mcp3911_update
return mcp3911_update(adc, MCP3910_REG_CONFIG0, mask, value, 3);
return mcp3911_update(adc, MCP3911_REG_STATUSCOM, mask, value, 2);
return mcp3911_update(adc, MCP3910_REG_CONFIG0, mask, osr, 3);
return mcp3911_update(adc, MCP3911_REG_CONFIG, mask, osr, 2);
return mcp3911_update(adc, MCP3910_REG_GAIN,
return mcp3911_update(adc, MCP3911_REG_GAIN,
ret = mcp3911_update(adc, MCP3911_REG_GAIN,