MCP425x_503
[MCP425x_503] = { .wipers = 2, .max_pos = 256, .kohms = 50, },
.data = &mcp4131_cfg[MCP425x_503] },
.data = &mcp4131_cfg[MCP425x_503] },
{ "mcp4251-503", MCP425x_503 },
{ "mcp4252-503", MCP425x_503 },