C++ (Cpp) snd_compr_ioctl_avail Examples

Example #1

File: compress_offload.c Project: 4Fwolf/motorola-hawk-kernel-3.4.67

static long snd_compr_ioctl(struct file *f, unsigned int cmd, unsigned long arg)
{
	struct snd_compr_file *data = f->private_data;
	struct snd_compr_stream *stream;
	int retval = -ENOTTY;

	if (snd_BUG_ON(!data))
		return -EFAULT;
	stream = &data->stream;
	if (snd_BUG_ON(!stream))
		return -EFAULT;
	mutex_lock(&stream->device->lock);
	switch (_IOC_NR(cmd)) {
	case _IOC_NR(SNDRV_COMPRESS_IOCTL_VERSION):
		retval = put_user(SNDRV_COMPRESS_VERSION,
				(int __user *)arg) ? -EFAULT : 0;
		break;
	case _IOC_NR(SNDRV_COMPRESS_GET_CAPS):
		retval = snd_compr_get_caps(stream, arg);
		break;
	case _IOC_NR(SNDRV_COMPRESS_GET_CODEC_CAPS):
		retval = snd_compr_get_codec_caps(stream, arg);
		break;
	case _IOC_NR(SNDRV_COMPRESS_SET_PARAMS):
		retval = snd_compr_set_params(stream, arg);
		break;
	case _IOC_NR(SNDRV_COMPRESS_GET_PARAMS):
		retval = snd_compr_get_params(stream, arg);
		break;
	case _IOC_NR(SNDRV_COMPRESS_TSTAMP):
		retval = snd_compr_tstamp(stream, arg);
		break;
	case _IOC_NR(SNDRV_COMPRESS_AVAIL):
		retval = snd_compr_ioctl_avail(stream, arg);
		break;
	case _IOC_NR(SNDRV_COMPRESS_PAUSE):
		retval = snd_compr_pause(stream);
		break;
	case _IOC_NR(SNDRV_COMPRESS_RESUME):
		retval = snd_compr_resume(stream);
		break;
	case _IOC_NR(SNDRV_COMPRESS_START):
		retval = snd_compr_start(stream);
		break;
	case _IOC_NR(SNDRV_COMPRESS_STOP):
		retval = snd_compr_stop(stream);
		break;
	case _IOC_NR(SNDRV_COMPRESS_DRAIN):
		retval = snd_compr_drain(stream);
		break;
	}
	mutex_unlock(&stream->device->lock);
	return retval;
}

Example #2

File: compress_offload.c Project: LEPT-Development/android_kernel_lge_msm8916-old

static int snd_compress_simple_ioctls(struct file *file,
				struct snd_compr_stream *stream,
				unsigned int cmd, unsigned long arg)
{
	int retval = -ENOTTY;

	switch (_IOC_NR(cmd)) {
	case _IOC_NR(SNDRV_COMPRESS_IOCTL_VERSION):
		retval = put_user(SNDRV_COMPRESS_VERSION,
				(int __user *)arg) ? -EFAULT : 0;
		break;

	case _IOC_NR(SNDRV_COMPRESS_GET_CAPS):
		retval = snd_compr_get_caps(stream, arg);
		break;

	case _IOC_NR(SNDRV_COMPRESS_GET_CODEC_CAPS):
		retval = snd_compr_get_codec_caps(stream, arg);
		break;


	case _IOC_NR(SNDRV_COMPRESS_TSTAMP):
		retval = snd_compr_tstamp(stream, arg);
		break;

	case _IOC_NR(SNDRV_COMPRESS_AVAIL):
		retval = snd_compr_ioctl_avail(stream, arg);
		break;

	/* drain and partial drain need special handling
	 * we need to drop the locks here as the streams would get blocked on
	 * the dsp to get drained. The locking would be handled in respective
	 * function here
	 */
	case _IOC_NR(SNDRV_COMPRESS_DRAIN):
		retval = snd_compr_drain(stream);
		break;

	case _IOC_NR(SNDRV_COMPRESS_PARTIAL_DRAIN):
		retval = snd_compr_partial_drain(stream);
		break;
	}

	return retval;
}

Example #3

File: compress_offload.c Project: jiugui1/kernel-mm-m8

static int snd_compress_simple_ioctls(struct file *file,
				struct snd_compr_stream *stream,
				unsigned int cmd, unsigned long arg)
{
	int retval = -ENOTTY;

	switch (_IOC_NR(cmd)) {
	case _IOC_NR(SNDRV_COMPRESS_IOCTL_VERSION):
		retval = put_user(SNDRV_COMPRESS_VERSION,
				(int __user *)arg) ? -EFAULT : 0;
		break;

	case _IOC_NR(SNDRV_COMPRESS_GET_CAPS):
		retval = snd_compr_get_caps(stream, arg);
		break;

	case _IOC_NR(SNDRV_COMPRESS_GET_CODEC_CAPS):
		retval = snd_compr_get_codec_caps(stream, arg);
		break;


	case _IOC_NR(SNDRV_COMPRESS_TSTAMP):
		retval = snd_compr_tstamp(stream, arg);
		break;

	case _IOC_NR(SNDRV_COMPRESS_AVAIL):
		retval = snd_compr_ioctl_avail(stream, arg);
		break;

	case _IOC_NR(SNDRV_COMPRESS_DRAIN):
		retval = snd_compr_drain(stream);
		break;

	case _IOC_NR(SNDRV_COMPRESS_PARTIAL_DRAIN):
		retval = snd_compr_partial_drain(stream);
		break;
	}

	return retval;
}