if (!devc->buffersize)
beaglelogic_get_buffersize(devc);
devc->sample_buf = mmap(NULL, devc->buffersize,
PROT_READ, MAP_SHARED, devc->fd, 0);
if (!devc->buffersize)
beaglelogic_get_buffersize(devc);
devc->sample_buf = mmap(NULL, devc->buffersize,
PROT_READ, MAP_SHARED, devc->fd, 0);