diff options
| -rw-r--r-- | sound/soc/soc-dapm.c | 37 |
1 files changed, 25 insertions, 12 deletions
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 499730ab563..57e1c9f7114 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -726,8 +726,15 @@ static int dapm_supply_check_power(struct snd_soc_dapm_widget *w) static int dapm_seq_compare(struct snd_soc_dapm_widget *a, struct snd_soc_dapm_widget *b, - int sort[]) + bool power_up) { + int *sort; + + if (power_up) + sort = dapm_up_seq; + else + sort = dapm_down_seq; + if (sort[a->id] != sort[b->id]) return sort[a->id] - sort[b->id]; if (a->reg != b->reg) @@ -741,12 +748,12 @@ static int dapm_seq_compare(struct snd_soc_dapm_widget *a, /* Insert a widget in order into a DAPM power sequence. */ static void dapm_seq_insert(struct snd_soc_dapm_widget *new_widget, struct list_head *list, - int sort[]) + bool power_up) { struct snd_soc_dapm_widget *w; list_for_each_entry(w, list, power_list) - if (dapm_seq_compare(new_widget, w, sort) < 0) { + if (dapm_seq_compare(new_widget, w, power_up) < 0) { list_add_tail(&new_widget->power_list, &w->power_list); return; } @@ -857,7 +864,7 @@ static void dapm_seq_run_coalesced(struct snd_soc_dapm_context *dapm, * handled. */ static void dapm_seq_run(struct snd_soc_dapm_context *dapm, - struct list_head *list, int event, int sort[]) + struct list_head *list, int event, bool power_up) { struct snd_soc_dapm_widget *w, *n; LIST_HEAD(pending); @@ -865,6 +872,12 @@ static void dapm_seq_run(struct snd_soc_dapm_context *dapm, int cur_reg = SND_SOC_NOPM; struct snd_soc_dapm_context *cur_dapm = NULL; int ret; + int *sort; + + if (power_up) + sort = dapm_up_seq; + else + sort = dapm_down_seq; list_for_each_entry_safe(w, n, list, power_list) { ret = 0; @@ -1002,10 +1015,10 @@ static int dapm_power_widgets(struct snd_soc_dapm_context *dapm, int event) list_for_each_entry(w, &card->widgets, list) { switch (w->id) { case snd_soc_dapm_pre: - dapm_seq_insert(w, &down_list, dapm_down_seq); + dapm_seq_insert(w, &down_list, false); break; case snd_soc_dapm_post: - dapm_seq_insert(w, &up_list, dapm_up_seq); + dapm_seq_insert(w, &up_list, true); break; default: @@ -1025,9 +1038,9 @@ static int dapm_power_widgets(struct snd_soc_dapm_context *dapm, int event) trace_snd_soc_dapm_widget_power(w, power); if (power) - dapm_seq_insert(w, &up_list, dapm_up_seq); + dapm_seq_insert(w, &up_list, true); else - dapm_seq_insert(w, &down_list, dapm_down_seq); + dapm_seq_insert(w, &down_list, false); w->power = power; break; @@ -1086,12 +1099,12 @@ static int dapm_power_widgets(struct snd_soc_dapm_context *dapm, int event) } /* Power down widgets first; try to avoid amplifying pops. */ - dapm_seq_run(dapm, &down_list, event, dapm_down_seq); + dapm_seq_run(dapm, &down_list, event, false); dapm_widget_update(dapm); /* Now power up. */ - dapm_seq_run(dapm, &up_list, event, dapm_up_seq); + dapm_seq_run(dapm, &up_list, event, true); list_for_each_entry(d, &dapm->card->dapm_list, list) { /* If we just powered the last thing off drop to standby bias */ @@ -2372,7 +2385,7 @@ static void soc_dapm_shutdown_codec(struct snd_soc_dapm_context *dapm) if (w->dapm != dapm) continue; if (w->power) { - dapm_seq_insert(w, &down_list, dapm_down_seq); + dapm_seq_insert(w, &down_list, false); w->power = 0; powerdown = 1; } @@ -2383,7 +2396,7 @@ static void soc_dapm_shutdown_codec(struct snd_soc_dapm_context *dapm) */ if (powerdown) { snd_soc_dapm_set_bias_level(NULL, dapm, SND_SOC_BIAS_PREPARE); - dapm_seq_run(dapm, &down_list, 0, dapm_down_seq); + dapm_seq_run(dapm, &down_list, 0, false); snd_soc_dapm_set_bias_level(NULL, dapm, SND_SOC_BIAS_STANDBY); } } |