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ALSA: pci: constify local structures

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For structure types defined in the same file or local header files, find
top-level static structure declarations that have the following
properties:
1. Never reassigned.
2. Address never taken
3. Not passed to a top-level macro call
4. No pointer or array-typed field passed to a function or stored in a
variable.
Declare structures having all of these properties as const.

Done using Coccinelle.
Based on a suggestion by Joe Perches <joe@perches.com>.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Julia Lawall 2016-09-11 15:05:43 +02:00 committed by Takashi Iwai
parent 3d2f4d0c0d
commit 071f1344f4
3 changed files with 7 additions and 7 deletions
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2
sound/pci/ctxfi/ctatc.c
View File

@ -1623,7 +1623,7 @@ static int atc_resume(struct ct_atc *atc)
}
#endif
static struct ct_atc atc_preset = {
static const struct ct_atc atc_preset = {
.map_audio_buffer = ct_map_audio_buffer,
.unmap_audio_buffer = ct_unmap_audio_buffer,
.pcm_playback_prepare = atc_pcm_playback_prepare,

10
sound/pci/hda/patch_ca0132.c
View File

@ -4018,7 +4018,7 @@ static int ca0132_build_controls(struct hda_codec *codec)
/*
* PCM
*/
static struct hda_pcm_stream ca0132_pcm_analog_playback = {
static const struct hda_pcm_stream ca0132_pcm_analog_playback = {
.substreams = 1,
.channels_min = 2,
.channels_max = 6,
@ -4029,7 +4029,7 @@ static struct hda_pcm_stream ca0132_pcm_analog_playback = {
},
};
static struct hda_pcm_stream ca0132_pcm_analog_capture = {
static const struct hda_pcm_stream ca0132_pcm_analog_capture = {
.substreams = 1,
.channels_min = 2,
.channels_max = 2,
@ -4040,7 +4040,7 @@ static struct hda_pcm_stream ca0132_pcm_analog_capture = {
},
};
static struct hda_pcm_stream ca0132_pcm_digital_playback = {
static const struct hda_pcm_stream ca0132_pcm_digital_playback = {
.substreams = 1,
.channels_min = 2,
.channels_max = 2,
@ -4052,7 +4052,7 @@ static struct hda_pcm_stream ca0132_pcm_digital_playback = {
},
};
static struct hda_pcm_stream ca0132_pcm_digital_capture = {
static const struct hda_pcm_stream ca0132_pcm_digital_capture = {
.substreams = 1,
.channels_min = 2,
.channels_max = 2,
@ -4614,7 +4614,7 @@ static void ca0132_free(struct hda_codec *codec)
kfree(codec->spec);
}
static struct hda_codec_ops ca0132_patch_ops = {
static const struct hda_codec_ops ca0132_patch_ops = {
.build_controls = ca0132_build_controls,
.build_pcms = ca0132_build_pcms,
.init = ca0132_init,

2
sound/pci/riptide/riptide.c
View File

@ -644,7 +644,7 @@ static struct lbuspath lbus_play_paths[] = {
.mono = lbus_play_mono3,
},
};
static struct lbuspath lbus_rec_path = {
static const struct lbuspath lbus_rec_path = {
.noconv = lbus_rec_noconv1,
.stereo = lbus_rec_stereo1,
.mono = lbus_rec_mono1,