Most of snd_kcontrol_new definitions are read-only and passed as-is. Let's declare them as const for further optimization. Constify snd_kcontrol_new items
There should be no functional changes by this patch.
Signed-off-by: Takashi Iwai tiwai@suse.de --- sound/drivers/aloop.c | 2 +- sound/drivers/dummy.c | 2 +- sound/drivers/mts64.c | 14 +++++++------- sound/drivers/opl4/opl4_mixer.c | 2 +- sound/drivers/pcsp/pcsp_mixer.c | 6 +++--- 5 files changed, 13 insertions(+), 13 deletions(-)
diff --git a/sound/drivers/aloop.c b/sound/drivers/aloop.c index 13abb3d0893f..d78a27271d6d 100644 --- a/sound/drivers/aloop.c +++ b/sound/drivers/aloop.c @@ -1496,7 +1496,7 @@ static int loopback_channels_get(struct snd_kcontrol *kcontrol, return 0; }
-static struct snd_kcontrol_new loopback_controls[] = { +static const struct snd_kcontrol_new loopback_controls[] = { { .iface = SNDRV_CTL_ELEM_IFACE_PCM, .name = "PCM Rate Shift 100000", diff --git a/sound/drivers/dummy.c b/sound/drivers/dummy.c index cef5b391cc44..cec682a7b88d 100644 --- a/sound/drivers/dummy.c +++ b/sound/drivers/dummy.c @@ -849,7 +849,7 @@ static int snd_dummy_iobox_put(struct snd_kcontrol *kcontrol, return changed; }
-static struct snd_kcontrol_new snd_dummy_controls[] = { +static const struct snd_kcontrol_new snd_dummy_controls[] = { DUMMY_VOLUME("Master Volume", 0, MIXER_ADDR_MASTER), DUMMY_CAPSRC("Master Capture Switch", 0, MIXER_ADDR_MASTER), DUMMY_VOLUME("Synth Volume", 0, MIXER_ADDR_SYNTH), diff --git a/sound/drivers/mts64.c b/sound/drivers/mts64.c index 44776e1463cb..eeef3c0215e4 100644 --- a/sound/drivers/mts64.c +++ b/sound/drivers/mts64.c @@ -467,7 +467,7 @@ static int snd_mts64_ctl_smpte_switch_put(struct snd_kcontrol* kctl, return changed; }
-static struct snd_kcontrol_new mts64_ctl_smpte_switch = { +static const struct snd_kcontrol_new mts64_ctl_smpte_switch = { .iface = SNDRV_CTL_ELEM_IFACE_RAWMIDI, .name = "SMPTE Playback Switch", .index = 0, @@ -540,7 +540,7 @@ static int snd_mts64_ctl_smpte_time_put(struct snd_kcontrol *kctl, return changed; }
-static struct snd_kcontrol_new mts64_ctl_smpte_time_hours = { +static const struct snd_kcontrol_new mts64_ctl_smpte_time_hours = { .iface = SNDRV_CTL_ELEM_IFACE_RAWMIDI, .name = "SMPTE Time Hours", .index = 0, @@ -551,7 +551,7 @@ static struct snd_kcontrol_new mts64_ctl_smpte_time_hours = { .put = snd_mts64_ctl_smpte_time_put };
-static struct snd_kcontrol_new mts64_ctl_smpte_time_minutes = { +static const struct snd_kcontrol_new mts64_ctl_smpte_time_minutes = { .iface = SNDRV_CTL_ELEM_IFACE_RAWMIDI, .name = "SMPTE Time Minutes", .index = 0, @@ -562,7 +562,7 @@ static struct snd_kcontrol_new mts64_ctl_smpte_time_minutes = { .put = snd_mts64_ctl_smpte_time_put };
-static struct snd_kcontrol_new mts64_ctl_smpte_time_seconds = { +static const struct snd_kcontrol_new mts64_ctl_smpte_time_seconds = { .iface = SNDRV_CTL_ELEM_IFACE_RAWMIDI, .name = "SMPTE Time Seconds", .index = 0, @@ -573,7 +573,7 @@ static struct snd_kcontrol_new mts64_ctl_smpte_time_seconds = { .put = snd_mts64_ctl_smpte_time_put };
-static struct snd_kcontrol_new mts64_ctl_smpte_time_frames = { +static const struct snd_kcontrol_new mts64_ctl_smpte_time_frames = { .iface = SNDRV_CTL_ELEM_IFACE_RAWMIDI, .name = "SMPTE Time Frames", .index = 0, @@ -625,7 +625,7 @@ static int snd_mts64_ctl_smpte_fps_put(struct snd_kcontrol *kctl, return changed; }
-static struct snd_kcontrol_new mts64_ctl_smpte_fps = { +static const struct snd_kcontrol_new mts64_ctl_smpte_fps = { .iface = SNDRV_CTL_ELEM_IFACE_RAWMIDI, .name = "SMPTE Fps", .index = 0, @@ -641,7 +641,7 @@ static int snd_mts64_ctl_create(struct snd_card *card, struct mts64 *mts) { int err, i; - static struct snd_kcontrol_new *control[] = { + static const struct snd_kcontrol_new *control[] = { &mts64_ctl_smpte_switch, &mts64_ctl_smpte_time_hours, &mts64_ctl_smpte_time_minutes, diff --git a/sound/drivers/opl4/opl4_mixer.c b/sound/drivers/opl4/opl4_mixer.c index 7d4b3cc0fb6c..fa1e6eff43ab 100644 --- a/sound/drivers/opl4/opl4_mixer.c +++ b/sound/drivers/opl4/opl4_mixer.c @@ -47,7 +47,7 @@ static int snd_opl4_ctl_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_v return value != old_value; }
-static struct snd_kcontrol_new snd_opl4_controls[] = { +static const struct snd_kcontrol_new snd_opl4_controls[] = { { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "FM Playback Volume", diff --git a/sound/drivers/pcsp/pcsp_mixer.c b/sound/drivers/pcsp/pcsp_mixer.c index be2990451bcd..da33e5b620a7 100644 --- a/sound/drivers/pcsp/pcsp_mixer.c +++ b/sound/drivers/pcsp/pcsp_mixer.c @@ -120,17 +120,17 @@ static int pcsp_pcspkr_put(struct snd_kcontrol *kcontrol, .put = pcsp_##ctl_type##_put, \ }
-static struct snd_kcontrol_new snd_pcsp_controls_pcm[] = { +static const struct snd_kcontrol_new snd_pcsp_controls_pcm[] = { PCSP_MIXER_CONTROL(enable, "Master Playback Switch"), PCSP_MIXER_CONTROL(treble, "BaseFRQ Playback Volume"), };
-static struct snd_kcontrol_new snd_pcsp_controls_spkr[] = { +static const struct snd_kcontrol_new snd_pcsp_controls_spkr[] = { PCSP_MIXER_CONTROL(pcspkr, "Beep Playback Switch"), };
static int snd_pcsp_ctls_add(struct snd_pcsp *chip, - struct snd_kcontrol_new *ctls, int num) + const struct snd_kcontrol_new *ctls, int num) { int i, err; struct snd_card *card = chip->card;