ALSA: declare snd_kcontrol_new structures as const
Declare snd_kcontrol_new structures as const as they are only passed an
argument to the function snd_ctl_new1. This argument is of type const,
so snd_kcontrol_new structures having this property can be made const.
Done using Coccinelle:
@r disable optional_qualifier@
identifier x;
position p;
@@
static struct snd_kcontrol_new x@p={...};
@ok@
identifier r.x;
position p;
@@
snd_ctl_new1(&x@p,...)
@bad@
position p != {r.p,ok.p};
identifier r.x;
@@
x@p
@depends on !bad disable optional_qualifier@
identifier r.x;
@@
+const
struct snd_kcontrol_new x;
Cross compiled these files:
sound/aoa/codecs/tas.c - powerpc
sound/mips/{hal2.c/sgio2audio.c} - mips
sound/ppc/{awacs.c/beep.c/tumbler.c} - powerpc
sound/soc/sh/siu_dai.c - sh
Could not find an architecture to compile sound/sh/aica.c.
Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Acked-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/firewire/bebob/bebob_maudio.c b/sound/firewire/bebob/bebob_maudio.c
index 07e5abd..d10208f 100644
--- a/sound/firewire/bebob/bebob_maudio.c
+++ b/sound/firewire/bebob/bebob_maudio.c
@@ -396,7 +396,7 @@
return err;
}
-static struct snd_kcontrol_new special_clk_ctl = {
+static const struct snd_kcontrol_new special_clk_ctl = {
.name = "Clock Source",
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
@@ -429,7 +429,7 @@
return 0;
}
-static struct snd_kcontrol_new special_sync_ctl = {
+static const struct snd_kcontrol_new special_sync_ctl = {
.name = "Sync Status",
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.access = SNDRV_CTL_ELEM_ACCESS_READ,
@@ -521,7 +521,7 @@
mutex_unlock(&bebob->mutex);
return err;
}
-static struct snd_kcontrol_new special_dig_in_iface_ctl = {
+static const struct snd_kcontrol_new special_dig_in_iface_ctl = {
.name = "Digital Input Interface",
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
@@ -577,7 +577,7 @@
mutex_unlock(&bebob->mutex);
return err;
}
-static struct snd_kcontrol_new special_dig_out_iface_ctl = {
+static const struct snd_kcontrol_new special_dig_out_iface_ctl = {
.name = "Digital Output Interface",
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,