diff options
| -rw-r--r-- | include/sound/soc-dapm.h | 2 | ||||
| -rw-r--r-- | sound/soc/soc-dapm.c | 60 |
2 files changed, 47 insertions, 15 deletions
diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h index e2853daf802c..bfefc16137ea 100644 --- a/include/sound/soc-dapm.h +++ b/include/sound/soc-dapm.h @@ -495,6 +495,8 @@ struct snd_soc_dapm_widget { /* used during DAPM updates */ struct list_head power_list; struct list_head dirty; + int inputs; + int outputs; }; struct snd_soc_dapm_update { diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 22fb7355b134..258326b031cf 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -665,6 +665,9 @@ static int is_connected_output_ep(struct snd_soc_dapm_widget *widget) struct snd_soc_dapm_path *path; int con = 0; + if (widget->outputs >= 0) + return widget->outputs; + DAPM_UPDATE_STAT(widget, path_checks); if (widget->id == snd_soc_dapm_supply) @@ -673,21 +676,29 @@ static int is_connected_output_ep(struct snd_soc_dapm_widget *widget) switch (widget->id) { case snd_soc_dapm_adc: case snd_soc_dapm_aif_out: - if (widget->active) - return snd_soc_dapm_suspend_check(widget); + if (widget->active) { + widget->outputs = snd_soc_dapm_suspend_check(widget); + return widget->outputs; + } default: break; } if (widget->connected) { /* connected pin ? */ - if (widget->id == snd_soc_dapm_output && !widget->ext) - return snd_soc_dapm_suspend_check(widget); + if (widget->id == snd_soc_dapm_output && !widget->ext) { + widget->outputs = snd_soc_dapm_suspend_check(widget); + return widget->outputs; + } /* connected jack or spk ? */ - if (widget->id == snd_soc_dapm_hp || widget->id == snd_soc_dapm_spk || - (widget->id == snd_soc_dapm_line && !list_empty(&widget->sources))) - return snd_soc_dapm_suspend_check(widget); + if (widget->id == snd_soc_dapm_hp || + widget->id == snd_soc_dapm_spk || + (widget->id == snd_soc_dapm_line && + !list_empty(&widget->sources))) { + widget->outputs = snd_soc_dapm_suspend_check(widget); + return widget->outputs; + } } list_for_each_entry(path, &widget->sinks, list_source) { @@ -705,6 +716,8 @@ static int is_connected_output_ep(struct snd_soc_dapm_widget *widget) } } + widget->outputs = con; + return con; } @@ -717,6 +730,9 @@ static int is_connected_input_ep(struct snd_soc_dapm_widget *widget) struct snd_soc_dapm_path *path; int con = 0; + if (widget->inputs >= 0) + return widget->inputs; + DAPM_UPDATE_STAT(widget, path_checks); if (widget->id == snd_soc_dapm_supply) @@ -726,25 +742,35 @@ static int is_connected_input_ep(struct snd_soc_dapm_widget *widget) switch (widget->id) { case snd_soc_dapm_dac: case snd_soc_dapm_aif_in: - if (widget->active) - return snd_soc_dapm_suspend_check(widget); + if (widget->active) { + widget->inputs = snd_soc_dapm_suspend_check(widget); + return widget->inputs; + } default: break; } if (widget->connected) { /* connected pin ? */ - if (widget->id == snd_soc_dapm_input && !widget->ext) - return snd_soc_dapm_suspend_check(widget); + if (widget->id == snd_soc_dapm_input && !widget->ext) { + widget->inputs = snd_soc_dapm_suspend_check(widget); + return widget->inputs; + } /* connected VMID/Bias for lower pops */ - if (widget->id == snd_soc_dapm_vmid) - return snd_soc_dapm_suspend_check(widget); + if (widget->id == snd_soc_dapm_vmid) { + widget->inputs = snd_soc_dapm_suspend_check(widget); + return widget->inputs; + } /* connected jack ? */ if (widget->id == snd_soc_dapm_mic || - (widget->id == snd_soc_dapm_line && !list_empty(&widget->sinks))) - return snd_soc_dapm_suspend_check(widget); + (widget->id == snd_soc_dapm_line && + !list_empty(&widget->sinks))) { + widget->inputs = snd_soc_dapm_suspend_check(widget); + return widget->inputs; + } + } list_for_each_entry(path, &widget->sources, list_sink) { @@ -762,6 +788,8 @@ static int is_connected_input_ep(struct snd_soc_dapm_widget *widget) } } + widget->inputs = con; + return con; } @@ -1335,6 +1363,8 @@ static int dapm_power_widgets(struct snd_soc_dapm_context *dapm, int event) list_for_each_entry(w, &card->widgets, list) { w->power_checked = false; + w->inputs = -1; + w->outputs = -1; } /* Check which widgets we need to power and store them in |