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author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-03-26 14:07:58 +0000 |
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committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-03-26 14:07:58 +0000 |
commit | a36b32402a805033beed752ea85c5ed62586fe35 (patch) | |
tree | 10cfb5c2f9f16cd9c8c9c8d49cad4186f0d65bd2 | |
parent | 23af7b0bba404325755d35bfff64307fa23071e1 (diff) | |
parent | 7f08a89862b96d84c6dfe6c242eb010084e51d3b (diff) | |
download | linux-a36b32402a805033beed752ea85c5ed62586fe35.tar.bz2 |
Merge remote-tracking branch 'asoc/fix/dapm' into asoc-next
-rw-r--r-- | include/sound/soc-dapm.h | 1 | ||||
-rw-r--r-- | sound/soc/soc-dapm.c | 14 |
2 files changed, 15 insertions, 0 deletions
diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h index e1ef63d4a5c4..44a30b108683 100644 --- a/include/sound/soc-dapm.h +++ b/include/sound/soc-dapm.h @@ -488,6 +488,7 @@ struct snd_soc_dapm_path { /* status */ u32 connect:1; /* source and sink widgets are connected */ u32 walked:1; /* path has been walked */ + u32 walking:1; /* path is in the process of being walked */ u32 weak:1; /* path ignored for power management */ int (*connected)(struct snd_soc_dapm_widget *source, diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 1d6a9b3ceb27..d6d9ba2e6916 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -831,6 +831,9 @@ static int is_connected_output_ep(struct snd_soc_dapm_widget *widget, if (path->weak) continue; + if (path->walking) + return 1; + if (path->walked) continue; @@ -838,6 +841,7 @@ static int is_connected_output_ep(struct snd_soc_dapm_widget *widget, if (path->sink && path->connect) { path->walked = 1; + path->walking = 1; /* do we need to add this widget to the list ? */ if (list) { @@ -847,11 +851,14 @@ static int is_connected_output_ep(struct snd_soc_dapm_widget *widget, dev_err(widget->dapm->dev, "ASoC: could not add widget %s\n", widget->name); + path->walking = 0; return con; } } con += is_connected_output_ep(path->sink, list); + + path->walking = 0; } } @@ -931,6 +938,9 @@ static int is_connected_input_ep(struct snd_soc_dapm_widget *widget, if (path->weak) continue; + if (path->walking) + return 1; + if (path->walked) continue; @@ -938,6 +948,7 @@ static int is_connected_input_ep(struct snd_soc_dapm_widget *widget, if (path->source && path->connect) { path->walked = 1; + path->walking = 1; /* do we need to add this widget to the list ? */ if (list) { @@ -947,11 +958,14 @@ static int is_connected_input_ep(struct snd_soc_dapm_widget *widget, dev_err(widget->dapm->dev, "ASoC: could not add widget %s\n", widget->name); + path->walking = 0; return con; } } con += is_connected_input_ep(path->source, list); + + path->walking = 0; } } |