aboutsummaryrefslogtreecommitdiff
path: root/sound
diff options
context:
space:
mode:
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/soc-dapm.c19
1 files changed, 14 insertions, 5 deletions
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index a6d73379ab3..28e6e324ccf 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -581,6 +581,19 @@ static int dapm_generic_apply_power(struct snd_soc_dapm_widget *w)
return 0;
}
+/* Generic check to see if a widget should be powered.
+ */
+static int dapm_generic_check_power(struct snd_soc_dapm_widget *w)
+{
+ int in, out;
+
+ in = is_connected_input_ep(w);
+ dapm_clear_walk(w->codec);
+ out = is_connected_output_ep(w);
+ dapm_clear_walk(w->codec);
+ return out != 0 && in != 0;
+}
+
/*
* Scan a single DAPM widget for a complete audio path and update the
* power status appropriately.
@@ -653,11 +666,7 @@ static int dapm_power_widget(struct snd_soc_codec *codec, int event,
}
/* all other widgets */
- in = is_connected_input_ep(w);
- dapm_clear_walk(w->codec);
- out = is_connected_output_ep(w);
- dapm_clear_walk(w->codec);
- power = (out != 0 && in != 0) ? 1 : 0;
+ power = dapm_generic_check_power(w);
power_change = (w->power == power) ? 0 : 1;
w->power = power;