EM28XX_R12_VINENABLE
{EM28XX_R12_VINENABLE, 0x20, 0x20, 0},
EM28XX_R12_VINENABLE,
EM28XX_R12_VINENABLE,
rc = em28xx_write_reg(dev, EM28XX_R12_VINENABLE, 0x27);
em28xx_write_reg(dev, EM28XX_R12_VINENABLE, 0x67);
em28xx_write_reg(dev, EM28XX_R12_VINENABLE, 0x37);
{EM28XX_R12_VINENABLE, 0x27, 0xff, 0},