prev_hw_ptr_period 50 include/sound/pcm_oss.h unsigned int prev_hw_ptr_period; prev_hw_ptr_period 1132 sound/core/oss/pcm_oss.c runtime->oss.prev_hw_ptr_period = 0; prev_hw_ptr_period 1555 sound/core/oss/pcm_oss.c runtime->oss.prev_hw_ptr_period = 0; prev_hw_ptr_period 2188 sound/core/oss/pcm_oss.c n = delay - runtime->oss.prev_hw_ptr_period; prev_hw_ptr_period 2192 sound/core/oss/pcm_oss.c runtime->oss.prev_hw_ptr_period = delay; prev_hw_ptr_period 2772 sound/core/oss/pcm_oss.c return runtime->oss.prev_hw_ptr_period != prev_hw_ptr_period 2783 sound/core/oss/pcm_oss.c return runtime->oss.prev_hw_ptr_period !=