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>

1 files changed, 12 insertions, 12 deletions

diff --git a/sound/drivers/vx/vx_mixer.c b/sound/drivers/vx/vx_mixer.c
index be9477e..98a41ac 100644
--- a/sound/drivers/vx/vx_mixer.c
+++ b/sound/drivers/vx/vx_mixer.c
@@ -455,7 +455,7 @@ static int vx_output_level_put(struct snd_kcontrol *kcontrol, struct snd_ctl_ele
 	return 0;
 }
 
-static struct snd_kcontrol_new vx_control_output_level = {
+static const struct snd_kcontrol_new vx_control_output_level = {
 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
 	.access =	(SNDRV_CTL_ELEM_ACCESS_READWRITE |
 			 SNDRV_CTL_ELEM_ACCESS_TLV_READ),
@@ -514,7 +514,7 @@ static int vx_audio_src_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_v
 	return 0;
 }
 
-static struct snd_kcontrol_new vx_control_audio_src = {
+static const struct snd_kcontrol_new vx_control_audio_src = {
 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
 	.name =		"Capture Source",
 	.info =		vx_audio_src_info,
@@ -558,7 +558,7 @@ static int vx_clock_mode_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_
 	return 0;
 }
 
-static struct snd_kcontrol_new vx_control_clock_mode = {
+static const struct snd_kcontrol_new vx_control_clock_mode = {
 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
 	.name =		"Clock Mode",
 	.info =		vx_clock_mode_info,
@@ -717,7 +717,7 @@ static int vx_monitor_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_
 
 static const DECLARE_TLV_DB_SCALE(db_scale_audio_gain, -10975, 25, 0);
 
-static struct snd_kcontrol_new vx_control_audio_gain = {
+static const struct snd_kcontrol_new vx_control_audio_gain = {
 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
 	.access =	(SNDRV_CTL_ELEM_ACCESS_READWRITE |
 			 SNDRV_CTL_ELEM_ACCESS_TLV_READ),
@@ -727,14 +727,14 @@ static struct snd_kcontrol_new vx_control_audio_gain = {
 	.put =          vx_audio_gain_put,
 	.tlv = { .p = db_scale_audio_gain },
 };
-static struct snd_kcontrol_new vx_control_output_switch = {
+static const struct snd_kcontrol_new vx_control_output_switch = {
 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
 	.name =         "PCM Playback Switch",
 	.info =         vx_audio_sw_info,
 	.get =          vx_audio_sw_get,
 	.put =          vx_audio_sw_put
 };
-static struct snd_kcontrol_new vx_control_monitor_gain = {
+static const struct snd_kcontrol_new vx_control_monitor_gain = {
 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
 	.name =         "Monitoring Volume",
 	.access =	(SNDRV_CTL_ELEM_ACCESS_READWRITE |
@@ -744,7 +744,7 @@ static struct snd_kcontrol_new vx_control_monitor_gain = {
 	.put =          vx_audio_monitor_put,
 	.tlv = { .p = db_scale_audio_gain },
 };
-static struct snd_kcontrol_new vx_control_monitor_switch = {
+static const struct snd_kcontrol_new vx_control_monitor_switch = {
 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
 	.name =         "Monitoring Switch",
 	.info =         vx_audio_sw_info,	/* shared */
@@ -805,7 +805,7 @@ static int vx_iec958_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_valu
 	return 0;
 }
 
-static struct snd_kcontrol_new vx_control_iec958_mask = {
+static const struct snd_kcontrol_new vx_control_iec958_mask = {
 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
 	.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK),
@@ -813,7 +813,7 @@ static struct snd_kcontrol_new vx_control_iec958_mask = {
 	.get =		vx_iec958_mask_get,
 };
 
-static struct snd_kcontrol_new vx_control_iec958 = {
+static const struct snd_kcontrol_new vx_control_iec958 = {
 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
 	.name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
 	.info =         vx_iec958_info,
@@ -878,7 +878,7 @@ static int vx_saturation_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_
 	return 0;
 }
 
-static struct snd_kcontrol_new vx_control_vu_meter = {
+static const struct snd_kcontrol_new vx_control_vu_meter = {
 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
 	.access =	SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
 	/* name will be filled later */
@@ -886,7 +886,7 @@ static struct snd_kcontrol_new vx_control_vu_meter = {
 	.get =		vx_vu_meter_get,
 };
 
-static struct snd_kcontrol_new vx_control_peak_meter = {
+static const struct snd_kcontrol_new vx_control_peak_meter = {
 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
 	.access =	SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
 	/* name will be filled later */
@@ -894,7 +894,7 @@ static struct snd_kcontrol_new vx_control_peak_meter = {
 	.get =		vx_peak_meter_get,
 };
 
-static struct snd_kcontrol_new vx_control_saturation = {
+static const struct snd_kcontrol_new vx_control_saturation = {
 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
 	.name =		"Input Saturation",
 	.access =	SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,