static bool is_bytcr;
 
 static unsigned long byt_rt5640_quirk = BYT_RT5640_MCLK_EN;
-static unsigned int quirk_override;
-module_param_named(quirk, quirk_override, uint, 0444);
+static int quirk_override = -1;
+module_param_named(quirk, quirk_override, int, 0444);
 MODULE_PARM_DESC(quirk, "Board-specific quirk override");
 
 static void log_quirks(struct device *dev)
        dmi_id = dmi_first_match(byt_rt5640_quirk_table);
        if (dmi_id)
                byt_rt5640_quirk = (unsigned long)dmi_id->driver_data;
-       if (quirk_override) {
+       if (quirk_override != -1) {
                dev_info(&pdev->dev, "Overriding quirk 0x%x => 0x%x\n",
                         (unsigned int)byt_rt5640_quirk, quirk_override);
                byt_rt5640_quirk = quirk_override;