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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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e195a331c4
Make these const as they are only passed to a const argument of the function snd_pcm_set_ops in the file referencing them. Also, add const to the declaration in the headers. Structures found using Coccinelle and changes done by hand. Signed-off-by: Bhumika Goyal <bhumirks@gmail.com> Reviewed-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
36 lines
1.1 KiB
C
36 lines
1.1 KiB
C
/*
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* Line 6 Linux USB driver
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*
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* Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation, version 2.
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*
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*/
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#ifndef PLAYBACK_H
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#define PLAYBACK_H
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#include <sound/pcm.h>
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#include "driver.h"
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/*
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* When the TonePort is used with jack in full duplex mode and the outputs are
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* not connected, the software monitor produces an ugly noise since everything
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* written to the output buffer (i.e., the input signal) will be repeated in
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* the next period (sounds like a delay effect). As a workaround, the output
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* buffer is cleared after the data have been read, but there must be a better
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* solution. Until one is found, this workaround can be used to fix the
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* problem.
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*/
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#define USE_CLEAR_BUFFER_WORKAROUND 1
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extern const struct snd_pcm_ops snd_line6_playback_ops;
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extern int line6_create_audio_out_urbs(struct snd_line6_pcm *line6pcm);
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extern int line6_submit_audio_out_all_urbs(struct snd_line6_pcm *line6pcm);
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#endif
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