IVTV_IRQ_ENC_START_CAP
#define IVTV_IRQ_DMA (IVTV_IRQ_DMA_READ | IVTV_IRQ_ENC_DMA_COMPLETE | IVTV_IRQ_DMA_ERR | IVTV_IRQ_ENC_START_CAP | IVTV_IRQ_ENC_VBI_CAP | IVTV_IRQ_DEC_DATA_REQ | IVTV_IRQ_DEC_VBI_RE_INSERT)
if (combo & IVTV_IRQ_ENC_START_CAP) {
#define IVTV_IRQ_MASK_CAPTURE (IVTV_IRQ_ENC_START_CAP | IVTV_IRQ_ENC_EOS)