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ALSA: line6: make snd_pcm_ops const 

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>
hifive-unleashed-5.1
Bhumika Goyal 2017-09-27 11:49:27 +05:30 committed by Takashi Iwai
parent 729fbfc92a
commit e195a331c4
4 changed files with 4 additions and 4 deletions
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2
sound/usb/line6/capture.c
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@ -248,7 +248,7 @@ static int snd_line6_capture_close(struct snd_pcm_substream *substream)
}
/* capture operators */
struct snd_pcm_ops snd_line6_capture_ops = {
const struct snd_pcm_ops snd_line6_capture_ops = {
.open = snd_line6_capture_open,
.close = snd_line6_capture_close,
.ioctl = snd_pcm_lib_ioctl,

2
sound/usb/line6/capture.h
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@ -17,7 +17,7 @@
#include "driver.h"
#include "pcm.h"
extern struct snd_pcm_ops snd_line6_capture_ops;
extern const struct snd_pcm_ops snd_line6_capture_ops;
extern void line6_capture_copy(struct snd_line6_pcm *line6pcm, char *fbuf,
int fsize);

2
sound/usb/line6/playback.c
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@ -393,7 +393,7 @@ static int snd_line6_playback_close(struct snd_pcm_substream *substream)
}
/* playback operators */
struct snd_pcm_ops snd_line6_playback_ops = {
const struct snd_pcm_ops snd_line6_playback_ops = {
.open = snd_line6_playback_open,
.close = snd_line6_playback_close,
.ioctl = snd_pcm_lib_ioctl,

2
sound/usb/line6/playback.h
View File

@ -27,7 +27,7 @@
*/
#define USE_CLEAR_BUFFER_WORKAROUND 1
extern struct snd_pcm_ops snd_line6_playback_ops;
extern const struct snd_pcm_ops snd_line6_playback_ops;
extern int line6_create_audio_out_urbs(struct snd_line6_pcm *line6pcm);
extern int line6_submit_audio_out_all_urbs(struct snd_line6_pcm *line6pcm);