ALSA: hda/ca0132 - Remove input select enum for ZxR

This patch removes the input select control for the ZxR, as it only has
one input option, rear microphone.

Signed-off-by: Connor McAdams <[e-mail]>
Reviewed-by: Takashi Sakamoto <[e-mail]>
Signed-off-by: Takashi Iwai <[e-mail]>

sound/pci/hda/patch_ca0132.c

···
 	 */
 	if (spec->use_alt_functions) {
 		ca0132_alt_add_output_enum(codec);
-		ca0132_alt_add_input_enum(codec);
 		ca0132_alt_add_mic_boost_enum(codec);
+		/*
+		 * ZxR only has microphone input, there is no front panel
+		 * header on the card, and aux-in is handled by the DBPro board.
+		 */
+		if (spec->quirk != QUIRK_ZXR)
+			ca0132_alt_add_input_enum(codec);
 	}
 
 	if (spec->quirk == QUIRK_AE5) {
···
 	spec->voicefx_val = 0;
 	spec->effects_switch[PLAY_ENHANCEMENT - EFFECT_START_NID] = 1;
 	spec->effects_switch[CRYSTAL_VOICE - EFFECT_START_NID] = 0;
+
+	/*
+	 * The ZxR doesn't have a front panel header, and it's line-in is on
+	 * the daughter board. So, there is no input enum control, and we need
+	 * to make sure that spec->in_enum_val is set properly.
+	 */
+	if (spec->quirk == QUIRK_ZXR)
+		spec->in_enum_val = REAR_MIC;
 
 #ifdef ENABLE_TUNING_CONTROLS
 	ca0132_init_tuning_defaults(codec);