C++ (Cpp) vx_sync_audio_source示例

示例#1

文件： vx_mixer.c 项目： 3sOx/asuswrt-merlin

static int vx_audio_src_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct vx_core *chip = snd_kcontrol_chip(kcontrol);
	mutex_lock(&chip->mixer_mutex);
	if (chip->audio_source_target != ucontrol->value.enumerated.item[0]) {
		chip->audio_source_target = ucontrol->value.enumerated.item[0];
		vx_sync_audio_source(chip);
		mutex_unlock(&chip->mixer_mutex);
		return 1;
	}
	mutex_unlock(&chip->mixer_mutex);
	return 0;
}

示例#2

文件： vx_mixer.c 项目： yogesum/linux

static int vx_audio_src_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
    struct vx_core *chip = snd_kcontrol_chip(kcontrol);

    if (chip->type >= VX_TYPE_VXPOCKET) {
        if (ucontrol->value.enumerated.item[0] > 2)
            return -EINVAL;
    } else {
        if (ucontrol->value.enumerated.item[0] > 1)
            return -EINVAL;
    }
    mutex_lock(&chip->mixer_mutex);
    if (chip->audio_source_target != ucontrol->value.enumerated.item[0]) {
        chip->audio_source_target = ucontrol->value.enumerated.item[0];
        vx_sync_audio_source(chip);
        mutex_unlock(&chip->mixer_mutex);
        return 1;
    }
    mutex_unlock(&chip->mixer_mutex);
    return 0;
}