ppc_md.feature_call(PMAC_FTR_SOUND_CHIP_ENABLE, chip->node, 0, enable); 
if (ppc_md.feature_call) ppc_md.feature_call(PMAC_FTR_SOUND_CHIP_ENABLE, chip->node, 0, enable); 
static void snd_pmac_sound_feature(pmac_t *chip, int enable){	ppc_md.feature_call(PMAC_FTR_SOUND_CHIP_ENABLE, chip->node, 0, enable);}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/4e6a06eec46067df3c30fe1fbc2e1a7cc37b9678/pmac.c/clean/sound/ppc/pmac.c