When the ZxR headphone gain control was added, the ca0132_switch_get
function was not updated, which meant that the changes to the control
state were not saved when entering/exiting alsamixer.
Signed-off-by: Connor McAdams <conmanx360@gmail.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200803002928.8638-1-conmanx360@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
                return 0;
        }
 
+       if (nid == ZXR_HEADPHONE_GAIN) {
+               *valp = spec->zxr_gain_set;
+               return 0;
+       }
+
        return 0;
 }