ropl4 182 sound/drivers/opl4/opl4_lib.c struct snd_opl3 **ropl3, struct snd_opl4 **ropl4) ropl4 193 sound/drivers/opl4/opl4_lib.c if (ropl4) ropl4 194 sound/drivers/opl4/opl4_lib.c *ropl4 = NULL; ropl4 247 sound/drivers/opl4/opl4_lib.c if (ropl4) ropl4 248 sound/drivers/opl4/opl4_lib.c *ropl4 = opl4;