add audio

hc

2023-12-11 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4

 kernel/sound/pci/mixart/mixart_mixer.c
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@@ -1,23 +1,10 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * Driver for Digigram miXart soundcards
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  *
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  * mixer callbacks
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  *
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  * Copyright (c) 2003 by Digigram <alsa@digigram.com>
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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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 #include <linux/time.h>
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@@ -33,7 +20,7 @@
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 #include <sound/tlv.h>
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 #include "mixart_mixer.h"
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-static u32 mixart_analog_level[256] = {
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+static const u32 mixart_analog_level[256] = {
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 	0xc2c00000,		/* [000] -96.0 dB */
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 	0xc2bf0000,		/* [001] -95.5 dB */
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 	0xc2be0000,		/* [002] -95.0 dB */
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@@ -456,7 +443,7 @@
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 	.put =          mixart_audio_sw_put
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 };
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-static u32 mixart_digital_level[256] = {
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+static const u32 mixart_digital_level[256] = {
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 	0x00000000,		/* [000] = 0.00e+000 = mute if <= -109.5dB */
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 	0x366e1c7a,		/* [001] = 3.55e-006 = pow(10.0, 0.05 * -109.0dB) */
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 	0x367c3860,		/* [002] = 3.76e-006 = pow(10.0, 0.05 * -108.5dB) */