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ASoC: dapm: Convert stream events to use DAI widgets 

This means we don't need to walk through every single widget in the system
for each stream event which is a bit less silly.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
hifive-unleashed-5.1
Mark Brown 2012-02-16 19:43:20 -08:00
parent 888df395eb
commit fe360685f9
1 changed files with 17 additions and 26 deletions
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43
sound/soc/soc-dapm.c
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@ -2946,38 +2946,29 @@ static void soc_dapm_stream_event(struct snd_soc_dapm_context *dapm,
int event)
{
struct snd_soc_dapm_widget *w;
const char *stream_name;
if (stream == SNDRV_PCM_STREAM_PLAYBACK)
stream_name = dai->driver->playback.stream_name;
w = dai->playback_widget;
else
stream_name = dai->driver->capture.stream_name;
w = dai->capture_widget;
if (!stream_name)
if (!w)
return;
list_for_each_entry(w, &dapm->card->widgets, list)
{
if (!w->sname || w->dapm != dapm)
continue;
dev_vdbg(w->dapm->dev, "widget %s\n %s stream %s event %d\n",
w->name, w->sname, stream_name, event);
if (strstr(w->sname, stream_name)) {
dapm_mark_dirty(w, "stream event");
switch(event) {
case SND_SOC_DAPM_STREAM_START:
w->active = 1;
break;
case SND_SOC_DAPM_STREAM_STOP:
w->active = 0;
break;
case SND_SOC_DAPM_STREAM_SUSPEND:
case SND_SOC_DAPM_STREAM_RESUME:
case SND_SOC_DAPM_STREAM_PAUSE_PUSH:
case SND_SOC_DAPM_STREAM_PAUSE_RELEASE:
break;
}
}
dapm_mark_dirty(w, "stream event");
switch (event) {
case SND_SOC_DAPM_STREAM_START:
w->active = 1;
break;
case SND_SOC_DAPM_STREAM_STOP:
w->active = 0;
break;
case SND_SOC_DAPM_STREAM_SUSPEND:
case SND_SOC_DAPM_STREAM_RESUME:
case SND_SOC_DAPM_STREAM_PAUSE_PUSH:
case SND_SOC_DAPM_STREAM_PAUSE_RELEASE:
break;
}
dapm_power_widgets(dapm, event);