modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/sound/isa/opti9xx/opti92x-ad1848.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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     card-opti92x-ad1848.c - driver for OPTi 82c92x based soundcards.
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     Copyright (C) 1998-2000 by Massimo Piccioni <dafastidio@libero.it>
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@@ -7,19 +8,6 @@
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8
 
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     Thanks to Maria Grazia Pollarini, Salvatore Vassallo.
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-    This program is free software; you can redistribute it and/or modify
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-    it under the terms of the GNU General Public License as published by
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-    the Free Software Foundation; either version 2 of the License, or
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-    (at your option) any later version.
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-
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-    This program is distributed in the hope that it will be useful,
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-    but WITHOUT ANY WARRANTY; without even the implied warranty of
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-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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-    GNU General Public License for more details.
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-
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-    You should have received a copy of the GNU General Public License
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-    along with this program; if not, write to the Free Software
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-    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
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 */
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12
 
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13
 
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@@ -175,7 +163,7 @@
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 #define DEV_NAME KBUILD_MODNAME
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-static char * snd_opti9xx_names[] = {
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+static const char * const snd_opti9xx_names[] = {
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 	"unknown",
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 	"82C928",	"82C929",
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 	"82C924",	"82C925",
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@@ -185,7 +173,7 @@
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 static int snd_opti9xx_init(struct snd_opti9xx *chip,
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 			    unsigned short hardware)
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 {
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-	static int opti9xx_mc_size[] = {7, 7, 10, 10, 2, 2, 2};
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+	static const int opti9xx_mc_size[] = {7, 7, 10, 10, 2, 2, 2};
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 	chip->hardware = hardware;
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 	strcpy(chip->name, snd_opti9xx_names[hardware]);
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@@ -261,7 +249,7 @@
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 			retval = inb(chip->mc_base + 9);
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 			break;
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 		}
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-		/* Fall through */
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+		fallthrough;
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 	case OPTi9XX_HW_82C928:
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 	case OPTi9XX_HW_82C929:
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@@ -304,7 +292,7 @@
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 			outb(value, chip->mc_base + 9);
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 			break;
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 		}
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-		/* Fall through */
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+		fallthrough;
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 	case OPTi9XX_HW_82C928:
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 	case OPTi9XX_HW_82C929:
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@@ -355,7 +343,7 @@
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 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0xf0, 0xfc);
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 		/* enable wave audio */
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 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6), 0x02, 0x02);
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-		/* Fall through */
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+		fallthrough;
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 	case OPTi9XX_HW_82C925:
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 		/* enable WSS mode */
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@@ -392,7 +380,9 @@
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 	case OPTi9XX_HW_82C931:
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 		/* disable 3D sound (set GPIO1 as output, low) */
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 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(20), 0x04, 0x0c);
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-	case OPTi9XX_HW_82C933: /* FALL THROUGH */
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+		fallthrough;
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+
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+	case OPTi9XX_HW_82C933:
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 		/*
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 		 * The BTC 1817DW has QS1000 wavetable which is connected
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 		 * to the serial digital input of the OPTI931.
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@@ -403,7 +393,9 @@
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 		 * or digital input signal.
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 		 */
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 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(26), 0x01, 0x01);
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-	case OPTi9XX_HW_82C930: /* FALL THROUGH */
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+		fallthrough;
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+
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+	case OPTi9XX_HW_82C930:
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 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6), 0x02, 0x03);
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 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0x00, 0xff);
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 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0x10 |
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@@ -563,7 +555,7 @@
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 static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0);
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 static const DECLARE_TLV_DB_SCALE(db_scale_4bit_12db_max, -3300, 300, 0);
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-static struct snd_kcontrol_new snd_opti93x_controls[] = {
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+static const struct snd_kcontrol_new snd_opti93x_controls[] = {
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 WSS_DOUBLE("Master Playback Switch", 0,
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 		OPTi93X_OUT_LEFT, OPTi93X_OUT_RIGHT, 7, 7, 1, 1),
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 WSS_DOUBLE_TLV("Master Playback Volume", 0,
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@@ -821,7 +813,7 @@
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 static int snd_opti9xx_probe(struct snd_card *card)
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 {
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-	static long possible_ports[] = {0x530, 0xe80, 0xf40, 0x604, -1};
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+	static const long possible_ports[] = {0x530, 0xe80, 0xf40, 0x604, -1};
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 	int error;
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 	int xdma2;
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 	struct snd_opti9xx *chip = card->private_data;
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@@ -882,6 +874,7 @@
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 	}
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 #endif
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 	chip->irq = irq;
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+	card->sync_irq = chip->irq;
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 	strcpy(card->driver, chip->name);
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 	sprintf(card->shortname, "OPTi %s", card->driver);
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 #if defined(CS4231) || defined(OPTi93X)
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@@ -970,16 +963,16 @@
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 {
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 	struct snd_card *card;
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 	int error;
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-	static long possible_mpu_ports[] = {0x300, 0x310, 0x320, 0x330, -1};
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+	static const long possible_mpu_ports[] = {0x300, 0x310, 0x320, 0x330, -1};
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 #ifdef OPTi93X
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-	static int possible_irqs[] = {5, 9, 10, 11, 7, -1};
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+	static const int possible_irqs[] = {5, 9, 10, 11, 7, -1};
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 #else
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-	static int possible_irqs[] = {9, 10, 11, 7, -1};
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+	static const int possible_irqs[] = {9, 10, 11, 7, -1};
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 #endif	/* OPTi93X */
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-	static int possible_mpu_irqs[] = {5, 9, 10, 7, -1};
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-	static int possible_dma1s[] = {3, 1, 0, -1};
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+	static const int possible_mpu_irqs[] = {5, 9, 10, 7, -1};
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+	static const int possible_dma1s[] = {3, 1, 0, -1};
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 #if defined(CS4231) || defined(OPTi93X)
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-	static int possible_dma2s[][2] = {{1,-1}, {0,-1}, {-1,-1}, {0,-1}};
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+	static const int possible_dma2s[][2] = {{1,-1}, {0,-1}, {-1,-1}, {0,-1}};
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 #endif	/* CS4231 || OPTi93X */
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 	if (mpu_port == SNDRV_AUTO_PORT) {