STB6100_VCO
odiv = (regs[STB6100_VCO] & STB6100_VCO_ODIV) >> STB6100_VCO_ODIV_SHIFT;
regs[STB6100_VCO] = 0xe0 | (odiv << STB6100_VCO_ODIV_SHIFT);
regs[STB6100_VCO] = (regs[STB6100_VCO] & ~STB6100_VCO_OSM) | ptr->reg;
rc = stb6100_write_reg(state, STB6100_VCO, regs[STB6100_VCO]);
regs[STB6100_VCO] &= ~STB6100_VCO_OCK; /* VCO fast search */
rc = stb6100_write_reg(state, STB6100_VCO, regs[STB6100_VCO]);
regs[STB6100_VCO] &= ~STB6100_VCO_OSCH; /* vco search disabled */
regs[STB6100_VCO] |= STB6100_VCO_OCK; /* search clock off */
rc = stb6100_write_reg(state, STB6100_VCO, regs[STB6100_VCO]);
[STB6100_VCO] = "VCO",
[STB6100_VCO] = { 0xff, 0x00 },