ALSA: lola: Remove unused lola_(save|restore)_mixer

lola_restore_mixer() and lola_save_mixer() were added in 2011 by
commit d43f301 ("ALSA: Add the driver for Digigram Lola
PCI-e boards")
but have remain unused.

Remove them.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Link: https://patch.msgid.link/20250122022059.456068-1-linux@treblig.org
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/lola/lola.h

@@ -499,8 +499,6 @@ int lola_init_mixer_widget(struct lola *chip, int nid);
 void lola_free_mixer(struct lola *chip);
 int lola_create_mixer(struct lola *chip);
 int lola_setup_all_analog_gains(struct lola *chip, int dir, bool mute);
-void lola_save_mixer(struct lola *chip);
-void lola_restore_mixer(struct lola *chip);
 int lola_set_src_config(struct lola *chip, unsigned int src_mask, bool update);
 
 /* proc */

sound/pci/lola/lola_mixer.c

@@ -336,49 +336,6 @@ int lola_setup_all_analog_gains(struct lola *chip, int dir, bool mute)
 	return lola_codec_flush(chip);
 }
 
-void lola_save_mixer(struct lola *chip)
-{
-	/* mute analog output */
-	if (chip->mixer.array_saved) {
-		/* store contents of mixer array */
-		memcpy_fromio(chip->mixer.array_saved, chip->mixer.array,
-			      sizeof(*chip->mixer.array));
-	}
-	lola_setup_all_analog_gains(chip, PLAY, true); /* output mute */
-}
-
-void lola_restore_mixer(struct lola *chip)
-{
-	int i;
-
-	/*lola_reset_setups(chip);*/
-	if (chip->mixer.array_saved) {
-		/* restore contents of mixer array */
-		memcpy_toio(chip->mixer.array, chip->mixer.array_saved,
-			    sizeof(*chip->mixer.array));
-		/* inform micro-controller about all restored values
-		 * and ignore return values
-		 */
-		for (i = 0; i < chip->mixer.src_phys_ins; i++)
-			lola_codec_write(chip, chip->mixer.nid,
-					 LOLA_VERB_SET_SOURCE_GAIN,
-					 i, 0);
-		for (i = 0; i < chip->mixer.src_stream_outs; i++)
-			lola_codec_write(chip, chip->mixer.nid,
-					 LOLA_VERB_SET_SOURCE_GAIN,
-					 chip->mixer.src_stream_out_ofs + i, 0);
-		for (i = 0; i < chip->mixer.dest_stream_ins; i++)
-			lola_codec_write(chip, chip->mixer.nid,
-					 LOLA_VERB_SET_DESTINATION_GAIN,
-					 i, 0);
-		for (i = 0; i < chip->mixer.dest_phys_outs; i++)
-			lola_codec_write(chip, chip->mixer.nid,
-					 LOLA_VERB_SET_DESTINATION_GAIN,
-					 chip->mixer.dest_phys_out_ofs + i, 0);
-		lola_codec_flush(chip);
-	}
-}
-
 /*
  */