add stmac read mac form eeprom

hc

2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/sound/synth/emux/soundfont.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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  *  Soundfont generic routines.
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  *	It is intended that these should be used by any driver that is willing
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@@ -5,20 +6,6 @@
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  *
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  *  Copyright (C) 1999 Steve Ratcliffe
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  *  Copyright (c) 1999-2000 Takashi Iwai <tiwai@suse.de>
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- *
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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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 /*
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  * Deal with reading in of a soundfont.  Code follows the OSS way
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@@ -764,7 +751,7 @@
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 /* log2_tbl[i] = log2(i+128) * 0x10000 */
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-static int log_tbl[129] = {
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+static const int log_tbl[129] = {
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 	0x70000, 0x702df, 0x705b9, 0x7088e, 0x70b5d, 0x70e26, 0x710eb, 0x713aa,
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 	0x71663, 0x71918, 0x71bc8, 0x71e72, 0x72118, 0x723b9, 0x72655, 0x728ed,
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 	0x72b80, 0x72e0e, 0x73098, 0x7331d, 0x7359e, 0x7381b, 0x73a93, 0x73d08,
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@@ -856,6 +843,8 @@
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 	int r, p, t;
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 	r = (3 - ((rate >> 6) & 3)) * 3;
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 	p = rate & 0x3f;
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+	if (!p)
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+		p = 1;
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 	t = end - start;
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 	if (t < 0) t = -t;
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 	if (13 > r)
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@@ -868,7 +857,7 @@
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 /* convert envelope time parameter to soundfont parameters */
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 /* attack & decay/release time table (msec) */
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-static short attack_time_tbl[128] = {
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+static const short attack_time_tbl[128] = {
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 32767, 32767, 5989, 4235, 2994, 2518, 2117, 1780, 1497, 1373, 1259, 1154, 1058, 970, 890, 816,
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 707, 691, 662, 634, 607, 581, 557, 533, 510, 489, 468, 448, 429, 411, 393, 377,
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 361, 345, 331, 317, 303, 290, 278, 266, 255, 244, 234, 224, 214, 205, 196, 188,
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@@ -879,7 +868,7 @@
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 11, 11, 10, 10, 10, 9, 9, 8, 8, 8, 8, 7, 7, 7, 6, 0,
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 };
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-static short decay_time_tbl[128] = {
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+static const short decay_time_tbl[128] = {
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 32767, 32767, 22614, 15990, 11307, 9508, 7995, 6723, 5653, 5184, 4754, 4359, 3997, 3665, 3361, 3082,
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 2828, 2765, 2648, 2535, 2428, 2325, 2226, 2132, 2042, 1955, 1872, 1793, 1717, 1644, 1574, 1507,
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 1443, 1382, 1324, 1267, 1214, 1162, 1113, 1066, 978, 936, 897, 859, 822, 787, 754, 722,
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@@ -902,7 +891,7 @@
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 /* search an index for specified time from given time table */
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 static int
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-calc_parm_search(int msec, short *table)
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+calc_parm_search(int msec, const short *table)
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 {
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 	int left = 1, right = 127, mid;
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 	while (left < right) {