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control: add __snd_ctl_add_elem_set() helper

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It simplifies the add_elem_set functions and we need it for UCM.
It's an internal function.

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2021-03-25 20:27:44 +01:00
parent 83e4c1ab77
commit 03cb988179
2 changed files with 33 additions and 49 deletions
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78
src/control/control.c
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@ -436,6 +436,25 @@ static inline int set_user_access(snd_ctl_elem_info_t *info)
return 0;
}
int __snd_ctl_add_elem_set(snd_ctl_t *ctl, snd_ctl_elem_info_t *info,
unsigned int element_count,
unsigned int member_count)
{
if (ctl == NULL || info->id.name[0] == '\0')
return -EINVAL;
if (set_user_access(info))
return -EINVAL;
info->owner = element_count;
info->count = member_count;
if (!validate_element_member_dimension(info))
return -EINVAL;
return ctl->ops->element_add(ctl, info);
}
/**
* \brief Create and add some user-defined control elements of integer type.
* \param ctl A handle of backend module for control interface.
@ -489,23 +508,15 @@ int snd_ctl_add_integer_elem_set(snd_ctl_t *ctl, snd_ctl_elem_info_t *info,
unsigned int numid;
int err;
if (ctl == NULL || info == NULL || info->id.name[0] == '\0')
return -EINVAL;
if (set_user_access(info))
if (info == NULL)
return -EINVAL;
info->type = SND_CTL_ELEM_TYPE_INTEGER;
info->owner = element_count;
info->count = member_count;
info->value.integer.min = min;
info->value.integer.max = max;
info->value.integer.step = step;
if (!validate_element_member_dimension(info))
return -EINVAL;
err = ctl->ops->element_add(ctl, info);
err = __snd_ctl_add_elem_set(ctl, info, element_count, member_count);
if (err < 0)
return err;
numid = snd_ctl_elem_id_get_numid(&info->id);
@ -579,23 +590,15 @@ int snd_ctl_add_integer64_elem_set(snd_ctl_t *ctl, snd_ctl_elem_info_t *info,
unsigned int numid;
int err;
if (ctl == NULL || info == NULL || info->id.name[0] == '\0')
return -EINVAL;
if (set_user_access(info))
if (info == NULL)
return -EINVAL;
info->type = SND_CTL_ELEM_TYPE_INTEGER64;
info->owner = element_count;
info->count = member_count;
info->value.integer64.min = min;
info->value.integer64.max = max;
info->value.integer64.step = step;
if (!validate_element_member_dimension(info))
return -EINVAL;
err = ctl->ops->element_add(ctl, info);
err = __snd_ctl_add_elem_set(ctl, info, element_count, member_count);
if (err < 0)
return err;
numid = snd_ctl_elem_id_get_numid(&info->id);
@ -658,22 +661,14 @@ int snd_ctl_add_boolean_elem_set(snd_ctl_t *ctl, snd_ctl_elem_info_t *info,
unsigned int element_count,
unsigned int member_count)
{
if (ctl == NULL || info == NULL || info->id.name[0] == '\0')
return -EINVAL;
if (set_user_access(info))
if (info == NULL)
return -EINVAL;
info->type = SND_CTL_ELEM_TYPE_BOOLEAN;
info->owner = element_count;
info->count = member_count;
info->value.integer.min = 0;
info->value.integer.max = 1;
if (!validate_element_member_dimension(info))
return -EINVAL;
return ctl->ops->element_add(ctl, info);
return __snd_ctl_add_elem_set(ctl, info, element_count, member_count);
}
/**
@ -729,11 +724,7 @@ int snd_ctl_add_enumerated_elem_set(snd_ctl_t *ctl, snd_ctl_elem_info_t *info,
char *buf, *p;
int err;
if (ctl == NULL || info == NULL || info->id.name[0] == '\0' ||
labels == NULL)
return -EINVAL;
if (set_user_access(info))
if (info == NULL || labels == NULL)
return -EINVAL;
info->type = SND_CTL_ELEM_TYPE_ENUMERATED;
@ -757,10 +748,7 @@ int snd_ctl_add_enumerated_elem_set(snd_ctl_t *ctl, snd_ctl_elem_info_t *info,
p += strlen(labels[i]) + 1;
}
if (!validate_element_member_dimension(info))
return -EINVAL;
err = ctl->ops->element_add(ctl, info);
err = __snd_ctl_add_elem_set(ctl, info, element_count, member_count);
free(buf);
@ -810,20 +798,12 @@ int snd_ctl_add_bytes_elem_set(snd_ctl_t *ctl, snd_ctl_elem_info_t *info,
unsigned int element_count,
unsigned int member_count)
{
if (ctl == NULL || info == NULL || info->id.name[0] == '\0')
return -EINVAL;
if (set_user_access(info))
if (info == NULL)
return -EINVAL;
info->type = SND_CTL_ELEM_TYPE_BYTES;
info->owner = element_count;
info->count = member_count;
if (!validate_element_member_dimension(info))
return -EINVAL;
return ctl->ops->element_add(ctl, info);
return __snd_ctl_add_elem_set(ctl, info, element_count, member_count);
}
/**