REG_VREF
{ REG_VSTOP, 0x7a }, { REG_VREF, 0x0a },
ret = ov7670_read(sd, REG_VREF, &v);
return ov7670_write(sd, REG_VREF, v);
ret = ov965x_read(ov965x, REG_VREF, ®);
ret = ov965x_write(ov965x, REG_VREF, reg);
ret = ov965x_read(ov965x, REG_VREF, ®1);
rtsx_pci_write_register(pcr, REG_VREF, PWD_SUSPND_EN, PWD_SUSPND_EN);
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, REG_VREF,
rtsx_pci_write_register(pcr, REG_VREF, PWD_SUSPND_EN, PWD_SUSPND_EN);