AMD7930_FLAG_PLAYBACK
if (amd->flags & AMD7930_FLAG_PLAYBACK) {
elapsed |= AMD7930_FLAG_PLAYBACK;
if (elapsed & AMD7930_FLAG_PLAYBACK)
return snd_amd7930_trigger(amd, AMD7930_FLAG_PLAYBACK, cmd);
amd->flags |= AMD7930_FLAG_PLAYBACK;
if (!(amd->flags & AMD7930_FLAG_PLAYBACK))