+ /* final error checking */
+ if(c->mixer && !mixer_valid_device(c->api, c->mixer)) {
+ error(0, "invalid mixer device: %s", c->mixer);
+ return -1;
+ }
+ if(c->channel && !mixer_valid_channel(c->api, c->channel)) {
+ error(0, "invalid mixer channel: %s", c->channel);
+ return -1;
+ }