diff options
| -rw-r--r-- | sound/soc/soc-dapm.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index ffcda7ecd832..8e26c2bc7fdf 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -2194,6 +2194,27 @@ static int snd_soc_dapm_add_path(struct snd_soc_dapm_context *dapm, struct snd_soc_dapm_path *path; int ret; + if (wsink->is_supply && !wsource->is_supply) { + dev_err(dapm->dev, + "Connecting non-supply widget to supply widget is not supported (%s -> %s)\n", + wsource->name, wsink->name); + return -EINVAL; + } + + if (connected && !wsource->is_supply) { + dev_err(dapm->dev, + "connected() callback only supported for supply widgets (%s -> %s)\n", + wsource->name, wsink->name); + return -EINVAL; + } + + if (wsource->is_supply && control) { + dev_err(dapm->dev, + "Conditional paths are not supported for supply widgets (%s -> [%s] -> %s)\n", + wsource->name, control, wsink->name); + return -EINVAL; + } + path = kzalloc(sizeof(struct snd_soc_dapm_path), GFP_KERNEL); if (!path) return -ENOMEM; |