MCP426x_503
[MCP426x_503] = { .wipers = 2, .max_pos = 256, .kohms = 50, },
.data = &mcp4131_cfg[MCP426x_503] },
.data = &mcp4131_cfg[MCP426x_503] },
{ "mcp4261-503", MCP426x_503 },
{ "mcp4262-503", MCP426x_503 },