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ALSA: mixart: constify snd_kcontrol_new structures

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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;

Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Bhumika Goyal 2017-05-17 17:43:30 +05:30 committed by Takashi Iwai
parent 30b5817e09
commit 665170f731
1 changed files with 3 additions and 3 deletions
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6
sound/pci/mixart/mixart_mixer.c
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@ -404,7 +404,7 @@ static int mixart_analog_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_e
static const DECLARE_TLV_DB_SCALE(db_scale_analog, -9600, 50, 0);
static struct snd_kcontrol_new mixart_control_analog_level = {
static const struct snd_kcontrol_new mixart_control_analog_level = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
SNDRV_CTL_ELEM_ACCESS_TLV_READ),
@ -897,7 +897,7 @@ static int mixart_pcm_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem
static const DECLARE_TLV_DB_SCALE(db_scale_digital, -10950, 50, 0);
static struct snd_kcontrol_new snd_mixart_pcm_vol =
static const struct snd_kcontrol_new snd_mixart_pcm_vol =
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
@ -951,7 +951,7 @@ static int mixart_pcm_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_
return changed;
}
static struct snd_kcontrol_new mixart_control_pcm_switch = {
static const struct snd_kcontrol_new mixart_control_pcm_switch = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
/* name will be filled later */
.count = MIXART_PLAYBACK_STREAMS,