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>

1 files changed, 17 insertions, 26 deletions

diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index a4707d0fdf3d..86569044f662 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -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);