cx18_v4l2_enc_poll 17 drivers/media/pci/cx18/cx18-fileops.h __poll_t cx18_v4l2_enc_poll(struct file *filp, poll_table *wait); cx18_v4l2_enc_poll 31 drivers/media/pci/cx18/cx18-streams.c .poll = cx18_v4l2_enc_poll,