ASoC: Support DAPM events for DACs and ADCs

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 10 insertions, 6 deletions

diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 713d12586705..a6d73379ab32 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -598,18 +598,22 @@ static int dapm_power_widget(struct snd_soc_codec *codec, int event,
         if (w->id == snd_soc_dapm_adc && w->active) {
                 in = is_connected_input_ep(w);
                 dapm_clear_walk(w->codec);
-                w->power = (in != 0) ? 1 : 0;
-                dapm_update_bits(w);
-                return 0;
+                power = (in != 0) ? 1 : 0;
+                if (power == w->power)
+                        return 0;
+                w->power = power;
+                return dapm_generic_apply_power(w);
         }
 
         /* active DAC */
         if (w->id == snd_soc_dapm_dac && w->active) {
                 out = is_connected_output_ep(w);
                 dapm_clear_walk(w->codec);
-                w->power = (out != 0) ? 1 : 0;
-                dapm_update_bits(w);
-                return 0;
+                power = (out != 0) ? 1 : 0;
+                if (power == w->power)
+                        return 0;
+                w->power = power;
+                return dapm_generic_apply_power(w);
         }
 
         /* pre and post event widgets */