add audio

hc

2023-12-11 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4

 kernel/sound/pci/cs5535audio/cs5535audio_olpc.c
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@@ -1,13 +1,9 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * OLPC XO-1 additional sound features
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  *
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  * Copyright © 2006  Jaya Kumar <jayakumar.lkml@gmail.com>
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  * Copyright © 2007-2008  Andres Salomon <dilinger@debian.org>
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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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 #include <sound/core.h>
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 #include <sound/info.h>
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@@ -115,7 +111,7 @@
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 	return 1;
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 }
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-static struct snd_kcontrol_new olpc_cs5535audio_ctls[] = {
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+static const struct snd_kcontrol_new olpc_cs5535audio_ctls[] = {
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 {
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 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
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 	.name = "DC Mode Enable",