C++ (Cpp) snd_opl3_clear_patches Examples

Example #1

File: opl3_lib.c Project: asimkadav/fgft

/* static MJR */ int snd_opl3_free(struct snd_opl3 *opl3)
{
	if (snd_BUG_ON(!opl3))
		return -ENXIO;
	if (opl3->private_free)
		opl3->private_free(opl3);
	snd_opl3_clear_patches(opl3);
	release_and_free_resource(opl3->res_l_port);
	release_and_free_resource(opl3->res_r_port);
	kfree(opl3);
	return 0;
}

Example #2

File: opl3_synth.c Project: CSCLOG/beaglebone

/*
 * ioctl for hwdep device:
 */
int snd_opl3_ioctl(struct snd_hwdep * hw, struct file *file,
                   unsigned int cmd, unsigned long arg)
{
    struct snd_opl3 *opl3 = hw->private_data;
    void __user *argp = (void __user *)arg;

    if (snd_BUG_ON(!opl3))
        return -EINVAL;

    switch (cmd) {
    /* get information */
    case SNDRV_DM_FM_IOCTL_INFO:
    {
        struct snd_dm_fm_info info;

        info.fm_mode = opl3->fm_mode;
        info.rhythm = opl3->rhythm;
        if (copy_to_user(argp, &info, sizeof(struct snd_dm_fm_info)))
            return -EFAULT;
        return 0;
    }

    case SNDRV_DM_FM_IOCTL_RESET:
#ifdef CONFIG_SND_OSSEMUL
    case SNDRV_DM_FM_OSS_IOCTL_RESET:
#endif
        snd_opl3_reset(opl3);
        return 0;

    case SNDRV_DM_FM_IOCTL_PLAY_NOTE:
#ifdef CONFIG_SND_OSSEMUL
    case SNDRV_DM_FM_OSS_IOCTL_PLAY_NOTE:
#endif
    {
        struct snd_dm_fm_note note;
        if (copy_from_user(&note, argp, sizeof(struct snd_dm_fm_note)))
            return -EFAULT;
        return snd_opl3_play_note(opl3, &note);
    }

    case SNDRV_DM_FM_IOCTL_SET_VOICE:
#ifdef CONFIG_SND_OSSEMUL
    case SNDRV_DM_FM_OSS_IOCTL_SET_VOICE:
#endif
    {
        struct snd_dm_fm_voice voice;
        if (copy_from_user(&voice, argp, sizeof(struct snd_dm_fm_voice)))
            return -EFAULT;
        return snd_opl3_set_voice(opl3, &voice);
    }

    case SNDRV_DM_FM_IOCTL_SET_PARAMS:
#ifdef CONFIG_SND_OSSEMUL
    case SNDRV_DM_FM_OSS_IOCTL_SET_PARAMS:
#endif
    {
        struct snd_dm_fm_params params;
        if (copy_from_user(&params, argp, sizeof(struct snd_dm_fm_params)))
            return -EFAULT;
        return snd_opl3_set_params(opl3, &params);
    }

    case SNDRV_DM_FM_IOCTL_SET_MODE:
#ifdef CONFIG_SND_OSSEMUL
    case SNDRV_DM_FM_OSS_IOCTL_SET_MODE:
#endif
        return snd_opl3_set_mode(opl3, (int) arg);

    case SNDRV_DM_FM_IOCTL_SET_CONNECTION:
#ifdef CONFIG_SND_OSSEMUL
    case SNDRV_DM_FM_OSS_IOCTL_SET_OPL:
#endif
        return snd_opl3_set_connection(opl3, (int) arg);

#ifdef OPL3_SUPPORT_SYNTH
    case SNDRV_DM_FM_IOCTL_CLEAR_PATCHES:
        snd_opl3_clear_patches(opl3);
        return 0;
#endif

#ifdef CONFIG_SND_DEBUG
    default:
        snd_printk(KERN_WARNING "unknown IOCTL: 0x%x\n", cmd);
#endif
    }
    return -ENOTTY;
}