) { dev_err(dapm->dev, "ASoC: Failed to add route %s -> %s -> %s\n", route->source, @@ -3156,12 +3218,12 @@ static int snd_soc_dapm_weak_route(struct snd_soc_dapm_context *dapm, int snd_soc_dapm_weak_routes(struct snd_soc_dapm_context *dapm, const struct snd_soc_dapm_route *route, int num) { - int i, err; + int i; int ret = 0; mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_INIT); for (i = 0; i < num; i++) { - err = snd_soc_dapm_weak_route(dapm, route); + int err = snd_soc_dapm_weak_route(dapm, route); if (err) ret = err; route++; @@ -3187,7 +3249,7 @@ int snd_soc_dapm_new_widgets(struct snd_soc_card *card) mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_INIT); - list_for_each_entry(w, &card->widgets, list) + for_each_card_widgets(card, w) { if (w->new) continue; @@ -3226,7 +3288,7 @@ int snd_soc_dapm_new_widgets(struct snd_soc_card *card) /* Read the initial power state from the device */ if (w->reg >= 0) { - soc_dapm_read(w->dapm, w->reg, &val); + val = soc_dapm_read(w->dapm, w->reg); val = val >> w->shift; val &= w->mask; if (val == w->on_val) @@ -3268,15 +3330,14 @@ int snd_soc_dapm_get_volsw(struct snd_kcontrol *kcontrol, unsigned int mask = (1 << fls(max)) - 1; unsigned int invert = mc->invert; unsigned int reg_val, val, rval = 0; - int ret = 0; mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); if (dapm_kcontrol_is_powered(kcontrol) && reg != SND_SOC_NOPM) { - ret = soc_dapm_read(dapm, reg, ®_val); + reg_val = soc_dapm_read(dapm, reg); val = (reg_val >> shift) & mask; - if (ret == 0 && reg != mc->rreg) - ret = soc_dapm_read(dapm, mc->rreg, ®_val); + if (reg != mc->rreg) + reg_val = soc_dapm_read(dapm, mc->rreg); if (snd_soc_volsw_is_stereo(mc)) rval = (reg_val >> mc->rshift) & mask; @@ -3289,9 +3350,6 @@ int snd_soc_dapm_get_volsw(struct snd_kcontrol *kcontrol, } mutex_unlock(&card->dapm_mutex); - if (ret) - return ret; - if (invert) ucontrol->value.integer.value[0] = max - val; else @@ -3304,7 +3362,7 @@ int snd_soc_dapm_get_volsw(struct snd_kcontrol *kcontrol, ucontrol->value.integer.value[1] = rval; } - return ret; + return 0; } EXPORT_SYMBOL_GPL(snd_soc_dapm_get_volsw); @@ -3383,7 +3441,6 @@ int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol, update.val = val; card->update = &update; } - change |= reg_change; ret = soc_dapm_mixer_update_power(card, kcontrol, connect, rconnect); @@ -3394,7 +3451,7 @@ int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol, mutex_unlock(&card->dapm_mutex); if (ret > 0) - soc_dpcm_runtime_update(card); + snd_soc_dpcm_runtime_update(card); return change; } @@ -3419,11 +3476,7 @@ int snd_soc_dapm_get_enum_double(struct snd_kcontrol *kcontrol, mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); if (e->reg != SND_SOC_NOPM && dapm_kcontrol_is_powered(kcontrol)) { - int ret = soc_dapm_read(dapm, e->reg, ®_val); - if (ret) { - mutex_unlock(&card->dapm_mutex); - return ret; - } + reg_val = soc_dapm_read(dapm, e->reg); } else { reg_val = dapm_kcontrol_get_value(kcontrol); } @@ -3489,7 +3542,6 @@ int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol, update.val = val; card->update = &update; } - change |= reg_change; ret = soc_dapm_mux_update_power(card, kcontrol, item[0], e); @@ -3499,7 +3551,7 @@ int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol, mutex_unlock(&card->dapm_mutex); if (ret > 0) - soc_dpcm_runtime_update(card); + snd_soc_dpcm_runtime_update(card); return change; } @@ -3559,14 +3611,15 @@ int snd_soc_dapm_put_pin_switch(struct snd_kcontrol *kcontrol, { struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); const char *pin = (const char *)kcontrol->private_value; + int ret; - if (ucontrol->value.integer.value[0]) - snd_soc_dapm_enable_pin(&card->dapm, pin); - else - snd_soc_dapm_disable_pin(&card->dapm, pin); + mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); + ret = __snd_soc_dapm_set_pin(&card->dapm, pin, + !!ucontrol->value.integer.value[0]); + mutex_unlock(&card->dapm_mutex); snd_soc_dapm_sync(&card->dapm); - return 0; + return ret; } EXPORT_SYMBOL_GPL(snd_soc_dapm_put_pin_switch); @@ -3577,10 +3630,18 @@ snd_soc_dapm_new_control_unlocked(struct snd_soc_dapm_context *dapm, enum snd_soc_dapm_direction dir; struct snd_soc_dapm_widget *w; const char *prefix; - int ret; + int ret = -ENOMEM; if ((w = dapm_cnew_widget(widget)) == NULL) - return ERR_PTR(-ENOMEM); + goto cnew_failed; + + prefix = soc_dapm_prefix(dapm); + if (prefix) + w->name = kasprintf(GFP_KERNEL, "%s %s", prefix, widget->name); + else + w->name = kstrdup_const(widget->name, GFP_KERNEL); + if (!w->name) + goto name_failed; switch (w->id) { case snd_soc_dapm_regulator_supply: @@ -3604,6 +3665,9 @@ snd_soc_dapm_new_control_unlocked(struct snd_soc_dapm_context *dapm, ret = PTR_ERR(w->pinctrl); goto request_failed; } + + /* set to sleep_state when initializing */ + dapm_pinctrl_event(w, NULL, SND_SOC_DAPM_POST_PMD); break; case snd_soc_dapm_clock_supply: w->clk = devm_clk_get(dapm->dev, w->name); @@ -3616,17 +3680,6 @@ snd_soc_dapm_new_control_unlocked(struct snd_soc_dapm_context *dapm, break; } - prefix = soc_dapm_prefix(dapm); - if (prefix) - w->name = kasprintf(GFP_KERNEL, "%s %s", prefix, widget->name); - else - w->name = kstrdup_const(widget->name, GFP_KERNEL); - if (w->name == NULL) { - kfree_const(w->sname); - kfree(w); - return ERR_PTR(-ENOMEM); - } - switch (w->id) { case snd_soc_dapm_mic: w->is_ep = SND_SOC_DAPM_EP_SOURCE; @@ -3698,6 +3751,7 @@ snd_soc_dapm_new_control_unlocked(struct snd_soc_dapm_context *dapm, w->dapm = dapm; INIT_LIST_HEAD(&w->list); INIT_LIST_HEAD(&w->dirty); + /* see for_each_card_widgets */ list_add_tail(&w->list, &dapm->card->widgets); snd_soc_dapm_for_each_direction(dir) { @@ -3710,12 +3764,13 @@ snd_soc_dapm_new_control_unlocked(struct snd_soc_dapm_context *dapm, return w; request_failed: - if (ret != -EPROBE_DEFER) - dev_err(dapm->dev, "ASoC: Failed to request %s: %d\n", - w->name, ret); - + dev_err_probe(dapm->dev, ret, "ASoC: Failed to request %s\n", + w->name); + kfree_const(w->name); +name_failed: kfree_const(w->sname); kfree(w); +cnew_failed: return ERR_PTR(ret); } @@ -3756,13 +3811,12 @@ int snd_soc_dapm_new_controls(struct snd_soc_dapm_context *dapm, const struct snd_soc_dapm_widget *widget, int num) { - struct snd_soc_dapm_widget *w; int i; int ret = 0; mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_INIT); for (i = 0; i < num; i++) { - w = snd_soc_dapm_new_control_unlocked(dapm, widget); + struct snd_soc_dapm_widget *w = snd_soc_dapm_new_control_unlocked(dapm, widget); if (IS_ERR(w)) { ret = PTR_ERR(w); break; @@ -3780,13 +3834,22 @@ snd_soc_dai_link_event_pre_pmu(struct snd_soc_dapm_widget *w, { struct snd_soc_dapm_path *path; struct snd_soc_dai *source, *sink; - struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); struct snd_pcm_hw_params *params = NULL; const struct snd_soc_pcm_stream *config = NULL; struct snd_pcm_runtime *runtime = NULL; unsigned int fmt; int ret = 0; + /* + * NOTE + * + * snd_pcm_hw_params is quite large (608 bytes on arm64) and is + * starting to get a bit excessive for allocation on the stack, + * especially when you're building with some of the KASAN type + * stuff that increases stack usage. + * So, we use kzalloc()/kfree() for params in this function. + */ params = kzalloc(sizeof(*params), GFP_KERNEL); if (!params) return -ENOMEM; @@ -3804,12 +3867,10 @@ snd_soc_dai_link_event_pre_pmu(struct snd_soc_dapm_widget *w, source = path->source->priv; ret = snd_soc_dai_startup(source, substream); - if (ret < 0) { - dev_err(source->dev, - "ASoC: startup() failed: %d\n", ret); + if (ret < 0) goto out; - } - source->active++; + + snd_soc_dai_activate(source, substream->stream); } substream->stream = SNDRV_PCM_STREAM_PLAYBACK; @@ -3817,12 +3878,10 @@ snd_soc_dai_link_event_pre_pmu(struct snd_soc_dapm_widget *w, sink = path->sink->priv; ret = snd_soc_dai_startup(sink, substream); - if (ret < 0) { - dev_err(sink->dev, - "ASoC: startup() failed: %d\n", ret); + if (ret < 0) goto out; - } - sink->active++; + + snd_soc_dai_activate(sink, substream->stream); } substream->hw_opened = 1; @@ -3833,23 +3892,22 @@ snd_soc_dai_link_event_pre_pmu(struct snd_soc_dapm_widget *w, * necessary */ config = rtd->dai_link->params + rtd->params_select; - if (WARN_ON(!config)) { + if (!config) { dev_err(w->dapm->dev, "ASoC: link config missing\n"); ret = -EINVAL; goto out; } /* Be a little careful as we don't want to overflow the mask array */ - if (config->formats) { - fmt = ffs(config->formats) - 1; - } else { - dev_warn(w->dapm->dev, "ASoC: Invalid format %llx specified\n", - config->formats); + if (!config->formats) { + dev_warn(w->dapm->dev, "ASoC: Invalid format was specified\n"); ret = -EINVAL; goto out; } + fmt = ffs(config->formats) - 1; + snd_mask_set(hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT), fmt); hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE)->min = config->rate_min; @@ -3888,7 +3946,9 @@ snd_soc_dai_link_event_pre_pmu(struct snd_soc_dapm_widget *w, runtime->rate = params_rate(params); out: + /* see above NOTE */ kfree(params); + return ret; } @@ -3916,11 +3976,7 @@ static int snd_soc_dai_link_event(struct snd_soc_dapm_widget *w, snd_soc_dapm_widget_for_each_sink_path(w, path) { sink = path->sink->priv; - ret = snd_soc_dai_digital_mute(sink, 0, - SNDRV_PCM_STREAM_PLAYBACK); - if (ret != 0 && ret != -ENOTSUPP) - dev_warn(sink->dev, - "ASoC: Failed to unmute: %d\n", ret); + snd_soc_dai_digital_mute(sink, 0, SNDRV_PCM_STREAM_PLAYBACK); ret = 0; } break; @@ -3929,38 +3985,34 @@ static int snd_soc_dai_link_event(struct snd_soc_dapm_widget *w, snd_soc_dapm_widget_for_each_sink_path(w, path) { sink = path->sink->priv; - ret = snd_soc_dai_digital_mute(sink, 1, - SNDRV_PCM_STREAM_PLAYBACK); - if (ret != 0 && ret != -ENOTSUPP) - dev_warn(sink->dev, - "ASoC: Failed to mute: %d\n", ret); + snd_soc_dai_digital_mute(sink, 1, SNDRV_PCM_STREAM_PLAYBACK); ret = 0; } substream->stream = SNDRV_PCM_STREAM_CAPTURE; snd_soc_dapm_widget_for_each_source_path(w, path) { source = path->source->priv; - snd_soc_dai_hw_free(source, substream); + snd_soc_dai_hw_free(source, substream, 0); } substream->stream = SNDRV_PCM_STREAM_PLAYBACK; snd_soc_dapm_widget_for_each_sink_path(w, path) { sink = path->sink->priv; - snd_soc_dai_hw_free(sink, substream); + snd_soc_dai_hw_free(sink, substream, 0); } substream->stream = SNDRV_PCM_STREAM_CAPTURE; snd_soc_dapm_widget_for_each_source_path(w, path) { source = path->source->priv; - source->active--; - snd_soc_dai_shutdown(source, substream); + snd_soc_dai_deactivate(source, substream->stream); + snd_soc_dai_shutdown(source, substream, 0); } substream->stream = SNDRV_PCM_STREAM_PLAYBACK; snd_soc_dapm_widget_for_each_sink_path(w, path) { sink = path->sink->priv; - sink->active--; - snd_soc_dai_shutdown(sink, substream); + snd_soc_dai_deactivate(sink, substream->stream); + snd_soc_dai_shutdown(sink, substream, 0); } break; @@ -4008,7 +4060,7 @@ static int snd_soc_dapm_dai_link_put(struct snd_kcontrol *kcontrol, rtd->params_select = ucontrol->value.enumerated.item[0]; - return 0; + return 1; } static void @@ -4102,7 +4154,7 @@ snd_soc_dapm_new_dai(struct snd_soc_card *card, struct snd_pcm_substream *substream, char *id) { - struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); struct snd_soc_dapm_widget template; struct snd_soc_dapm_widget *w; const char **w_param_text; @@ -4153,6 +4205,8 @@ snd_soc_dapm_new_dai(struct snd_soc_card *card, w = snd_soc_dapm_new_control_unlocked(&card->dapm, &template); if (IS_ERR(w)) { ret = PTR_ERR(w); + dev_err(rtd->dev, "ASoC: Failed to create %s widget: %d\n", + link_name, ret); goto outfree_kcontrol_news; } @@ -4169,6 +4223,13 @@ param_fail: return ERR_PTR(ret); } +/** + * snd_soc_dapm_new_dai_widgets - Create new DAPM widgets + * @dapm: DAPM context + * @dai: parent DAI + * + * Returns 0 on success, error code otherwise. + */ int snd_soc_dapm_new_dai_widgets(struct snd_soc_dapm_context *dapm, struct snd_soc_dai *dai) { @@ -4214,6 +4275,7 @@ int snd_soc_dapm_new_dai_widgets(struct snd_soc_dapm_context *dapm, return 0; } +EXPORT_SYMBOL_GPL(snd_soc_dapm_new_dai_widgets); int snd_soc_dapm_link_dai_widgets(struct snd_soc_card *card) { @@ -4222,7 +4284,7 @@ int snd_soc_dapm_link_dai_widgets(struct snd_soc_card *card) struct snd_soc_dai *dai; /* For each DAI widget... */ - list_for_each_entry(dai_w, &card->widgets, list) { + for_each_card_widgets(card, dai_w) { switch (dai_w->id) { case snd_soc_dapm_dai_in: case snd_soc_dapm_dai_out: @@ -4241,7 +4303,7 @@ int snd_soc_dapm_link_dai_widgets(struct snd_soc_card *card) dai = dai_w->priv; /* ...find all widgets with the same stream and link them */ - list_for_each_entry(w, &card->widgets, list) { + for_each_card_widgets(card, w) { if (w->dapm != dai_w->dapm) continue; @@ -4271,85 +4333,79 @@ int snd_soc_dapm_link_dai_widgets(struct snd_soc_card *card) return 0; } -static void dapm_connect_dai_link_widgets(struct snd_soc_card *card, - struct snd_soc_pcm_runtime *rtd) +static void dapm_connect_dai_routes(struct snd_soc_dapm_context *dapm, + struct snd_soc_dai *src_dai, + struct snd_soc_dapm_widget *src, + struct snd_soc_dapm_widget *dai, + struct snd_soc_dai *sink_dai, + struct snd_soc_dapm_widget *sink) { - struct snd_soc_dai *cpu_dai = rtd->cpu_dai; - struct snd_soc_dai *codec_dai; - struct snd_soc_dapm_widget *playback = NULL, *capture = NULL; - struct snd_soc_dapm_widget *codec, *playback_cpu, *capture_cpu; + dev_dbg(dapm->dev, "connected DAI link %s:%s -> %s:%s\n", + src_dai->component->name, src->name, + sink_dai->component->name, sink->name); + + if (dai) { + snd_soc_dapm_add_path(dapm, src, dai, NULL, NULL); + src = dai; + } + + snd_soc_dapm_add_path(dapm, src, sink, NULL, NULL); +} + +static void dapm_connect_dai_pair(struct snd_soc_card *card, + struct snd_soc_pcm_runtime *rtd, + struct snd_soc_dai *codec_dai, + struct snd_soc_dai *cpu_dai) +{ + struct snd_soc_dai_link *dai_link = rtd->dai_link; + struct snd_soc_dapm_widget *dai, *codec, *playback_cpu, *capture_cpu; struct snd_pcm_substream *substream; struct snd_pcm_str *streams = rtd->pcm->streams; - int i; + int stream; - if (rtd->dai_link->params) { + if (dai_link->params) { playback_cpu = cpu_dai->capture_widget; capture_cpu = cpu_dai->playback_widget; } else { - playback = cpu_dai->playback_widget; - capture = cpu_dai->capture_widget; - playback_cpu = playback; - capture_cpu = capture; - } - - for_each_rtd_codec_dai(rtd, i, codec_dai) { - /* connect BE DAI playback if widgets are valid */ - codec = codec_dai->playback_widget; - - if (playback_cpu && codec) { - if (!playback) { - substream = streams[SNDRV_PCM_STREAM_PLAYBACK].substream; - playback = snd_soc_dapm_new_dai(card, substream, - "playback"); - if (IS_ERR(playback)) { - dev_err(rtd->dev, - "ASoC: Failed to create DAI %s: %ld\n", - codec_dai->name, - PTR_ERR(playback)); - continue; - } - - snd_soc_dapm_add_path(&card->dapm, playback_cpu, - playback, NULL, NULL); - } + playback_cpu = cpu_dai->playback_widget; + capture_cpu = cpu_dai->capture_widget; + } - dev_dbg(rtd->dev, "connected DAI link %s:%s -> %s:%s\n", - cpu_dai->component->name, playback_cpu->name, - codec_dai->component->name, codec->name); + /* connect BE DAI playback if widgets are valid */ + stream = SNDRV_PCM_STREAM_PLAYBACK; + codec = codec_dai->playback_widget; - snd_soc_dapm_add_path(&card->dapm, playback, codec, - NULL, NULL); + if (playback_cpu && codec) { + if (dai_link->params && !rtd->c2c_widget[stream]) { + substream = streams[stream].substream; + dai = snd_soc_dapm_new_dai(card, substream, "playback"); + if (IS_ERR(dai)) + goto capture; + rtd->c2c_widget[stream] = dai; } - } - for_each_rtd_codec_dai(rtd, i, codec_dai) { - /* connect BE DAI capture if widgets are valid */ - codec = codec_dai->capture_widget; - - if (codec && capture_cpu) { - if (!capture) { - substream = streams[SNDRV_PCM_STREAM_CAPTURE].substream; - capture = snd_soc_dapm_new_dai(card, substream, - "capture"); - if (IS_ERR(capture)) { - dev_err(rtd->dev, - "ASoC: Failed to create DAI %s: %ld\n", - codec_dai->name, - PTR_ERR(capture)); - continue; - } - - snd_soc_dapm_add_path(&card->dapm, capture, - capture_cpu, NULL, NULL); - } + dapm_connect_dai_routes(&card->dapm, cpu_dai, playback_cpu, + rtd->c2c_widget[stream], + codec_dai, codec); + } - dev_dbg(rtd->dev, "connected DAI link %s:%s -> %s:%s\n", - codec_dai->component->name, codec->name, - cpu_dai->component->name, capture_cpu->name); +capture: + /* connect BE DAI capture if widgets are valid */ + stream = SNDRV_PCM_STREAM_CAPTURE; + codec = codec_dai->capture_widget; - snd_soc_dapm_add_path(&card->dapm, codec, capture, - NULL, NULL); + if (codec && capture_cpu) { + if (dai_link->params && !rtd->c2c_widget[stream]) { + substream = streams[stream].substream; + dai = snd_soc_dapm_new_dai(card, substream, "capture"); + if (IS_ERR(dai)) + return; + rtd->c2c_widget[stream] = dai; } + + dapm_connect_dai_routes(&card->dapm, codec_dai, codec, + rtd->c2c_widget[stream], + cpu_dai, capture_cpu); } } @@ -4357,14 +4413,12 @@ 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; - else - w = dai->capture_widget; + w = snd_soc_dai_get_widget(dai, stream); if (w) { + unsigned int ep; + dapm_mark_dirty(w, "stream event"); if (w->id == snd_soc_dapm_dai_in) { @@ -4396,6 +4450,8 @@ static void soc_dapm_dai_stream_event(struct snd_soc_dai *dai, int stream, void snd_soc_dapm_connect_dai_link_widgets(struct snd_soc_card *card) { struct snd_soc_pcm_runtime *rtd; + struct snd_soc_dai *codec_dai; + int i; /* for each BE DAI link... */ for_each_card_rtds(card, rtd) { @@ -4406,19 +4462,29 @@ void snd_soc_dapm_connect_dai_link_widgets(struct snd_soc_card *card) if (rtd->dai_link->dynamic) continue; - dapm_connect_dai_link_widgets(card, rtd); + if (rtd->dai_link->num_cpus == 1) { + for_each_rtd_codec_dais(rtd, i, codec_dai) + dapm_connect_dai_pair(card, rtd, codec_dai, + asoc_rtd_to_cpu(rtd, 0)); + } else if (rtd->dai_link->num_codecs == rtd->dai_link->num_cpus) { + for_each_rtd_codec_dais(rtd, i, codec_dai) + dapm_connect_dai_pair(card, rtd, codec_dai, + asoc_rtd_to_cpu(rtd, i)); + } else { + dev_err(card->dev, + "N cpus to M codecs link is not supported yet\n"); + } } } static void soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd, int stream, int event) { - struct snd_soc_dai *codec_dai; + struct snd_soc_dai *dai; int i; - soc_dapm_dai_stream_event(rtd->cpu_dai, stream, event); - for_each_rtd_codec_dai(rtd, i, codec_dai) - soc_dapm_dai_stream_event(codec_dai, stream, event); + for_each_rtd_dais(rtd, i, dai) + soc_dapm_dai_stream_event(dai, stream, event); dapm_power_widgets(rtd->card, event); } @@ -4747,13 +4813,14 @@ void snd_soc_dapm_init(struct snd_soc_dapm_context *dapm, if (component) { dapm->dev = component->dev; - dapm->idle_bias_off = !component->driver->idle_bias_on, + dapm->idle_bias_off = !component->driver->idle_bias_on; dapm->suspend_bias_off = component->driver->suspend_bias_off; } else { dapm->dev = card->dev; } INIT_LIST_HEAD(&dapm->list); + /* see for_each_card_dapms */ list_add(&dapm->list, &card->dapm_list); } EXPORT_SYMBOL_GPL(snd_soc_dapm_init); @@ -4767,7 +4834,7 @@ static void soc_dapm_shutdown_dapm(struct snd_soc_dapm_context *dapm) mutex_lock(&card->dapm_mutex); - list_for_each_entry(w, &dapm->card->widgets, list) { + for_each_card_widgets(dapm->card, w) { if (w->dapm != dapm) continue; if (w->power) { @@ -4800,7 +4867,7 @@ void snd_soc_dapm_shutdown(struct snd_soc_card *card) { struct snd_soc_dapm_context *dapm; - list_for_each_entry(dapm, &card->dapm_list, list) { + for_each_card_dapms(card, dapm) { if (dapm != &card->dapm) { soc_dapm_shutdown_dapm(dapm); if (dapm->bias_level == SND_SOC_BIAS_STANDBY) |