Avoid using the mc->rreg to identify the 2r type of gain control.
Introduce a variable to track this.
This change is needed to avoid breakage with the upcoming volsw volsw_2r
merger.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
        struct twl6040_output *out = NULL;
        struct soc_mixer_control *mc =
                (struct soc_mixer_control *)kcontrol->private_value;
-       int ret;
+       int ret, type_2r;
 
        /* For HS and HF we shadow the values and only actually write
         * them out when active in order to ensure the amplifier comes on
        switch (mc->reg) {
        case TWL6040_REG_HSGAIN:
                out = &twl6040_priv->headset;
+               type_2r = 0;
                break;
        case TWL6040_REG_HFLGAIN:
                out = &twl6040_priv->handsfree;
+               type_2r = 1;
                break;
        default:
                return -EINVAL;
                return 1;
 
        /* call the appropriate handler depending on the rreg */
-       if (mc->rreg)
+       if (type_2r)
                ret = snd_soc_put_volsw_2r(kcontrol, ucontrol);
        else
                ret = snd_soc_put_volsw(kcontrol, ucontrol);