rsum 386 sound/pci/ctxfi/ctamixer.c struct sum **rsum) rsum 393 sound/pci/ctxfi/ctamixer.c *rsum = NULL; rsum 421 sound/pci/ctxfi/ctamixer.c *rsum = sum; rsum 40 sound/pci/ctxfi/ctamixer.h const struct sum_desc *desc, struct sum **rsum);