initial_rd 222 sound/soc/bcm/cygnus-pcm.c u32 initial_rd; initial_rd 232 sound/soc/bcm/cygnus-pcm.c initial_rd = start; initial_rd 233 sound/soc/bcm/cygnus-pcm.c initial_wr = initial_rd ^ BIT(31); initial_rd 237 sound/soc/bcm/cygnus-pcm.c initial_rd = initial_wr; initial_rd 252 sound/soc/bcm/cygnus-pcm.c writel(initial_rd, audio_io + p_rbuf->rdaddr);