mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-23 21:59:15 +07:00
905e46acd3
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>
89 lines
2.2 KiB
C
89 lines
2.2 KiB
C
/*
|
|
* Helper functions for jack-detection kcontrols
|
|
*
|
|
* Copyright (c) 2011 Takashi Iwai <tiwai@suse.de>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License as published by the Free
|
|
* Software Foundation; either version 2 of the License, or (at your option)
|
|
* any later version.
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/export.h>
|
|
#include <sound/core.h>
|
|
#include <sound/control.h>
|
|
|
|
#define jack_detect_kctl_info snd_ctl_boolean_mono_info
|
|
|
|
static int jack_detect_kctl_get(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
ucontrol->value.integer.value[0] = kcontrol->private_value;
|
|
return 0;
|
|
}
|
|
|
|
static const struct snd_kcontrol_new jack_detect_kctl = {
|
|
/* name is filled later */
|
|
.iface = SNDRV_CTL_ELEM_IFACE_CARD,
|
|
.access = SNDRV_CTL_ELEM_ACCESS_READ,
|
|
.info = jack_detect_kctl_info,
|
|
.get = jack_detect_kctl_get,
|
|
};
|
|
|
|
static int get_available_index(struct snd_card *card, const char *name)
|
|
{
|
|
struct snd_ctl_elem_id sid;
|
|
|
|
memset(&sid, 0, sizeof(sid));
|
|
|
|
sid.index = 0;
|
|
sid.iface = SNDRV_CTL_ELEM_IFACE_CARD;
|
|
strlcpy(sid.name, name, sizeof(sid.name));
|
|
|
|
while (snd_ctl_find_id(card, &sid)) {
|
|
sid.index++;
|
|
/* reset numid; otherwise snd_ctl_find_id() hits this again */
|
|
sid.numid = 0;
|
|
}
|
|
|
|
return sid.index;
|
|
}
|
|
|
|
static void jack_kctl_name_gen(char *name, const char *src_name, int size)
|
|
{
|
|
size_t count = strlen(src_name);
|
|
bool need_cat = true;
|
|
|
|
/* remove redundant " Jack" from src_name */
|
|
if (count >= 5)
|
|
need_cat = strncmp(&src_name[count - 5], " Jack", 5) ? true : false;
|
|
|
|
snprintf(name, size, need_cat ? "%s Jack" : "%s", src_name);
|
|
|
|
}
|
|
|
|
struct snd_kcontrol *
|
|
snd_kctl_jack_new(const char *name, struct snd_card *card)
|
|
{
|
|
struct snd_kcontrol *kctl;
|
|
|
|
kctl = snd_ctl_new1(&jack_detect_kctl, NULL);
|
|
if (!kctl)
|
|
return NULL;
|
|
|
|
jack_kctl_name_gen(kctl->id.name, name, sizeof(kctl->id.name));
|
|
kctl->id.index = get_available_index(card, kctl->id.name);
|
|
kctl->private_value = 0;
|
|
return kctl;
|
|
}
|
|
|
|
void snd_kctl_jack_report(struct snd_card *card,
|
|
struct snd_kcontrol *kctl, bool status)
|
|
{
|
|
if (kctl->private_value == status)
|
|
return;
|
|
kctl->private_value = status;
|
|
snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, &kctl->id);
|
|
}
|