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2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc 
 kernel/sound/pci/ca0106/ca0106_mixer.c
....@@ -1,3 +1,4 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
12 /*
23  *  Copyright (c) 2004 James Courtier-Dutton <James@superbug.demon.co.uk>
34  *  Driver CA0106 chips. e.g. Sound Blaster Audigy LS and Live 24bit
....@@ -44,21 +45,6 @@
4445  *
4546  *  This code was initially based on code from ALSA's emu10k1x.c which is:
4647  *  Copyright (c) by Francisco Moraes <fmoraes@nc.rr.com>
47
- *
48
- *   This program is free software; you can redistribute it and/or modify
49
- *   it under the terms of the GNU General Public License as published by
50
- *   the Free Software Foundation; either version 2 of the License, or
51
- *   (at your option) any later version.
52
- *
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- *   This program is distributed in the hope that it will be useful,
54
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of
55
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- *   GNU General Public License for more details.
57
- *
58
- *   You should have received a copy of the GNU General Public License
59
- *   along with this program; if not, write to the Free Software
60
- *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
61
- *
6248  */
6349 #include <linux/delay.h>
6450 #include <linux/init.h>
....@@ -564,7 +550,7 @@
564550 	.private_value = ((chid) << 8) | (reg)			\
565551 }
566552 
567
-static struct snd_kcontrol_new snd_ca0106_volume_ctls[] = {
553
+static const struct snd_kcontrol_new snd_ca0106_volume_ctls[] = {
568554 	CA_VOLUME("Analog Front Playback Volume",
569555 		  CONTROL_FRONT_CHANNEL, PLAYBACK_VOLUME2),
570556         CA_VOLUME("Analog Rear Playback Volume",
....@@ -645,7 +631,7 @@
645631 	.private_value = chid					\
646632 }
647633 
648
-static struct snd_kcontrol_new snd_ca0106_volume_i2c_adc_ctls[] = {
634
+static const struct snd_kcontrol_new snd_ca0106_volume_i2c_adc_ctls[] = {
649635         I2C_VOLUME("Phone Capture Volume", 0),
650636         I2C_VOLUME("Mic Capture Volume", 1),
651637         I2C_VOLUME("Line in Capture Volume", 2),
....@@ -668,7 +654,7 @@
668654 };
669655 
670656 static struct snd_kcontrol_new
671
-snd_ca0106_volume_spi_dac_ctl(struct snd_ca0106_details *details,
657
+snd_ca0106_volume_spi_dac_ctl(const struct snd_ca0106_details *details,
672658 			      int channel_id)
673659 {
674660 	struct snd_kcontrol_new spi_switch = {0};
....@@ -753,7 +739,7 @@
753739 static
754740 DECLARE_TLV_DB_SCALE(snd_ca0106_master_db_scale, -6375, 25, 1);
755741 
756
-static char *slave_vols[] = {
742
+static const char * const follower_vols[] = {
757743 	"Analog Front Playback Volume",
758744         "Analog Rear Playback Volume",
759745 	"Analog Center/LFE Playback Volume",
....@@ -766,7 +752,7 @@
766752 	NULL
767753 };
768754 
769
-static char *slave_sws[] = {
755
+static const char * const follower_sws[] = {
770756 	"Analog Front Playback Switch",
771757 	"Analog Rear Playback Switch",
772758 	"Analog Center/LFE Playback Switch",
....@@ -775,13 +761,13 @@
775761 	NULL
776762 };
777763 
778
-static void add_slaves(struct snd_card *card,
779
-				 struct snd_kcontrol *master, char **list)
764
+static void add_followers(struct snd_card *card,
765
+			  struct snd_kcontrol *master, const char * const *list)
780766 {
781767 	for (; *list; list++) {
782
-		struct snd_kcontrol *slave = ctl_find(card, *list);
783
-		if (slave)
784
-			snd_ctl_add_slave(master, slave);
768
+		struct snd_kcontrol *follower = ctl_find(card, *list);
769
+		if (follower)
770
+			snd_ctl_add_follower(master, follower);
785771 	}
786772 }
787773 
....@@ -789,9 +775,9 @@
789775 {
790776 	int err;
791777         struct snd_card *card = emu->card;
792
-	char **c;
778
+	const char * const *c;
793779 	struct snd_kcontrol *vmaster;
794
-	static char *ca0106_remove_ctls[] = {
780
+	static const char * const ca0106_remove_ctls[] = {
795781 		"Master Mono Playback Switch",
796782 		"Master Mono Playback Volume",
797783 		"3D Control - Switch",
....@@ -815,7 +801,7 @@
815801 		"Surround Phase Inversion Playback Switch",
816802 		NULL
817803 	};
818
-	static char *ca0106_rename_ctls[] = {
804
+	static const char * const ca0106_rename_ctls[] = {
819805 		"Master Playback Switch", "Capture Switch",
820806 		"Master Playback Volume", "Capture Volume",
821807 		"Line Playback Switch", "AC97 Line Capture Switch",
....@@ -866,7 +852,7 @@
866852 	err = snd_ctl_add(card, vmaster);
867853 	if (err < 0)
868854 		return err;
869
-	add_slaves(card, vmaster, slave_vols);
855
+	add_followers(card, vmaster, follower_vols);
870856 
871857 	if (emu->details->spi_dac) {
872858 		vmaster = snd_ctl_make_virtual_master("Master Playback Switch",
....@@ -876,7 +862,7 @@
876862 		err = snd_ctl_add(card, vmaster);
877863 		if (err < 0)
878864 			return err;
879
-		add_slaves(card, vmaster, slave_sws);
865
+		add_followers(card, vmaster, follower_sws);
880866 	}
881867 
882868 	strcpy(card->mixername, "CA0106");
....@@ -889,7 +875,7 @@
889875 	unsigned int reg;
890876 };
891877 
892
-static struct ca0106_vol_tbl saved_volumes[NUM_SAVED_VOLUMES] = {
878
+static const struct ca0106_vol_tbl saved_volumes[NUM_SAVED_VOLUMES] = {
893879 	{ CONTROL_FRONT_CHANNEL, PLAYBACK_VOLUME2 },
894880 	{ CONTROL_REAR_CHANNEL, PLAYBACK_VOLUME2 },
895881 	{ CONTROL_CENTER_LFE_CHANNEL, PLAYBACK_VOLUME2 },